./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/TerminatorRec02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/TerminatorRec02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash 744c3d26555bbd53a7a0d9e7c64efe010ba06d0f67ec9ca21eb74ed1148222d3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:32:18,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:32:18,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:32:18,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:32:18,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:32:18,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:32:18,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:32:18,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:32:18,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:32:18,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:32:18,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:32:18,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:32:18,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:32:18,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:32:18,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:32:18,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:32:18,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:32:18,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:32:18,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:32:18,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:32:18,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:32:18,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:32:18,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:32:18,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:32:18,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:32:18,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:32:18,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:32:18,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:32:18,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:32:18,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:32:18,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:32:18,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:32:18,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:32:18,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:32:18,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:32:18,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:32:18,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:32:18,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:32:18,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:32:18,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:32:18,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:32:18,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 22:32:19,022 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:32:19,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:32:19,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:32:19,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:32:19,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:32:19,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:32:19,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:32:19,025 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:32:19,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:32:19,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:32:19,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:32:19,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:32:19,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:32:19,026 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 22:32:19,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:32:19,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:32:19,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:32:19,027 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:32:19,028 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:32:19,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:32:19,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:32:19,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:32:19,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:32:19,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:32:19,029 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:32:19,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:32:19,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:32:19,030 INFO L138 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_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 744c3d26555bbd53a7a0d9e7c64efe010ba06d0f67ec9ca21eb74ed1148222d3 [2021-11-13 22:32:19,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:32:19,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:32:19,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:32:19,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:32:19,350 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:32:19,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-numeric/TerminatorRec02.c [2021-11-13 22:32:19,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/data/685a3b54c/32fd69516df242efbe10b4386c693ffe/FLAG638071227 [2021-11-13 22:32:19,904 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:32:19,911 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/sv-benchmarks/c/termination-numeric/TerminatorRec02.c [2021-11-13 22:32:19,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/data/685a3b54c/32fd69516df242efbe10b4386c693ffe/FLAG638071227 [2021-11-13 22:32:20,271 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/data/685a3b54c/32fd69516df242efbe10b4386c693ffe [2021-11-13 22:32:20,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:32:20,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:32:20,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:32:20,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:32:20,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:32:20,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb09874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20, skipping insertion in model container [2021-11-13 22:32:20,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:32:20,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:32:20,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:32:20,543 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:32:20,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:32:20,576 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:32:20,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20 WrapperNode [2021-11-13 22:32:20,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:32:20,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:32:20,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:32:20,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:32:20,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:32:20,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:32:20,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:32:20,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:32:20,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:32:20,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:32:20,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:32:20,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:32:20,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:32:20,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:32:20,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:32:20,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54867b12-2ac0-4154-a3ff-b943c3f485b3/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:32:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure fact [2021-11-13 22:32:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure fact [2021-11-13 22:32:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:32:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:32:20,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:32:20,892 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 22:32:20,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:20 BoogieIcfgContainer [2021-11-13 22:32:20,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:32:20,896 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:32:20,896 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:32:20,907 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:32:20,907 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:20" (1/1) ... [2021-11-13 22:32:20,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:32:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:20,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-11-13 22:32:20,977 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-13 22:32:20,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:32:20,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:20,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:21,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:21,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 28 transitions. [2021-11-13 22:32:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-11-13 22:32:21,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:32:21,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:21,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 27 transitions. [2021-11-13 22:32:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-13 22:32:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:32:21,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:21,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:21,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 22 transitions. [2021-11-13 22:32:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-13 22:32:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:32:21,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:21,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:21,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 22:32:21,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:22,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 29 transitions. [2021-11-13 22:32:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-13 22:32:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:32:22,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:22,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:22,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 22:32:22,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 31 transitions. [2021-11-13 22:32:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2021-11-13 22:32:22,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:32:22,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:22,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:22,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 22:32:22,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:32:23,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 36 transitions. [2021-11-13 22:32:23,006 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-11-13 22:32:23,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:32:23,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:23,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:23,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 22:32:23,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:32:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:23,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 36 transitions. [2021-11-13 22:32:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-11-13 22:32:23,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:32:23,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:23,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:23,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 22:32:23,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:32:23,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:23,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 36 transitions. [2021-11-13 22:32:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-11-13 22:32:23,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:32:23,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:23,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:23,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 22:32:23,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:32:23,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:23,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 36 transitions. [2021-11-13 22:32:23,528 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-11-13 22:32:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:32:23,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:23,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:23,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 22:32:23,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:23,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:32:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 33 transitions. [2021-11-13 22:32:23,659 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-11-13 22:32:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:23,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:23,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:23,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:23,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:25,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 47 transitions. [2021-11-13 22:32:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2021-11-13 22:32:25,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:25,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:25,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:25,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:25,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 49 transitions. [2021-11-13 22:32:25,592 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-11-13 22:32:25,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:25,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:25,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:25,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:25,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:27,266 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:27,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:27,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:27,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:27,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:27,428 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:27,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:27,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:27,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:27,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:27,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:27,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:27,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:27,759 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:27,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:27,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:27,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:27,908 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:27,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:27,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:27,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:28,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:28,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:28,285 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:28,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:28,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:28,465 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:28,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:28,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:28,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:28,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:28,839 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:28,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:28,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:28,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:28,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:29,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:29,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:29,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:29,216 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:29,228 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:29,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:29,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:29,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:29,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:29,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 22:32:29,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:30,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:30,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:30,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:30,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:30,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:30,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:30,773 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:30,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:30,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:30,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:30,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:30,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:30,929 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:30,946 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:30,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:30,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:30,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:30,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:31,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:31,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:31,120 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:31,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:31,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:31,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:31,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:31,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:31,317 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:31,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:31,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:31,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:31,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:31,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:31,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:31,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:31,494 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:31,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:31,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:31,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:31,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:31,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:31,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:31,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:31,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:31,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:31,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:31,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:31,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:31,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:31,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:31,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:31,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:31,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:31,996 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:31,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:31,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:31,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:32,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:32,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:32,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:32,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:32,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:32,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:32,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:32,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:32,353 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:32,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:32,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:32,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:32,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:32,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:32,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:32,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:32,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:32,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:32,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:32,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:32,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:32,637 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:32,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:32,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:32,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:32,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:32,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:32,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:32,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:32,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:32,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:32,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:32,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:32,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:32,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:32,934 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:32,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:32,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:32,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:32,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:32,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:33,109 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:33,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:33,119 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:33,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:33,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:33,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:33,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:33,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:33,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:33,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:33,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:33,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:33,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:33,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:33,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:33,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:33,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:33,618 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:33,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:33,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:33,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:33,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:33,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:33,793 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:33,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:33,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:33,805 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:33,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:33,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:33,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:33,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:33,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:34,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:34,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:34,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:34,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:34,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:34,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:34,799 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:34,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:34,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:34,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:34,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:34,965 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:34,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:34,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:34,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:34,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:34,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:34,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:35,105 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:35,116 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:35,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:35,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:35,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:35,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:35,242 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 55 transitions. [2021-11-13 22:32:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-13 22:32:35,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:35,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:35,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:35,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:35,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:36,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:36,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:36,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:36,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:36,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:36,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:36,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:36,924 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:36,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:36,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:36,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:36,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:37,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:37,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:37,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:37,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:37,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:37,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:37,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:37,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:37,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:37,449 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:37,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:37,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:37,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:37,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 22:32:37,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:32:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:37,872 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:37,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:37,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:37,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:37,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:37,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:38,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:38,030 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:38,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:38,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:38,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:38,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:38,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:38,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:38,182 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:38,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:38,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:38,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:38,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:38,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:38,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:38,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:38,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:38,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:38,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:32:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:38,622 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:38,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:38,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:38,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:38,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:38,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:38,801 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:38,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:38,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:38,810 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:38,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:38,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:38,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:38,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:38,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:38,974 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:38,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:38,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:39,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:39,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:39,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:39,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:39,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:39,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:39,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:39,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:39,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:39,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:39,306 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:39,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:39,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:39,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:39,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:39,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:39,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:39,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:39,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:39,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:39,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:39,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:39,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:39,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:39,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:39,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:39,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:39,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:39,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:39,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:39,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:40,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:40,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:40,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:40,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:40,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:40,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:40,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:40,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:40,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:40,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:40,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:40,308 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:40,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:40,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:40,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:40,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:40,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:40,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:40,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:40,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:40,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:40,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:40,605 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:40,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:40,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:40,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:40,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:40,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:40,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:40,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:40,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:40,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:40,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:40,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:40,916 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:40,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:40,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:40,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:40,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 22:32:40,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:41,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:41,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:41,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:41,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:41,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:42,257 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:42,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:42,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:42,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:42,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:42,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:42,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:42,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:42,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:42,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:42,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:42,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:42,577 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:42,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:42,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:42,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:42,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:42,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:42,751 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:42,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:42,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:42,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:42,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:42,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:42,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:42,913 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:42,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:42,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:42,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:42,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:43,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:43,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:43,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:43,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:43,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:43,267 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:43,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:43,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:43,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:43,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:43,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:43,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:43,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:43,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:43,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:43,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 22:32:43,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:32:43,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:43,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:43,776 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:43,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:43,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:43,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:43,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:43,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:43,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:43,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:44,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:44,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:44,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:44,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:44,130 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:44,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:44,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:44,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:44,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:44,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:44,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:44,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:44,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:44,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:44,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:44,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:44,503 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:44,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:44,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:44,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:44,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 22:32:44,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:32:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:44,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:44,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:45,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:45,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 22:32:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:45,255 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:45,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:45,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:45,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:45,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:45,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:45,422 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:45,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:45,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:45,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:45,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:45,587 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:45,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:45,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:45,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:45,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:45,766 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:45,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:45,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:45,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:45,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:45,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:45,905 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:45,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:45,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:45,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:45,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 22:32:45,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:46,118 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:46,289 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:46,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:46,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:46,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 22:32:46,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:46,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:46,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:46,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:46,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:46,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:47,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:47,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:47,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:47,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:47,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:32:47,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:47,247 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:47,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:47,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:47,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:47,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:47,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:47,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:47,666 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:47,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:47,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:47,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:47,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:32:47,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:47,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:47,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:47,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:47,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:32:47,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:32:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:48,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:48,082 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:48,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:48,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:48,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:48,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:48,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:48,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:48,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:48,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:48,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:49,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:49,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:49,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:49,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:49,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:49,295 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:49,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:49,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:49,508 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:49,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:49,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:49,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:49,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:49,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:50,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:50,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:50,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:50,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:50,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:50,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:50,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:50,470 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:50,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:50,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:50,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:50,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:50,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:50,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:50,962 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:50,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:50,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:50,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:50,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:51,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:51,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:51,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:51,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:51,723 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:51,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:51,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:51,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:51,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:52,223 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:52,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:52,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:52,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:52,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:52,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:52,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:52,926 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:52,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:52,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:52,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:52,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:52,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:53,347 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:53,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:53,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:53,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:53,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:53,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:53,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:53,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:53,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:53,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:53,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:54,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:54,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:54,408 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:54,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:54,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:54,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:54,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:54,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:54,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:54,887 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:54,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:54,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:54,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:54,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:54,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:55,441 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:55,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:55,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:55,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:55,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:55,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:55,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:55,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:55,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:55,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:56,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:56,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:56,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:56,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:56,748 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:57,030 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:57,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:57,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:57,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:57,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:57,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:57,307 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:57,529 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:57,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:57,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:57,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:57,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:57,820 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:32:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:58,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:58,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:58,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:58,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:58,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:58,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:58,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:58,587 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:58,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:58,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:58,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:58,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:58,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:59,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:59,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:59,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:59,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:32:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:59,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:32:59,549 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:32:59,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:32:59,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:59,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:59,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:32:59,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:32:59,897 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:00,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:00,187 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:00,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:00,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:00,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:00,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:00,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:00,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:00,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:00,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:00,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:00,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:01,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:01,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:01,270 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:01,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:01,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:01,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:01,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:01,525 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:01,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:01,732 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:01,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:01,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:01,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:01,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:01,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:02,209 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:02,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:02,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:02,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:02,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:02,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:02,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:02,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:02,641 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:02,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:02,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:02,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:02,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:02,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:03,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:03,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:03,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:03,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:03,505 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:03,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:03,766 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:03,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:03,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:03,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:03,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:04,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:04,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:04,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:04,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:04,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:04,686 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:04,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:04,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:04,895 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:04,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:04,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:04,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:04,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:05,142 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:05,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:05,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:05,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:05,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:05,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:05,920 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:05,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:05,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:05,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:05,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:06,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:06,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:06,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:06,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:06,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:06,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:07,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:07,013 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:07,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:07,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:07,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:07,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:07,574 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:07,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:07,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:07,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:07,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:08,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:08,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:08,101 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:08,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:08,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:08,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:08,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:08,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:08,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:08,658 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:08,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:08,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:08,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:08,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:08,956 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:09,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:09,209 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:09,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:09,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:09,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:09,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:09,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:09,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:09,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:09,699 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:09,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:09,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:09,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:09,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:10,234 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:10,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:10,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:10,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:10,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:10,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:10,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:10,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:10,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:10,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:10,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:10,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:11,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:11,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:11,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:11,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:11,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:11,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:11,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:11,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:11,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:12,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:12,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:12,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:12,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:12,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:12,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:12,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:12,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:12,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:12,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:12,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:13,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:13,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:13,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:13,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:13,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:13,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:13,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:13,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:13,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:13,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:14,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:14,539 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:14,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:14,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:14,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:14,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:14,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:15,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:15,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:15,081 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:15,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:15,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:15,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:15,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:15,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:15,357 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:15,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:15,577 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:15,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:15,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:15,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:15,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:15,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:16,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:16,148 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:16,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:16,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:16,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:16,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:16,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:16,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:16,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:16,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:16,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:17,027 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:17,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:17,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:17,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:17,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:17,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:17,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:17,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:17,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:17,883 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:17,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:17,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:17,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:17,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:17,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:18,500 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:18,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:18,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:18,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:18,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:18,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:19,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:19,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:19,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:19,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:19,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:19,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:19,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:19,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:19,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:19,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:19,886 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:20,142 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:20,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:20,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:20,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:20,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:20,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:20,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:20,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:20,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:20,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:20,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:21,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:21,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:21,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:21,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:21,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:21,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:21,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:21,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:21,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:22,380 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:22,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:22,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:22,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:22,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:22,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:22,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:22,860 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:22,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:22,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:22,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:22,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:22,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:23,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:23,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:23,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:23,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:23,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:23,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:23,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:23,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:23,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:23,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:23,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:23,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:24,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:24,310 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:24,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:24,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:24,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:24,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:24,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:24,607 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:24,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:24,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:24,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:24,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:25,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:25,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:25,304 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:25,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:25,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:25,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:25,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:25,821 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:25,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:25,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:25,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:25,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:26,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:26,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:26,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:26,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:26,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:26,716 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:26,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:26,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:26,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:26,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:26,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:26,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:26,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:27,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:27,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:27,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:27,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:28,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:28,146 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:28,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:28,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:28,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:28,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:28,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:28,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:28,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:28,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:28,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:29,107 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:29,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:29,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:29,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:29,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:29,732 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:30,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:30,014 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:30,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:30,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:30,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:30,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:30,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:30,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:30,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:30,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:30,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:31,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:31,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:31,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:31,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:31,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:31,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:31,647 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:31,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:31,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:31,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:31,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:31,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:31,950 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:32,242 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:32,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:32,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:32,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:32,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:32,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:32,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:32,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:32,886 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:32,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:32,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:32,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:32,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:33,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:33,486 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:33,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:33,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:33,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:33,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:33,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:33,779 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:34,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:34,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:34,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:34,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:34,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:34,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:34,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:34,604 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:34,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:34,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:34,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:34,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:34,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:35,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:35,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:35,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:35,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:35,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:35,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:35,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:35,721 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:35,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:35,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:35,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:35,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:35,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:36,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:36,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:36,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:36,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:36,611 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:36,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:36,926 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:36,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:36,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:36,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:36,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:36,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:37,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:37,481 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:37,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:37,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:37,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:37,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:37,779 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:38,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:38,048 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:38,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:38,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:38,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:38,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:38,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:38,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:38,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:38,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:38,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:39,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:39,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:39,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:39,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:39,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:39,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:39,492 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:39,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:39,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:39,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:39,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:39,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:40,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:40,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:40,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:40,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:40,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:40,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:41,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:41,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:41,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:41,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:41,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:41,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:41,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:41,866 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:41,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:41,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:41,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:41,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:42,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:42,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:42,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:42,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:43,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:43,121 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:43,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:43,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:43,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:43,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:43,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:43,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:43,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:43,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:43,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:44,000 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:44,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:44,294 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:44,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:44,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:44,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:44,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:44,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:44,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:44,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:44,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:44,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:44,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:44,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:45,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:45,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:45,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:45,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:45,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:45,933 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:46,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:46,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:46,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:46,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:46,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:46,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:46,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:46,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:46,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:46,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:46,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:46,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:46,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:47,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:47,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:47,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:47,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:47,852 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:48,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:48,139 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:48,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:48,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:48,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:48,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:48,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:48,946 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:48,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:48,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:48,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:48,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:49,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:49,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:49,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:49,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:49,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:49,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:49,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:50,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:50,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:50,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:50,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:50,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:50,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:50,906 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:50,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:50,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:50,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:50,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:51,291 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:51,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:51,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:51,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:51,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:51,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:51,906 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:52,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:52,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:52,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:52,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:52,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:52,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:52,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:52,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:52,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:52,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:52,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:53,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:53,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:53,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:53,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:53,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:53,785 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:54,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:54,116 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:54,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:54,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:54,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:54,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:54,942 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:54,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:54,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:54,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:54,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:54,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:55,648 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:55,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:55,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:55,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:55,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:55,969 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:56,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:56,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:56,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:56,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:56,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:56,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:56,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:56,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:56,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:56,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:57,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:57,543 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:57,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:57,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:57,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:57,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:58,197 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:58,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:58,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:58,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:58,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:58,496 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:33:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:58,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:58,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:33:58,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:58,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:58,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:58,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:33:59,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:59,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:33:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:33:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:33:59,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:59,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:59,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:33:59,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:33:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:00,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:00,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:00,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:00,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:00,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:00,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:00,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:00,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:00,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:01,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:01,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:01,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:01,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:02,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:02,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:02,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:02,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:02,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:02,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:02,954 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:02,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:02,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:02,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:02,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:03,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:03,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:03,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:03,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:03,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:04,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:04,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:04,311 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:04,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:04,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:04,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:04,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:04,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:05,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:05,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:05,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:05,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:05,669 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:05,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:05,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:05,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:05,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:06,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:06,319 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:06,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:06,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:06,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:06,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:07,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:07,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:07,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:07,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:07,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:07,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:07,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:07,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:07,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:08,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:08,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:08,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:08,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:08,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:08,857 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:09,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:09,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:09,198 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:09,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:09,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:09,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:09,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:09,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:09,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:09,929 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:09,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:09,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:09,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:09,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:10,663 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:10,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:10,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:10,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:10,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:11,436 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:11,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:11,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:11,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:11,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:11,793 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:12,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:12,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:12,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:12,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:12,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:12,880 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:12,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:12,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:12,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:12,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:12,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:13,196 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:13,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:13,526 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:13,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:13,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:13,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:13,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:13,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:13,866 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:14,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:14,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:14,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:14,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:14,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:14,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:14,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:14,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:14,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:14,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:14,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:15,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:15,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:15,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:15,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:15,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:15,936 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:16,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:16,276 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:16,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:16,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:16,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:16,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:16,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:16,598 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:16,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:16,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:16,948 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:16,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:16,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:16,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:16,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:17,614 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:17,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:17,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:17,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:17,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:18,002 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:18,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:18,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:18,343 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:18,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:18,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:18,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:18,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:18,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:19,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:19,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:19,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:19,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:19,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:19,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:19,780 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:19,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:19,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:19,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:19,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:19,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:20,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:20,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:20,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:20,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:20,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:21,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:21,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:21,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:21,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:21,598 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:22,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:22,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:22,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:22,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:22,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:22,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:22,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:22,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:22,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:22,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:23,057 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:23,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:23,408 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:23,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:23,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:23,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:23,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:23,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:23,821 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:24,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:24,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:24,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:24,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:24,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:24,528 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:24,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:24,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:24,892 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:24,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:24,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:24,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:24,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:24,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:25,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:25,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:25,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:25,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:25,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:25,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:26,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:26,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:26,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:26,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:26,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:27,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:27,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:27,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:27,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:27,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:27,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:27,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:27,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:28,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:28,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:28,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:28,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:28,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:29,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:29,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:29,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:29,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:29,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:29,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:29,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:29,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:30,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:30,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:30,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:30,711 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:30,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:30,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:30,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:30,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:30,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:31,072 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:31,431 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:31,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:31,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:31,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:31,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:31,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:32,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:32,232 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:32,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:32,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:32,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:32,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:32,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:32,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:32,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:32,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:33,361 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:33,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:33,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:33,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:33,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:33,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:34,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:34,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:34,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:34,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:34,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:35,202 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:35,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:35,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:35,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:35,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:35,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:35,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:35,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:35,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:35,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:35,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:36,334 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:36,778 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:36,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:36,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:36,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:36,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:36,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:37,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:37,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:37,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:37,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:37,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:38,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:38,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:38,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:38,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:39,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:39,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:39,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:39,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:39,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:39,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:39,903 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:39,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:39,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:39,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:39,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:40,260 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:40,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:40,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:40,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:40,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:40,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:41,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:41,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:41,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:41,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:41,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:41,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:42,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:42,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:42,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:42,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:43,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:43,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:43,032 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:43,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:43,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:43,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:43,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:43,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:43,914 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:43,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:43,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:43,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:43,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:43,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:44,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:44,680 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:44,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:44,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:44,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:44,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:44,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:45,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:45,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:45,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:45,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:45,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:46,491 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:46,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:46,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:46,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:46,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:46,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:47,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:47,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:47,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:47,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:47,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:47,685 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:48,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:48,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:48,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:48,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:48,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:48,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:48,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:48,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:48,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:48,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:48,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:49,347 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:49,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:49,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:49,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:49,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:49,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:50,190 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:50,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:50,607 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:50,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:50,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:50,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:50,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:50,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:51,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:51,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:51,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:51,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:51,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:52,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:52,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:52,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:52,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:52,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:52,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:53,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:53,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:53,032 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:53,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:53,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:53,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:53,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:53,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:53,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:53,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:53,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:53,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:54,223 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:54,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:54,644 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:54,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:54,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:54,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:54,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:54,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:55,441 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:55,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:55,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:55,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:55,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:55,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:56,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:56,344 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:56,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:56,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:56,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:56,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:56,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:56,754 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:34:57,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:57,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:57,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:57,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:57,588 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:34:58,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:58,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:58,034 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:58,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:58,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:58,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:58,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:58,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:58,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:58,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:58,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:58,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:58,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:34:59,324 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:34:59,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:34:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:34:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:34:59,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:59,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:59,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:34:59,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:00,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:00,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:00,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:00,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:01,013 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:01,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:01,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:01,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:01,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:01,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:01,900 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:02,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:02,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:02,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:02,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:03,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:03,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:03,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:03,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:04,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:04,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:04,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:04,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:04,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:04,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:04,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:04,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:04,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:04,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:05,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:05,732 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:05,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:05,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:05,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:05,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:05,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:06,141 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:06,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:06,645 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:06,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:06,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:06,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:06,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:06,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:07,086 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:07,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:07,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:07,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:07,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:07,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:07,940 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:08,417 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:08,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:08,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:08,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:08,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:09,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:09,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:09,316 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:09,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:09,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:09,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:09,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:09,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:10,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:10,202 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:10,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:10,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:10,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:10,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:10,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:10,622 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:11,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:11,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:11,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:11,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:11,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:11,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:11,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:11,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:11,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:11,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:12,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:12,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:12,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:12,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:13,225 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:13,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:13,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:13,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:13,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:14,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:14,568 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:14,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:14,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:14,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:14,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:15,443 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:15,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:15,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:15,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:15,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:15,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:16,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:16,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:16,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:16,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:16,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:16,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:16,767 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:17,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:17,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:17,224 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:17,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:17,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:17,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:17,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:17,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:18,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:18,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:18,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:18,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:18,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:19,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:19,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:19,129 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:19,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:19,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:19,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:19,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:19,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:20,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:20,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:20,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:20,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:21,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:21,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:21,057 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:21,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:21,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:21,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:21,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:21,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:21,945 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:21,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:21,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:21,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:21,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:21,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:22,394 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:22,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:22,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:22,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:22,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:22,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:23,381 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:23,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:23,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:23,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:23,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:23,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:25,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:25,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:25,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:25,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:25,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:25,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:26,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:26,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:26,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:26,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:27,082 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:27,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:27,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:27,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:27,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:27,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:28,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:28,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:28,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:28,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:30,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:30,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:30,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:30,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:31,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:31,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:31,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:31,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:31,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:31,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:32,447 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:32,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:32,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:32,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:32,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:32,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:33,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:33,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:33,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:33,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:33,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:33,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:33,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:34,221 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:34,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:34,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:34,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:34,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:34,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:34,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:34,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:35,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:35,956 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:35,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:35,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:35,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:35,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:35,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:37,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:37,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:37,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:37,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:37,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:38,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:38,152 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:38,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:38,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:38,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:38,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:39,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:39,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:39,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:39,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:39,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:40,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:40,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:40,614 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:40,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:40,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:40,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:40,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:41,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:41,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:41,787 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:41,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:41,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:41,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:41,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:42,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:42,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:42,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:42,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:42,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:42,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:42,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:44,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:44,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:44,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:44,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:44,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:45,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:45,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:45,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:45,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:45,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:45,780 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:46,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:46,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:46,302 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:46,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:46,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:46,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:46,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:46,735 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:47,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:47,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:47,225 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:47,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:47,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:47,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:47,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:47,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:48,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:48,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:48,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:48,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:48,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:48,946 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:49,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:49,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:49,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:49,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:49,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:50,073 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:50,693 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:50,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:50,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:50,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:50,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:50,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:51,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:51,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:51,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:51,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:51,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:53,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:53,033 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:53,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:53,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:53,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:53,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:53,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:54,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:54,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:54,160 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:54,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:54,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:54,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:54,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:55,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:55,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:55,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:55,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:55,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:35:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:56,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:56,567 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:56,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:56,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:56,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:56,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:56,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:57,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:57,722 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:35:57,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:57,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:57,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:57,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:35:59,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:59,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:35:59,077 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:35:59,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:35:59,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:59,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:59,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:35:59,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:35:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:00,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:00,396 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:00,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:00,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:00,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:00,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:00,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:01,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:01,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:01,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:01,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:03,176 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:03,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:03,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:03,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:03,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:03,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:04,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:04,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:04,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:04,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:04,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:05,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:05,913 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:05,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:05,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:05,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:05,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:06,453 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:07,082 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:07,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:07,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:07,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:07,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:08,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:08,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:08,482 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:08,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:08,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:08,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:08,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:08,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:10,009 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:10,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:10,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:10,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:10,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:10,698 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:11,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:11,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:11,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:11,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:11,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:12,672 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:12,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:12,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:12,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:12,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:13,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:13,881 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:13,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:13,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:13,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:13,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:13,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:14,425 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:15,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:15,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:15,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:15,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:16,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:16,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:16,316 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:16,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:16,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:16,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:16,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:17,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:17,527 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:17,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:17,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:17,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:17,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:18,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:18,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:18,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:18,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:18,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:18,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:19,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:19,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:19,971 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:19,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:19,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:19,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:19,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:19,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:21,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:21,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:21,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:21,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:21,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:22,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:22,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:22,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:22,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:22,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:23,952 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:23,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:23,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:23,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:23,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:23,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:25,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:25,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:25,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:25,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:25,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:26,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:26,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:26,500 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:26,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:26,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:26,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:26,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:27,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:27,586 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:27,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:27,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:27,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:27,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:27,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:28,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:28,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:28,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:28,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:30,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:30,143 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:30,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:30,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:30,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:30,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:30,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:31,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:31,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:31,603 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:31,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:31,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:31,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:31,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:33,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:33,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:33,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:33,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:33,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:33,833 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:34,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:34,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:34,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:34,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:34,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:35,315 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:36,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:36,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:36,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:36,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:36,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:36,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:37,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:37,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:37,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:37,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:37,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:38,038 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:38,669 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:38,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:38,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:38,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:38,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:39,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:39,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:39,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:39,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:40,430 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:41,067 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:41,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:41,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:41,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:41,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:42,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:42,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:42,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:42,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:42,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:42,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:43,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:43,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:43,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:43,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:43,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:43,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:44,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:44,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:44,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:44,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:44,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:45,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:45,783 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:45,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:45,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:45,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:45,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:45,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:46,278 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:46,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:46,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:46,909 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:46,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:46,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:46,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:46,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:46,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:48,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:48,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:48,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:48,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:48,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:48,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:49,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:49,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:49,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:49,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:50,005 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:50,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:50,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:50,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:50,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:50,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:50,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:51,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:51,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:51,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:51,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:53,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:53,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:53,253 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:53,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:53,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:53,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:53,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:53,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:54,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:54,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:54,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:54,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:54,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:54,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:54,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:55,169 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:36:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:55,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:55,857 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:55,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:55,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:55,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:55,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:57,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:57,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:57,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:57,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:57,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:36:58,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:36:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:36:58,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:36:58,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:58,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:58,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:36:58,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:36:59,455 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:00,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:00,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:00,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:00,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:00,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:00,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:00,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:01,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:01,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:01,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:01,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:01,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:01,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:02,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:02,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:02,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:02,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:03,884 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:03,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:03,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:03,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:03,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:03,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:05,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:05,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:05,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:05,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:05,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:05,668 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:06,283 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:06,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:06,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:06,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:06,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:06,851 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:07,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:07,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:07,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:07,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:07,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:08,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:08,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:08,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:08,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:08,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:08,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:08,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:10,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:10,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:10,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:10,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:10,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:11,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:11,532 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:11,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:11,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:11,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:11,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:11,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:12,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:12,878 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:12,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:12,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:12,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:12,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:14,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:14,212 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:14,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:14,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:14,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:14,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:15,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:15,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:15,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:15,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:15,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:16,933 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:16,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:16,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:16,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:16,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:16,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:17,556 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:18,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:18,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:18,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:18,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:19,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:19,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:19,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:19,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:20,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:20,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:20,996 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:20,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:20,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:20,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:21,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:21,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:22,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:22,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:22,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:22,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:22,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:23,748 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:23,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:23,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:23,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:23,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:25,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:25,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:25,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:25,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:25,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:25,821 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:26,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:26,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:26,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:26,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:26,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:27,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:27,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:27,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:27,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:27,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:27,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:29,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:29,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:29,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:29,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:29,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:31,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:31,058 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:31,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:31,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:31,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:31,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:31,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:31,846 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:32,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:32,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:32,698 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:32,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:32,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:32,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:32,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:34,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:34,248 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:34,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:34,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:34,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:34,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:34,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:35,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:35,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:35,822 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:35,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:35,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:35,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:35,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:35,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:37,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:37,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:37,464 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:37,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:37,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:37,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:37,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:39,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:39,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:39,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:39,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:39,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:40,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:40,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:40,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:40,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:40,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:41,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:41,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:41,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:41,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:42,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:42,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:42,674 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:43,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:43,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:43,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:43,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:43,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:43,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:44,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:44,912 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:44,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:44,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:44,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:44,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:44,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:46,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:46,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:46,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:46,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:46,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:47,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:47,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:47,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:47,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:47,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:47,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:49,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:49,308 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:49,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:49,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:49,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:49,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:50,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:50,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:50,791 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:50,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:50,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:50,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:50,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:50,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:52,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:52,295 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:52,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:52,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:52,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:52,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:53,017 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:53,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:53,805 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:53,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:53,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:53,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:53,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:54,513 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:55,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:55,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:55,300 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:55,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:55,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:55,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:55,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:55,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:37:56,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:56,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:56,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:56,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:56,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:58,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:58,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:58,228 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:58,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:37:58,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:58,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:58,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:58,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:37:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:37:59,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:37:59,683 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:37:59,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:37:59,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:59,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:59,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:37:59,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:01,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:01,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:01,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:01,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:02,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:02,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:02,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:02,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:02,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:03,368 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:04,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:04,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:04,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:04,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:04,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:04,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:05,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:05,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:05,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:05,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:05,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:05,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:07,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:07,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:07,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:07,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:07,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:07,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:09,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:09,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:09,084 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:09,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:09,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:09,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:09,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:09,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:09,885 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:10,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:10,736 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:10,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:10,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:10,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:10,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:12,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:12,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:12,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:12,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:13,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:13,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:13,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:13,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:13,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:14,588 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:15,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:15,373 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:15,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:15,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:15,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:15,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:15,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:16,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:16,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:16,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:16,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:16,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:18,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:18,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:18,374 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:18,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:18,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:18,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:18,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:18,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:19,142 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:19,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:19,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:19,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:19,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:19,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:21,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:21,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:21,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:21,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:21,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:22,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:22,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:22,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:22,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:22,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:23,496 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:24,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:24,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:24,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:24,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:24,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:24,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:25,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:25,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:25,636 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:25,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:25,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:25,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:25,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:25,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:27,053 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:27,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:27,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:27,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:27,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:28,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:28,428 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:28,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:28,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:28,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:28,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:29,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:29,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:29,813 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:29,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:29,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:29,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:29,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:29,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:31,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:31,156 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:31,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:31,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:31,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:31,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:31,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:32,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:32,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:32,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:32,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:32,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:34,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:34,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:34,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:34,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:34,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:35,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:35,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:35,559 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:35,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:35,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:35,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:35,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:37,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:37,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:37,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:37,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:37,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:38,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:38,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:38,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:38,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:38,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:39,176 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:39,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:39,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:39,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:39,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:41,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:41,484 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:41,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:41,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:41,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:41,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:43,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:43,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:43,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:43,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:43,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:43,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:43,682 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:44,489 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:44,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:44,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:44,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:44,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:44,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:46,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:46,045 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:46,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:46,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:46,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:46,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:47,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:47,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:47,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:47,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:48,255 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:49,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:49,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:49,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:49,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:49,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:50,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:50,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:50,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:50,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:50,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:51,310 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:52,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:52,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:52,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:52,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:52,812 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:53,586 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:53,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:53,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:53,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:53,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:55,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:55,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:55,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:55,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:55,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:56,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:56,478 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:56,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:38:56,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:56,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:56,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:56,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:57,154 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:38:57,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:57,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:57,938 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:57,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:57,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:57,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:57,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:57,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:38:58,612 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:38:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:59,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:38:59,384 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:38:59,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:38:59,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:59,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:59,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:38:59,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:00,000 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:00,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:00,759 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:00,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:00,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:00,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:00,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:02,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:02,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:02,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:02,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:02,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:02,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:02,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:03,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:03,555 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:03,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:03,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:03,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:03,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:04,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:04,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:04,898 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:04,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:04,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:04,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:04,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:05,584 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:06,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:06,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:06,334 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:06,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:06,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:06,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:06,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:06,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:06,960 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:07,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:07,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:07,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:07,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:07,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:09,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:09,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:09,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:09,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:09,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:09,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:09,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:10,753 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:10,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:10,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:10,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:10,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:12,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:12,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:12,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:12,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:12,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:12,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:13,573 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:13,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:13,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:13,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:13,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:13,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:14,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:14,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:15,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:15,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:16,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:16,360 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:16,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:16,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:16,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:16,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:16,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:16,994 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:17,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:17,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:17,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:17,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:17,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:17,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:19,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:19,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:19,225 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:19,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:19,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:19,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:19,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:19,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:19,837 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:20,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:20,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:20,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:20,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:20,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:20,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:20,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:21,237 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:21,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:21,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:21,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:21,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:21,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:21,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:21,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:23,364 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:23,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:23,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:23,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:23,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:23,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:24,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:24,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:24,700 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:24,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:24,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:24,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:24,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:26,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:26,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:26,086 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:26,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:26,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:26,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:26,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:26,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:27,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:27,474 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:27,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:27,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:27,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:27,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:27,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:28,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:28,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:28,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:28,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:29,484 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:30,305 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:30,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:30,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:30,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:30,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:31,806 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:31,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:31,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:31,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:31,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:31,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:32,496 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:33,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:33,268 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:33,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:33,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:33,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:33,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:33,931 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:34,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:34,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:34,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:34,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:34,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:34,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:36,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:36,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:36,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:36,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:36,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:36,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:37,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:37,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:37,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:37,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:37,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:38,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:38,946 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:38,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:38,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:38,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:38,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:38,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:39,589 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:40,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:40,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:40,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:40,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:40,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:41,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:41,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:41,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:41,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:41,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:43,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:43,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:43,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:43,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:43,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:43,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:43,884 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:44,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:44,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:44,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:44,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:44,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:44,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:44,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:46,116 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:46,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:46,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:46,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:46,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:47,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:47,745 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:47,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:47,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:47,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:47,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:47,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:49,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:49,405 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:49,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:49,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:49,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:49,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:51,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:51,031 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:51,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:51,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:51,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:51,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:52,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:52,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:52,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:52,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:53,374 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:54,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:54,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:54,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:54,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:54,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:55,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:55,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:55,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:55,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:55,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:55,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:56,618 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:39:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:57,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:57,475 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:39:57,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:57,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:57,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:57,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:39:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:39:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:39:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:39:59,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:59,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:59,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:39:59,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:39:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:00,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:00,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:00,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:00,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:00,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:01,461 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:40:02,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:02,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:02,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:02,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:40:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:03,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:03,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:03,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:03,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:05,578 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:05,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:05,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:05,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:05,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:05,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:40:07,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:07,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:07,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:07,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:40:08,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:08,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:08,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:08,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:08,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:10,407 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:10,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:10,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:10,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:10,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:11,137 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:12,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:12,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:12,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:12,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:12,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:40:13,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:13,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:13,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:13,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:14,452 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:40:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:15,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:15,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:15,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:15,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:17,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:17,042 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:17,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:17,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:17,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:17,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:17,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:18,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:18,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:18,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:18,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:20,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:20,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:20,368 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:20,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:20,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:20,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:20,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:21,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:21,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:21,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:21,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:22,715 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:23,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:23,553 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:23,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:23,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:23,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:23,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:24,344 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:25,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:25,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:25,182 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:25,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:40:25,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:25,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:25,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:25,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:25,922 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:40:26,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:26,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:26,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:26,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:26,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:26,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:26,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:28,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:28,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:28,396 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:28,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:28,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:28,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:28,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:28,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:30,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:30,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:30,083 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:30,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:30,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:30,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:30,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:30,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:31,717 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:31,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:31,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:31,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:31,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:31,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:33,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:33,371 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:33,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:33,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:33,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:33,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:33,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:34,134 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:35,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:35,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:35,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:35,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:36,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:36,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:36,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:36,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:36,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:38,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:38,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:40:38,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:38,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:38,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:38,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:39,030 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:40:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:39,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:39,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:39,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:39,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:39,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:41,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:41,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:40:41,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:41,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:41,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:41,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:40:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:43,159 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:43,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:40:43,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:43,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:43,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:43,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:40:44,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:40:44,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:44,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:44,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:44,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:40:46,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:46,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:46,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:46,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:46,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:46,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:46,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:48,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:40:48,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:48,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:48,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:48,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:40:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:49,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:49,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:49,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:49,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:51,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:51,353 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:51,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:40:51,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:51,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:51,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:51,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:52,111 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:40:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:52,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:52,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:52,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:52,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:52,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:54,629 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:54,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:54,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:54,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:54,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:54,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:56,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:56,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:56,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:56,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:56,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:57,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:57,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:57,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:57,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:57,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:40:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:40:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:40:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:40:59,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:40:59,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:59,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:59,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:40:59,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:01,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:01,242 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:01,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:01,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:01,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:01,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:02,047 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:02,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:02,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:02,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:02,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:02,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:02,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:02,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:04,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:04,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:04,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:04,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:04,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:05,358 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:06,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:06,246 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:06,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:06,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:06,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:06,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:07,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:07,925 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:07,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:07,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:07,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:07,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:07,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:09,577 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:09,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:09,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:09,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:09,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:11,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:11,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:11,259 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:11,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:11,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:11,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:11,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:11,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:12,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:12,937 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:12,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:12,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:12,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:12,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:12,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:13,725 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:14,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:14,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:14,629 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:14,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:14,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:14,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:14,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:14,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:16,333 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:16,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:16,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:16,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:16,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:16,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:18,074 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:18,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:18,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:18,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:18,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:18,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:19,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:19,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:19,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:19,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:19,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:20,596 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:21,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:21,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:21,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:21,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:21,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:23,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:23,220 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:23,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:23,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:23,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:23,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:23,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:24,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:24,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:24,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:24,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:24,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:26,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:26,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:26,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:26,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:26,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:27,431 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:28,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:28,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:28,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:28,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:28,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:30,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:30,190 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:30,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:30,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:30,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:30,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:30,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:31,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:31,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:31,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:31,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:31,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:31,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:33,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:33,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:33,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:33,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:33,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:35,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:35,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:35,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:35,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:35,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:37,322 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:37,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:37,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:37,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:37,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:37,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:39,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:39,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:39,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:39,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:39,847 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:40,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:40,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:40,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:40,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:42,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:42,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:42,312 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:42,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:42,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:42,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:42,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:42,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:43,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:43,931 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:43,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:43,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:43,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:43,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:43,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:45,587 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:45,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:45,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:45,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:45,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:47,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:47,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:47,225 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:47,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:41:47,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:47,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:47,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:47,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:41:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:48,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:48,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:48,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:48,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:48,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:50,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:50,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:50,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:50,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:50,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:52,131 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:52,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:52,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:52,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:52,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:52,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:53,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:53,720 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:53,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:53,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:53,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:53,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:54,447 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:55,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:55,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:55,311 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:55,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:55,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:55,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:55,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:55,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:56,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:56,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:56,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:56,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:56,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:57,662 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:41:58,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:41:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:41:58,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:41:58,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:58,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:58,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:41:58,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:41:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:00,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:00,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:00,168 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:00,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:00,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:00,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:00,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:00,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:01,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:01,784 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:01,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:01,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:01,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:01,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:01,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:03,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:03,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:03,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:03,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:05,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:05,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:05,086 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:05,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:05,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:05,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:05,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:05,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:06,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:06,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:06,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:06,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:08,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:08,406 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:08,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:08,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:08,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:08,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:10,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:10,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:10,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:10,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:10,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:11,671 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:11,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:11,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:11,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:11,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:11,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:13,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:13,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:13,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:13,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:13,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:15,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:15,097 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:15,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:15,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:15,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:15,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:15,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:15,835 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:16,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:16,719 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:16,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:16,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:16,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:16,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:18,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:18,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:18,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:18,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:18,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:19,184 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:20,078 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:20,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:20,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:20,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:20,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:20,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:20,939 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:21,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:21,816 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:21,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:21,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:21,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:21,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:21,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:23,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:23,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:23,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:23,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:23,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:25,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:25,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:25,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:25,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:26,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:26,878 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:26,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:26,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:26,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:26,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:26,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:27,647 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:28,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:28,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:28,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:28,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:28,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:30,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:30,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:30,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:30,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:30,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:30,996 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:31,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:31,902 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:31,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:31,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:31,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:31,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:31,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:33,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:33,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:33,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:33,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:33,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:35,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:35,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:35,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:35,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:35,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:37,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:37,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:37,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:37,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:37,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:37,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:39,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:39,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:39,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:39,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:39,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:39,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:40,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:40,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:41,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:41,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:41,913 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:42,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:42,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:42,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:42,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:44,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:44,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:44,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:44,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:44,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:44,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:46,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:46,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:46,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:46,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:46,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:46,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:48,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:48,600 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:48,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:48,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:48,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:48,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:48,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:50,539 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:50,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:50,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:50,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:50,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:50,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:51,462 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:52,483 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:52,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:52,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:52,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:52,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:54,383 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:54,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:54,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:54,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:54,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:54,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:42:56,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:56,303 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:56,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:42:56,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:56,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:56,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:56,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:57,192 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:42:58,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:42:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:42:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:42:58,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:58,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:58,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:42:58,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:42:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:00,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:00,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:00,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:00,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:00,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:02,045 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:02,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:02,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:02,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:02,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:02,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:03,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:03,984 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:03,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:03,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:03,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:03,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:04,886 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:05,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:05,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:05,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:05,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:06,840 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:07,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:07,873 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:07,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:07,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:07,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:07,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:09,854 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:09,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:09,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:09,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:09,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:11,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:11,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:11,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:11,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:11,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:13,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:13,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:13,740 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:13,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:13,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:13,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:13,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:15,721 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:15,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:15,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:15,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:15,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:15,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:17,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:17,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:17,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:17,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:17,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:19,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:19,750 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:19,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:19,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:19,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:19,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:21,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:21,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:21,730 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:21,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:21,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:21,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:21,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:21,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:22,651 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:23,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:23,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:23,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:23,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:23,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:23,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:25,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:25,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:25,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:25,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:26,527 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:27,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:27,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:27,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:27,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:27,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:27,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:28,423 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:29,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:29,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:29,460 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:29,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:29,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:29,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:29,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:31,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:31,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:31,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:31,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:31,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:32,258 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:33,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:33,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:33,286 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:33,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:33,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:33,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:33,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:33,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:35,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:35,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:35,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:35,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:35,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:37,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:37,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:37,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:37,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:39,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:39,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:39,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:39,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:39,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:39,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:40,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:40,979 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:40,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:40,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:40,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:40,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:42,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:42,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:42,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:42,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:42,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:43,777 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:44,782 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:44,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:44,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:44,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:44,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:44,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:46,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:46,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:46,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:46,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:46,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:47,572 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:48,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:48,605 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:48,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:48,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:48,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:48,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:48,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:50,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:50,597 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:50,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:50,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:50,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:50,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:50,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:51,518 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:52,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:52,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:52,545 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:52,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:52,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:52,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:52,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:52,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:43:54,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:54,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:54,511 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:54,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:54,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:54,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:54,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:56,459 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:43:56,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:56,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:56,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:56,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:43:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:43:58,408 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:43:58,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:43:58,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:58,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:58,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:43:58,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:43:59,331 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:00,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:00,348 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:00,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:00,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:00,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:00,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:00,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:02,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:02,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:02,277 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:02,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:02,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:02,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:02,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:04,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:04,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:04,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:04,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:04,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:06,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:06,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:06,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:06,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:08,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:08,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:08,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:08,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:08,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:09,004 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:10,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:10,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:10,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:10,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:10,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:10,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:12,015 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:12,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:12,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:12,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:12,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:12,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:13,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:13,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:13,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:13,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:13,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:15,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:15,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:15,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:15,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:15,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:15,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:16,767 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:17,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:17,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:17,710 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:17,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:17,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:17,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:17,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:19,491 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:19,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:19,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:19,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:19,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:19,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:21,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:21,291 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:21,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:21,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:21,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:21,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:21,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:22,119 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:23,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:23,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:23,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:23,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:23,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:24,027 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:24,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:24,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:24,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:24,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:25,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:25,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:26,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:26,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:26,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:26,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:26,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:27,661 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:28,669 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:28,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:28,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:28,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:28,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:28,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:30,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:30,495 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:30,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:30,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:30,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:30,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:30,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:31,344 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:32,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:32,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:32,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:32,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:32,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:32,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:34,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:34,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:34,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:34,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:35,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:35,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:35,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:35,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:36,833 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:37,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:37,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:37,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:37,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:38,653 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:39,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:39,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:39,663 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:39,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:39,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:39,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:39,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:41,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:41,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:41,567 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:41,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:41,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:41,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:41,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:41,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:43,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:43,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:43,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:43,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:43,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:45,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:45,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:45,239 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:45,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:45,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:45,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:45,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:47,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:47,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:47,165 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:47,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:47,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:47,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:47,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:48,182 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:49,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:49,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:49,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:49,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:51,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:51,447 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:51,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:51,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:51,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:51,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:51,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:53,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:53,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:53,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:53,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:55,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:44:55,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:55,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:55,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:55,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:56,730 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:44:57,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:57,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:57,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:57,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:57,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:44:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:44:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:59,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:44:59,834 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:44:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:44:59,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:59,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:59,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:44:59,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:45:01,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:45:01,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:01,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:01,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:01,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:45:03,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:03,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:45:03,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:03,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:03,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:03,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:45:05,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:05,789 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:05,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:45:05,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:05,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:05,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:05,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:45:07,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:07,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:07,733 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:45:07,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:07,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:07,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:07,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:45:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:45:09,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:09,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:09,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:09,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:10,585 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:45:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:45:11,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:11,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:11,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:11,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:45:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:13,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:45:13,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:13,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:13,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:13,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:45:15,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:15,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:15,581 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:15,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:45:15,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:15,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:15,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:15,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:45:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:45:17,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:17,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:17,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:17,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:45:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:19,953 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:19,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:45:19,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:19,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:19,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:19,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:45:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:22,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:22,112 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:45:22,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:22,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:22,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:22,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:45:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:45:24,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 58 transitions. [2021-11-13 22:45:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 22:45:24,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:45:24,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:24,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:24,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:45:24,278 INFO L286 TraceCheckSpWp]: Computing forward predicates...