./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/max-2-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/max-2-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d56d1653edfb1a7b1c72e82d390b1b74d1df9114797a2f1426eb2285f6c4408f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:50:44,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:50:44,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:50:44,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:50:44,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:50:44,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:50:44,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:50:44,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:50:44,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:50:45,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:50:45,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:50:45,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:50:45,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:50:45,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:50:45,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:50:45,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:50:45,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:50:45,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:50:45,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:50:45,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:50:45,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:50:45,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:50:45,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:50:45,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:50:45,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:50:45,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:50:45,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:50:45,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:50:45,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:50:45,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:50:45,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:50:45,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:50:45,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:50:45,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:50:45,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:50:45,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:50:45,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:50:45,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:50:45,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:50:45,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:50:45,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:50:45,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:50:45,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:50:45,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:50:45,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:50:45,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:50:45,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:50:45,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:50:45,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:50:45,110 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:50:45,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:50:45,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:50:45,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:50:45,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:50:45,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:50:45,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:50:45,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:50:45,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:50:45,112 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:50:45,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:50:45,112 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:50:45,113 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:50:45,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:50:45,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:50:45,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:50:45,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:50:45,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:50:45,114 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:50:45,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:50:45,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:50:45,115 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_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d56d1653edfb1a7b1c72e82d390b1b74d1df9114797a2f1426eb2285f6c4408f [2021-11-23 00:50:45,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:50:45,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:50:45,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:50:45,415 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:50:45,416 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:50:45,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-multidimensional/max-2-u.c [2021-11-23 00:50:45,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/data/a0718abae/94b441c4e1524c8a88ed717039931b50/FLAG1d4a43092 [2021-11-23 00:50:45,951 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:50:45,951 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/sv-benchmarks/c/array-multidimensional/max-2-u.c [2021-11-23 00:50:45,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/data/a0718abae/94b441c4e1524c8a88ed717039931b50/FLAG1d4a43092 [2021-11-23 00:50:46,337 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/data/a0718abae/94b441c4e1524c8a88ed717039931b50 [2021-11-23 00:50:46,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:50:46,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:50:46,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:50:46,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:50:46,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:50:46,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4f6593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46, skipping insertion in model container [2021-11-23 00:50:46,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:50:46,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:50:46,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/sv-benchmarks/c/array-multidimensional/max-2-u.c[319,332] [2021-11-23 00:50:46,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:50:46,568 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:50:46,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/sv-benchmarks/c/array-multidimensional/max-2-u.c[319,332] [2021-11-23 00:50:46,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:50:46,605 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:50:46,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46 WrapperNode [2021-11-23 00:50:46,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:50:46,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:50:46,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:50:46,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:50:46,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,644 INFO L137 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2021-11-23 00:50:46,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:50:46,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:50:46,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:50:46,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:50:46,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:50:46,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:50:46,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:50:46,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:50:46,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:46" (1/1) ... [2021-11-23 00:50:46,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:50:46,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:50:46,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:50:46,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978161cd-297d-4f49-ac84-256ee4c747ef/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:50:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:50:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:50:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:50:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:50:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:50:46,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:50:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:50:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:50:46,844 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:50:46,846 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:50:47,015 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:50:47,076 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:50:47,076 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 00:50:47,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:47 BoogieIcfgContainer [2021-11-23 00:50:47,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:50:47,080 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:50:47,081 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:50:47,106 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:50:47,106 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:47" (1/1) ... [2021-11-23 00:50:47,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:50:47,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:47,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2021-11-23 00:50:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2021-11-23 00:50:47,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:50:47,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:47,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:47,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:50:47,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:47,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-23 00:50:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-23 00:50:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:50:47,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:47,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:47,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:50:47,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:47,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2021-11-23 00:50:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2021-11-23 00:50:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:50:47,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:47,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:47,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 00:50:47,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2021-11-23 00:50:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2021-11-23 00:50:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:50:47,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:47,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:48,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:50:48,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:48,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:48,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 00:50:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 00:50:48,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:50:48,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:48,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:48,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 00:50:48,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:48,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2021-11-23 00:50:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2021-11-23 00:50:48,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:50:48,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:48,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:48,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:50:48,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 00:50:48,542 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 00:50:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:50:48,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:48,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:48,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 00:50:48,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:48,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-11-23 00:50:48,776 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-11-23 00:50:48,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:50:48,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:48,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:48,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:50:48,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:49,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:49,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2021-11-23 00:50:49,018 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2021-11-23 00:50:49,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:50:49,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:49,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:49,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:50:49,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:49,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-23 00:50:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-23 00:50:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:50:49,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:49,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:49,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:49,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:49,392 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:49,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2021-11-23 00:50:49,486 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2021-11-23 00:50:49,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:50:49,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:49,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:49,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:50:49,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:49,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2021-11-23 00:50:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2021-11-23 00:50:49,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:50:49,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:49,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:49,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:50:49,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:49,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:49,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2021-11-23 00:50:49,972 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-11-23 00:50:49,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:50:49,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:49,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:50,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:50:50,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2021-11-23 00:50:50,219 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-23 00:50:50,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:50:50,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:50,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:50,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:50:50,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2021-11-23 00:50:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-11-23 00:50:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:50:50,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:50,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:50,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:50:50,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:50,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:50,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-23 00:50:50,822 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-23 00:50:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:50:50,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:50,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:50,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:50:50,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:51,023 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2021-11-23 00:50:51,148 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2021-11-23 00:50:51,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:50:51,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:51,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:51,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:50:51,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2021-11-23 00:50:51,488 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2021-11-23 00:50:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:50:51,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:51,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:51,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:50:51,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:51,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:51,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2021-11-23 00:50:51,810 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-23 00:50:51,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:50:51,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:51,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:51,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:50:51,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2021-11-23 00:50:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2021-11-23 00:50:52,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:50:52,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:52,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:52,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:50:52,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-23 00:50:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-23 00:50:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:50:52,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:52,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:52,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:50:52,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:52,661 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-23 00:50:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-23 00:50:52,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:50:52,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:52,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:52,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:50:52,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-23 00:50:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-23 00:50:53,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:50:53,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:53,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:53,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:50:53,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:53,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-11-23 00:50:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-11-23 00:50:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:50:53,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:53,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:53,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 00:50:53,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:53,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2021-11-23 00:50:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2021-11-23 00:50:53,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:50:53,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:53,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:53,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 00:50:53,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:54,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:54,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2021-11-23 00:50:54,250 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2021-11-23 00:50:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:50:54,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:54,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:54,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:50:54,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:54,518 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2021-11-23 00:50:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2021-11-23 00:50:54,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:50:54,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:54,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:54,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:50:54,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:54,919 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2021-11-23 00:50:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-11-23 00:50:55,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:50:55,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:55,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:55,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:50:55,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:55,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:55,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2021-11-23 00:50:55,502 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2021-11-23 00:50:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:50:55,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:55,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:55,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 00:50:55,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:55,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2021-11-23 00:50:55,973 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2021-11-23 00:50:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:50:55,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:55,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:50:56,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:56,240 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2021-11-23 00:50:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2021-11-23 00:50:56,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:50:56,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:56,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:50:56,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:56,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2021-11-23 00:50:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2021-11-23 00:50:56,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:50:56,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:56,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 00:50:56,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:57,185 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:57,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2021-11-23 00:50:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2021-11-23 00:50:57,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:50:57,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:57,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:57,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:50:57,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:57,631 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:57,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2021-11-23 00:50:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2021-11-23 00:50:57,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:50:57,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:57,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:57,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:50:57,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:58,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2021-11-23 00:50:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2021-11-23 00:50:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:50:58,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:58,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:58,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:50:58,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:58,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2021-11-23 00:50:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2021-11-23 00:50:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:50:58,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:58,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:58,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:50:58,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:59,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:59,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2021-11-23 00:50:59,297 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2021-11-23 00:50:59,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:50:59,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:59,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:59,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 00:50:59,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2021-11-23 00:50:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2021-11-23 00:50:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:50:59,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:59,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:59,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:50:59,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:00,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:00,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2021-11-23 00:51:00,286 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2021-11-23 00:51:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:51:00,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:00,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:00,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:51:00,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:00,688 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-11-23 00:51:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-11-23 00:51:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:51:00,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:00,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:00,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-23 00:51:00,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:01,229 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2021-11-23 00:51:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-11-23 00:51:01,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:51:01,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:01,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:01,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 00:51:01,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 54 states and 63 transitions. [2021-11-23 00:51:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2021-11-23 00:51:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:51:01,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:01,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:01,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:51:01,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2021-11-23 00:51:02,442 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-11-23 00:51:02,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:51:02,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:02,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:02,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 00:51:02,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:02,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2021-11-23 00:51:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2021-11-23 00:51:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:51:02,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:02,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:03,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:51:03,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2021-11-23 00:51:03,471 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2021-11-23 00:51:03,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:51:03,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:03,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:03,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 00:51:03,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:03,792 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 58 states and 67 transitions. [2021-11-23 00:51:03,975 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2021-11-23 00:51:03,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:51:03,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:03,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:04,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 00:51:04,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:04,295 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:04,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:04,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 68 transitions. [2021-11-23 00:51:04,493 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2021-11-23 00:51:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:51:04,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:04,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:04,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 00:51:04,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:04,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:05,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 60 states and 69 transitions. [2021-11-23 00:51:05,059 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2021-11-23 00:51:05,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:51:05,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:05,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:05,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 00:51:05,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:05,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 61 states and 70 transitions. [2021-11-23 00:51:05,621 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2021-11-23 00:51:05,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:51:05,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:05,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:05,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 00:51:05,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2021-11-23 00:51:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2021-11-23 00:51:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:51:06,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:06,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:06,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:51:06,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:06,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:06,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2021-11-23 00:51:06,657 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2021-11-23 00:51:06,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:51:06,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:06,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:06,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 00:51:06,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:07,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:07,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2021-11-23 00:51:07,233 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2021-11-23 00:51:07,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:51:07,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:07,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:07,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 00:51:07,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:07,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2021-11-23 00:51:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2021-11-23 00:51:07,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:51:07,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:07,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:07,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 00:51:07,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:08,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2021-11-23 00:51:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2021-11-23 00:51:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:51:08,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:08,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:08,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-23 00:51:08,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2021-11-23 00:51:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2021-11-23 00:51:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:51:08,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:08,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:08,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 00:51:08,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:09,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:09,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2021-11-23 00:51:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2021-11-23 00:51:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:51:09,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:09,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:09,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 00:51:09,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2021-11-23 00:51:10,129 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2021-11-23 00:51:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:51:10,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:10,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:10,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-23 00:51:10,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:10,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:10,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 70 states and 79 transitions. [2021-11-23 00:51:10,826 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2021-11-23 00:51:10,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:51:10,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:10,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:10,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 00:51:10,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 71 states and 80 transitions. [2021-11-23 00:51:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2021-11-23 00:51:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:51:11,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:11,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:11,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 00:51:11,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:12,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 81 transitions. [2021-11-23 00:51:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2021-11-23 00:51:12,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:51:12,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:12,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:12,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 00:51:12,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2021-11-23 00:51:12,769 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2021-11-23 00:51:12,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:51:12,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:12,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:12,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-23 00:51:12,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:13,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 74 states and 83 transitions. [2021-11-23 00:51:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2021-11-23 00:51:13,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:51:13,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:13,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:13,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 00:51:13,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:13,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2021-11-23 00:51:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2021-11-23 00:51:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:51:13,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:13,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:14,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-23 00:51:14,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:14,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:14,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2021-11-23 00:51:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2021-11-23 00:51:14,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:51:14,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:14,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:14,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-23 00:51:14,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:15,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 1 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2021-11-23 00:51:15,479 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2021-11-23 00:51:15,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:51:15,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:15,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:15,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-23 00:51:15,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:15,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 1 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:16,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:16,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2021-11-23 00:51:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2021-11-23 00:51:16,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:51:16,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:16,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:16,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-23 00:51:16,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2021-11-23 00:51:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2021-11-23 00:51:16,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:51:16,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:16,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:16,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-23 00:51:16,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:17,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2021-11-23 00:51:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2021-11-23 00:51:17,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:51:17,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:17,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:17,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 00:51:17,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 1 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:18,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:18,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2021-11-23 00:51:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2021-11-23 00:51:18,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:51:18,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:18,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:18,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-23 00:51:18,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2279 backedges. 1 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2021-11-23 00:51:19,033 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2021-11-23 00:51:19,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:51:19,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:19,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:19,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-23 00:51:19,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 1 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2021-11-23 00:51:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2021-11-23 00:51:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:51:19,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:19,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:19,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-23 00:51:19,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 1 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:20,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:20,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2021-11-23 00:51:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2021-11-23 00:51:20,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:51:20,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:20,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:20,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-23 00:51:20,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:20,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 1 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2021-11-23 00:51:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2021-11-23 00:51:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:51:21,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:21,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:21,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-23 00:51:21,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:21,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2557 backedges. 1 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:22,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2021-11-23 00:51:22,018 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2021-11-23 00:51:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:51:22,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:22,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:22,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-23 00:51:22,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 1 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 87 states and 96 transitions. [2021-11-23 00:51:22,924 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2021-11-23 00:51:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:51:22,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:22,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:22,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 00:51:22,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 1 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:23,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:23,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 88 states and 97 transitions. [2021-11-23 00:51:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2021-11-23 00:51:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 00:51:23,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:23,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:23,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-23 00:51:23,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2776 backedges. 1 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:24,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:24,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 89 states and 98 transitions. [2021-11-23 00:51:24,680 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2021-11-23 00:51:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:51:24,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:24,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:24,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-23 00:51:24,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2851 backedges. 1 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:25,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2021-11-23 00:51:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2021-11-23 00:51:25,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 00:51:25,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:25,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:25,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-23 00:51:25,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 1 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:26,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:26,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 91 states and 100 transitions. [2021-11-23 00:51:26,200 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2021-11-23 00:51:26,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:51:26,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:26,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:26,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-23 00:51:26,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:26,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3004 backedges. 1 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:27,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 92 states and 101 transitions. [2021-11-23 00:51:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2021-11-23 00:51:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 00:51:27,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:27,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:27,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-23 00:51:27,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 1 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:27,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 93 states and 102 transitions. [2021-11-23 00:51:27,986 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2021-11-23 00:51:27,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 00:51:27,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:27,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:28,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-23 00:51:28,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3161 backedges. 1 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 94 states and 103 transitions. [2021-11-23 00:51:28,929 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2021-11-23 00:51:28,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:51:28,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:28,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:29,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-23 00:51:29,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3241 backedges. 1 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2021-11-23 00:51:29,798 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2021-11-23 00:51:29,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 00:51:29,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:29,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:29,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-23 00:51:29,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:30,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3322 backedges. 1 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:30,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 96 states and 105 transitions. [2021-11-23 00:51:30,701 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2021-11-23 00:51:30,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:51:30,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:30,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:30,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-23 00:51:30,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:31,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3404 backedges. 1 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2021-11-23 00:51:31,539 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2021-11-23 00:51:31,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 00:51:31,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:31,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:31,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-23 00:51:31,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:32,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3487 backedges. 1 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:32,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:32,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 98 states and 107 transitions. [2021-11-23 00:51:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 107 transitions. [2021-11-23 00:51:32,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 00:51:32,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:32,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:32,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-23 00:51:32,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3571 backedges. 1 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:33,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:33,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 99 states and 108 transitions. [2021-11-23 00:51:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2021-11-23 00:51:33,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:51:33,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:33,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:33,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-23 00:51:33,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3656 backedges. 1 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:34,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 100 states and 109 transitions. [2021-11-23 00:51:34,229 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions. [2021-11-23 00:51:34,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 00:51:34,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:34,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:34,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-23 00:51:34,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3742 backedges. 1 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:35,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:35,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 101 states and 110 transitions. [2021-11-23 00:51:35,263 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2021-11-23 00:51:35,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 00:51:35,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:35,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:35,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-23 00:51:35,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3829 backedges. 1 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:36,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 102 states and 111 transitions. [2021-11-23 00:51:36,155 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2021-11-23 00:51:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:36,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:36,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:36,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-23 00:51:36,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:36,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3917 backedges. 1 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:37,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:37,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 103 states and 112 transitions. [2021-11-23 00:51:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 112 transitions. [2021-11-23 00:51:37,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 00:51:37,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:37,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:37,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-23 00:51:37,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:37,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4006 backedges. 1 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 104 states and 113 transitions. [2021-11-23 00:51:38,069 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2021-11-23 00:51:38,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:51:38,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:38,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:38,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-23 00:51:38,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:38,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4096 backedges. 1 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:38,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:38,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 105 states and 114 transitions. [2021-11-23 00:51:38,949 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2021-11-23 00:51:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:51:38,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:38,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:39,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-23 00:51:39,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:39,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4187 backedges. 1 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:39,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:39,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 106 states and 115 transitions. [2021-11-23 00:51:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2021-11-23 00:51:39,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:51:39,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:39,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:40,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-23 00:51:40,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:40,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4279 backedges. 1 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:41,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:41,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 107 states and 116 transitions. [2021-11-23 00:51:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2021-11-23 00:51:41,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:51:41,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:41,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:41,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-23 00:51:41,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4372 backedges. 1 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 108 states and 117 transitions. [2021-11-23 00:51:42,232 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2021-11-23 00:51:42,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 00:51:42,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:42,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:42,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-23 00:51:42,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:42,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4466 backedges. 1 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:43,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 109 states and 118 transitions. [2021-11-23 00:51:43,287 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2021-11-23 00:51:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 00:51:43,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:43,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:43,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-23 00:51:43,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4561 backedges. 1 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 110 states and 119 transitions. [2021-11-23 00:51:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2021-11-23 00:51:44,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 00:51:44,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:44,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:44,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-23 00:51:44,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4657 backedges. 1 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:45,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 111 states and 120 transitions. [2021-11-23 00:51:45,741 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 120 transitions. [2021-11-23 00:51:45,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 00:51:45,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:45,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:45,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-23 00:51:45,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4754 backedges. 1 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:46,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 112 states and 121 transitions. [2021-11-23 00:51:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 121 transitions. [2021-11-23 00:51:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:51:46,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:46,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:46,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-23 00:51:46,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4852 backedges. 1 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:47,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 113 states and 122 transitions. [2021-11-23 00:51:47,835 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2021-11-23 00:51:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:51:47,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:47,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:47,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-23 00:51:47,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4951 backedges. 1 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:48,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:48,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 114 states and 123 transitions. [2021-11-23 00:51:48,834 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2021-11-23 00:51:48,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 00:51:48,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:48,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:48,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-23 00:51:48,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:49,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5051 backedges. 1 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:49,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:49,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 115 states and 124 transitions. [2021-11-23 00:51:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 124 transitions. [2021-11-23 00:51:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:51:49,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:49,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:50,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-23 00:51:50,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5152 backedges. 1 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 116 states and 125 transitions. [2021-11-23 00:51:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 125 transitions. [2021-11-23 00:51:51,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 00:51:51,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:51,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:51,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-23 00:51:51,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5254 backedges. 1 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:52,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:52,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 117 states and 126 transitions. [2021-11-23 00:51:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 126 transitions. [2021-11-23 00:51:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:51:52,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:52,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:52,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-23 00:51:52,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5357 backedges. 1 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:53,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:53,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 118 states and 127 transitions. [2021-11-23 00:51:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 127 transitions. [2021-11-23 00:51:53,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:51:53,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:53,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:53,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-23 00:51:53,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 1 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 119 states and 128 transitions. [2021-11-23 00:51:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 128 transitions. [2021-11-23 00:51:54,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 00:51:54,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:54,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:54,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-23 00:51:54,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 5566 backedges. 1 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:55,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:55,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 120 states and 129 transitions. [2021-11-23 00:51:55,813 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 129 transitions. [2021-11-23 00:51:55,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:51:55,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:55,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:55,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-23 00:51:55,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5672 backedges. 1 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 121 states and 130 transitions. [2021-11-23 00:51:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2021-11-23 00:51:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 00:51:57,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:57,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:57,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-23 00:51:57,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5779 backedges. 1 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 122 states and 131 transitions. [2021-11-23 00:51:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 131 transitions. [2021-11-23 00:51:58,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:51:58,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:58,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:58,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-23 00:51:58,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5887 backedges. 1 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:59,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:59,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 123 states and 132 transitions. [2021-11-23 00:51:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2021-11-23 00:51:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:51:59,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:59,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:59,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-23 00:51:59,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 1 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:00,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 124 states and 133 transitions. [2021-11-23 00:52:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 133 transitions. [2021-11-23 00:52:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:52:00,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:00,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:00,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-23 00:52:00,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6106 backedges. 1 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:01,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 125 states and 134 transitions. [2021-11-23 00:52:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 134 transitions. [2021-11-23 00:52:01,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:52:01,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:01,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:02,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-23 00:52:02,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6217 backedges. 1 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:03,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:03,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 126 states and 135 transitions. [2021-11-23 00:52:03,290 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 135 transitions. [2021-11-23 00:52:03,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 00:52:03,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:03,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:03,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-23 00:52:03,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:04,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6329 backedges. 1 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:04,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 127 states and 136 transitions. [2021-11-23 00:52:04,692 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 136 transitions. [2021-11-23 00:52:04,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:52:04,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:04,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:04,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-23 00:52:04,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6442 backedges. 1 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 128 states and 137 transitions. [2021-11-23 00:52:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 137 transitions. [2021-11-23 00:52:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 00:52:06,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:06,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:06,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-23 00:52:06,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6556 backedges. 1 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:07,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 129 states and 138 transitions. [2021-11-23 00:52:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 138 transitions. [2021-11-23 00:52:07,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:52:07,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:07,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:07,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 118 conjunts are in the unsatisfiable core [2021-11-23 00:52:07,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6671 backedges. 1 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:08,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:08,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 130 states and 139 transitions. [2021-11-23 00:52:08,669 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 139 transitions. [2021-11-23 00:52:08,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 00:52:08,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:08,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:08,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-23 00:52:08,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6787 backedges. 1 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 131 states and 140 transitions. [2021-11-23 00:52:09,839 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2021-11-23 00:52:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 00:52:09,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:09,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:09,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-23 00:52:09,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6904 backedges. 1 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:11,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2021-11-23 00:52:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2021-11-23 00:52:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 00:52:11,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:11,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:11,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-23 00:52:11,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 7022 backedges. 1 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:12,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2021-11-23 00:52:12,382 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2021-11-23 00:52:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 00:52:12,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:12,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:12,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 122 conjunts are in the unsatisfiable core [2021-11-23 00:52:12,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 7141 backedges. 1 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 134 states and 143 transitions. [2021-11-23 00:52:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2021-11-23 00:52:13,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 00:52:13,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:13,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:13,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-23 00:52:13,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 1 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:14,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:14,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 135 states and 144 transitions. [2021-11-23 00:52:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 144 transitions. [2021-11-23 00:52:14,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 00:52:14,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:14,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:15,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-23 00:52:15,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 7382 backedges. 1 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 136 states and 145 transitions. [2021-11-23 00:52:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 145 transitions. [2021-11-23 00:52:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 00:52:16,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:16,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:16,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-23 00:52:16,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 7504 backedges. 1 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:17,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 137 states and 146 transitions. [2021-11-23 00:52:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 146 transitions. [2021-11-23 00:52:17,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 00:52:17,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:17,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:17,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-23 00:52:17,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 7627 backedges. 1 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:18,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 138 states and 147 transitions. [2021-11-23 00:52:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2021-11-23 00:52:18,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:52:18,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:18,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:19,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-23 00:52:19,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 1 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:20,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 139 states and 148 transitions. [2021-11-23 00:52:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2021-11-23 00:52:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 00:52:20,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:20,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:20,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-23 00:52:20,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 7876 backedges. 1 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 140 states and 149 transitions. [2021-11-23 00:52:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2021-11-23 00:52:21,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 00:52:21,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:21,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:21,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-23 00:52:21,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:22,536 INFO L134 CoverageAnalysis]: Checked inductivity of 8002 backedges. 1 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:23,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 141 states and 150 transitions. [2021-11-23 00:52:23,060 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2021-11-23 00:52:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 00:52:23,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:23,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:23,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-23 00:52:23,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:23,991 INFO L134 CoverageAnalysis]: Checked inductivity of 8129 backedges. 1 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:24,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 142 states and 151 transitions. [2021-11-23 00:52:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 151 transitions. [2021-11-23 00:52:24,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-23 00:52:24,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:24,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:24,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-23 00:52:24,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 8257 backedges. 1 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 143 states and 152 transitions. [2021-11-23 00:52:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2021-11-23 00:52:26,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:52:26,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:26,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:26,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-23 00:52:26,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 8386 backedges. 1 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 144 states and 153 transitions. [2021-11-23 00:52:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2021-11-23 00:52:27,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 00:52:27,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:27,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:27,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-23 00:52:27,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 8516 backedges. 1 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:28,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 145 states and 154 transitions. [2021-11-23 00:52:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2021-11-23 00:52:28,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 00:52:28,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:28,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:28,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-23 00:52:28,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 1 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:30,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 146 states and 155 transitions. [2021-11-23 00:52:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2021-11-23 00:52:30,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-23 00:52:30,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:30,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:30,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-23 00:52:30,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 8779 backedges. 1 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:31,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 147 states and 156 transitions. [2021-11-23 00:52:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2021-11-23 00:52:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 00:52:31,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:31,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:31,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-23 00:52:31,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 8912 backedges. 1 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:32,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 148 states and 157 transitions. [2021-11-23 00:52:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2021-11-23 00:52:32,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 00:52:32,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:32,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:33,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-23 00:52:33,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 9046 backedges. 1 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:34,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2021-11-23 00:52:34,409 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2021-11-23 00:52:34,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 00:52:34,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:34,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:34,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-23 00:52:34,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 9181 backedges. 1 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:35,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 150 states and 159 transitions. [2021-11-23 00:52:35,953 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2021-11-23 00:52:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 00:52:35,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:35,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:36,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-23 00:52:36,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 9317 backedges. 1 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:37,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 151 states and 160 transitions. [2021-11-23 00:52:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2021-11-23 00:52:37,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-23 00:52:37,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:37,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:37,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-23 00:52:37,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 9454 backedges. 1 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:38,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 152 states and 161 transitions. [2021-11-23 00:52:38,750 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 161 transitions. [2021-11-23 00:52:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:52:38,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:38,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:38,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-23 00:52:38,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:39,696 INFO L134 CoverageAnalysis]: Checked inductivity of 9592 backedges. 1 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:40,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:40,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 153 states and 162 transitions. [2021-11-23 00:52:40,281 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 162 transitions. [2021-11-23 00:52:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-23 00:52:40,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:40,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:40,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 142 conjunts are in the unsatisfiable core [2021-11-23 00:52:40,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 9731 backedges. 1 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:41,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 154 states and 163 transitions. [2021-11-23 00:52:41,777 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 163 transitions. [2021-11-23 00:52:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 00:52:41,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:41,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:41,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-23 00:52:41,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 9871 backedges. 1 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:43,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:43,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 155 states and 164 transitions. [2021-11-23 00:52:43,204 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 164 transitions. [2021-11-23 00:52:43,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:52:43,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:43,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:43,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-23 00:52:43,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 10012 backedges. 1 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 156 states and 165 transitions. [2021-11-23 00:52:44,630 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 165 transitions. [2021-11-23 00:52:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:52:44,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:44,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:44,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-23 00:52:44,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10154 backedges. 1 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:46,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 157 states and 166 transitions. [2021-11-23 00:52:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 166 transitions. [2021-11-23 00:52:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 00:52:46,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:46,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:46,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-23 00:52:46,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10297 backedges. 1 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:47,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:47,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 158 states and 167 transitions. [2021-11-23 00:52:47,651 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 167 transitions. [2021-11-23 00:52:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 00:52:47,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:47,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:47,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-23 00:52:47,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10441 backedges. 1 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 159 states and 168 transitions. [2021-11-23 00:52:49,105 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 168 transitions. [2021-11-23 00:52:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 00:52:49,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:49,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:49,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-23 00:52:49,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 10586 backedges. 1 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:50,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:50,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 160 states and 169 transitions. [2021-11-23 00:52:50,595 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 169 transitions. [2021-11-23 00:52:50,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 00:52:50,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:50,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:50,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-23 00:52:50,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 10732 backedges. 1 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 161 states and 170 transitions. [2021-11-23 00:52:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 170 transitions. [2021-11-23 00:52:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:52:52,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:52,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:52,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-23 00:52:52,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 10879 backedges. 1 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 162 states and 171 transitions. [2021-11-23 00:52:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 171 transitions. [2021-11-23 00:52:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 00:52:53,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:53,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:53,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-23 00:52:53,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:54,618 INFO L134 CoverageAnalysis]: Checked inductivity of 11027 backedges. 1 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:55,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 163 states and 172 transitions. [2021-11-23 00:52:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 172 transitions. [2021-11-23 00:52:55,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-23 00:52:55,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:55,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:55,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-23 00:52:55,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 11176 backedges. 1 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 164 states and 173 transitions. [2021-11-23 00:52:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 173 transitions. [2021-11-23 00:52:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-23 00:52:56,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:56,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:57,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-23 00:52:57,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 11326 backedges. 1 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:58,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:58,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 165 states and 174 transitions. [2021-11-23 00:52:58,480 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 174 transitions. [2021-11-23 00:52:58,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-23 00:52:58,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:58,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:58,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 154 conjunts are in the unsatisfiable core [2021-11-23 00:52:58,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 11477 backedges. 1 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:00,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 166 states and 175 transitions. [2021-11-23 00:53:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 175 transitions. [2021-11-23 00:53:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 00:53:00,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:00,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:00,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-23 00:53:00,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:01,172 INFO L134 CoverageAnalysis]: Checked inductivity of 11629 backedges. 1 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:01,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 167 states and 176 transitions. [2021-11-23 00:53:01,725 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 176 transitions. [2021-11-23 00:53:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-23 00:53:01,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:01,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:01,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-23 00:53:01,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 11782 backedges. 1 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 168 states and 177 transitions. [2021-11-23 00:53:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 177 transitions. [2021-11-23 00:53:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-23 00:53:03,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:03,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:03,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-23 00:53:03,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 11936 backedges. 1 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:05,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 169 states and 178 transitions. [2021-11-23 00:53:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 178 transitions. [2021-11-23 00:53:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-23 00:53:05,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:05,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:05,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 158 conjunts are in the unsatisfiable core [2021-11-23 00:53:05,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12091 backedges. 1 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:06,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:06,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 170 states and 179 transitions. [2021-11-23 00:53:06,569 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 179 transitions. [2021-11-23 00:53:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-23 00:53:06,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:06,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:06,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-23 00:53:06,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12247 backedges. 1 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 171 states and 180 transitions. [2021-11-23 00:53:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 180 transitions. [2021-11-23 00:53:08,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-23 00:53:08,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:08,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:08,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-23 00:53:08,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12404 backedges. 1 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:10,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 172 states and 181 transitions. [2021-11-23 00:53:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 181 transitions. [2021-11-23 00:53:10,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 00:53:10,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:10,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:10,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-23 00:53:10,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12562 backedges. 1 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:11,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:11,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 173 states and 182 transitions. [2021-11-23 00:53:11,738 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 182 transitions. [2021-11-23 00:53:11,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-23 00:53:11,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:11,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:11,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 162 conjunts are in the unsatisfiable core [2021-11-23 00:53:11,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:12,830 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 1 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:13,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 174 states and 183 transitions. [2021-11-23 00:53:13,426 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 183 transitions. [2021-11-23 00:53:13,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:53:13,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:13,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:13,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-23 00:53:13,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12881 backedges. 1 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 175 states and 184 transitions. [2021-11-23 00:53:15,197 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 184 transitions. [2021-11-23 00:53:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-23 00:53:15,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:15,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:15,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-23 00:53:15,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 13042 backedges. 1 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:17,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 176 states and 185 transitions. [2021-11-23 00:53:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 185 transitions. [2021-11-23 00:53:17,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-23 00:53:17,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:17,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:17,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-23 00:53:17,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 13204 backedges. 1 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:18,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:18,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 177 states and 186 transitions. [2021-11-23 00:53:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 186 transitions. [2021-11-23 00:53:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 00:53:18,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:18,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:18,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-23 00:53:18,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 13367 backedges. 1 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:20,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 178 states and 187 transitions. [2021-11-23 00:53:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 187 transitions. [2021-11-23 00:53:20,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 00:53:20,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:20,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:20,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-23 00:53:20,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 13531 backedges. 1 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:22,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:22,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 179 states and 188 transitions. [2021-11-23 00:53:22,724 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 188 transitions. [2021-11-23 00:53:22,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 00:53:22,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:22,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:22,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-23 00:53:22,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 13696 backedges. 1 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:24,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 180 states and 189 transitions. [2021-11-23 00:53:24,973 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 189 transitions. [2021-11-23 00:53:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:53:24,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:24,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:25,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1068 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-23 00:53:25,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:26,207 INFO L134 CoverageAnalysis]: Checked inductivity of 13862 backedges. 1 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 181 states and 190 transitions. [2021-11-23 00:53:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 190 transitions. [2021-11-23 00:53:26,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:53:26,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:26,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:27,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-23 00:53:27,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:28,230 INFO L134 CoverageAnalysis]: Checked inductivity of 14029 backedges. 1 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 182 states and 191 transitions. [2021-11-23 00:53:28,925 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 191 transitions. [2021-11-23 00:53:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 00:53:28,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:28,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:29,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 1080 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-23 00:53:29,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 14197 backedges. 1 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:31,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 183 states and 192 transitions. [2021-11-23 00:53:31,065 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 192 transitions. [2021-11-23 00:53:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-23 00:53:31,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:31,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:31,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-23 00:53:31,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:32,509 INFO L134 CoverageAnalysis]: Checked inductivity of 14366 backedges. 1 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:33,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:33,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 184 states and 193 transitions. [2021-11-23 00:53:33,295 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 193 transitions. [2021-11-23 00:53:33,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 00:53:33,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:33,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:33,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-23 00:53:33,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 14536 backedges. 1 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:35,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 185 states and 194 transitions. [2021-11-23 00:53:35,339 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 194 transitions. [2021-11-23 00:53:35,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-23 00:53:35,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:35,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:35,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 174 conjunts are in the unsatisfiable core [2021-11-23 00:53:35,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 14707 backedges. 1 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 186 states and 195 transitions. [2021-11-23 00:53:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 195 transitions. [2021-11-23 00:53:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-23 00:53:37,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:37,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:37,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-23 00:53:37,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14879 backedges. 1 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 187 states and 196 transitions. [2021-11-23 00:53:39,468 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 196 transitions. [2021-11-23 00:53:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-23 00:53:39,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:39,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:39,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-23 00:53:39,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 15052 backedges. 1 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:41,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 188 states and 197 transitions. [2021-11-23 00:53:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 197 transitions. [2021-11-23 00:53:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-23 00:53:41,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:41,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:42,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-23 00:53:42,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 15226 backedges. 1 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:43,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 189 states and 198 transitions. [2021-11-23 00:53:43,946 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 198 transitions. [2021-11-23 00:53:43,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-23 00:53:43,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:43,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:44,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 178 conjunts are in the unsatisfiable core [2021-11-23 00:53:44,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 15401 backedges. 1 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:46,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 190 states and 199 transitions. [2021-11-23 00:53:46,066 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 199 transitions. [2021-11-23 00:53:46,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 00:53:46,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:46,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:46,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-23 00:53:46,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 15577 backedges. 1 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 191 states and 200 transitions. [2021-11-23 00:53:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 200 transitions. [2021-11-23 00:53:47,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-23 00:53:47,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:47,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:48,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-23 00:53:48,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 15754 backedges. 1 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:49,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 192 states and 201 transitions. [2021-11-23 00:53:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 201 transitions. [2021-11-23 00:53:49,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 00:53:49,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:49,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:50,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-23 00:53:50,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 15932 backedges. 1 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:51,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:51,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 193 states and 202 transitions. [2021-11-23 00:53:51,810 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 202 transitions. [2021-11-23 00:53:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 00:53:51,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:51,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:51,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-23 00:53:51,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 16111 backedges. 1 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 194 states and 203 transitions. [2021-11-23 00:53:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 203 transitions. [2021-11-23 00:53:53,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-23 00:53:53,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:53,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:54,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-23 00:53:54,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 16291 backedges. 1 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:56,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 195 states and 204 transitions. [2021-11-23 00:53:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 204 transitions. [2021-11-23 00:53:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-23 00:53:56,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:56,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:56,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-23 00:53:56,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 16472 backedges. 1 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:57,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 196 states and 205 transitions. [2021-11-23 00:53:57,905 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 205 transitions. [2021-11-23 00:53:57,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-23 00:53:57,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:57,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:58,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-23 00:53:58,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 16654 backedges. 1 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:59,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 197 states and 206 transitions. [2021-11-23 00:53:59,806 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 206 transitions. [2021-11-23 00:53:59,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 00:53:59,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:59,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:59,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 186 conjunts are in the unsatisfiable core [2021-11-23 00:53:59,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:01,097 INFO L134 CoverageAnalysis]: Checked inductivity of 16837 backedges. 1 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:01,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 198 states and 207 transitions. [2021-11-23 00:54:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 207 transitions. [2021-11-23 00:54:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-23 00:54:01,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:01,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:01,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-23 00:54:01,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 17021 backedges. 1 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 199 states and 208 transitions. [2021-11-23 00:54:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 208 transitions. [2021-11-23 00:54:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-23 00:54:03,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:03,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:04,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-23 00:54:04,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:05,062 INFO L134 CoverageAnalysis]: Checked inductivity of 17206 backedges. 1 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:05,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:05,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 200 states and 209 transitions. [2021-11-23 00:54:05,760 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 209 transitions. [2021-11-23 00:54:05,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-23 00:54:05,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:05,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:05,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-23 00:54:05,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 17392 backedges. 1 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 201 states and 210 transitions. [2021-11-23 00:54:07,702 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 210 transitions. [2021-11-23 00:54:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-23 00:54:07,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:07,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:07,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 190 conjunts are in the unsatisfiable core [2021-11-23 00:54:07,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 17579 backedges. 1 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:09,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 202 states and 211 transitions. [2021-11-23 00:54:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 211 transitions. [2021-11-23 00:54:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-23 00:54:09,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:09,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:10,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-23 00:54:10,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 17767 backedges. 1 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:11,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 203 states and 212 transitions. [2021-11-23 00:54:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 212 transitions. [2021-11-23 00:54:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-23 00:54:11,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:11,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:11,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-23 00:54:11,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 17956 backedges. 1 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:13,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 204 states and 213 transitions. [2021-11-23 00:54:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 213 transitions. [2021-11-23 00:54:13,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 00:54:13,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:13,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:13,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-23 00:54:13,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 18146 backedges. 1 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:15,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:15,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 205 states and 214 transitions. [2021-11-23 00:54:15,739 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 214 transitions. [2021-11-23 00:54:15,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-23 00:54:15,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:15,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:16,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 194 conjunts are in the unsatisfiable core [2021-11-23 00:54:16,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 18337 backedges. 1 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:17,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 206 states and 215 transitions. [2021-11-23 00:54:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 215 transitions. [2021-11-23 00:54:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-23 00:54:17,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:17,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:17,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-23 00:54:17,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 18529 backedges. 1 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:19,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:19,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 207 states and 216 transitions. [2021-11-23 00:54:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 216 transitions. [2021-11-23 00:54:19,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-23 00:54:19,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:19,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:19,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-23 00:54:19,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 18722 backedges. 1 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:21,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:21,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 208 states and 217 transitions. [2021-11-23 00:54:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 217 transitions. [2021-11-23 00:54:21,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-23 00:54:21,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:21,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:22,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-23 00:54:22,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:23,308 INFO L134 CoverageAnalysis]: Checked inductivity of 18916 backedges. 1 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:24,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 209 states and 218 transitions. [2021-11-23 00:54:24,081 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 218 transitions. [2021-11-23 00:54:24,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-23 00:54:24,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:24,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:24,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 198 conjunts are in the unsatisfiable core [2021-11-23 00:54:24,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 19111 backedges. 1 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 210 states and 219 transitions. [2021-11-23 00:54:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 219 transitions. [2021-11-23 00:54:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 00:54:26,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:26,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:26,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-23 00:54:26,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 19307 backedges. 1 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 211 states and 220 transitions. [2021-11-23 00:54:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 220 transitions. [2021-11-23 00:54:28,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-23 00:54:28,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:28,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:28,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-23 00:54:28,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 19504 backedges. 1 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 212 states and 221 transitions. [2021-11-23 00:54:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 221 transitions. [2021-11-23 00:54:30,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-23 00:54:30,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-23 00:54:30,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 19702 backedges. 1 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:32,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:32,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 213 states and 222 transitions. [2021-11-23 00:54:32,557 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 222 transitions. [2021-11-23 00:54:32,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-23 00:54:32,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:32,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:32,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 202 conjunts are in the unsatisfiable core [2021-11-23 00:54:32,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 19901 backedges. 1 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:34,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:34,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 214 states and 223 transitions. [2021-11-23 00:54:34,609 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 223 transitions. [2021-11-23 00:54:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-23 00:54:34,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:34,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:34,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-23 00:54:34,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 20101 backedges. 1 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 215 states and 224 transitions. [2021-11-23 00:54:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 224 transitions. [2021-11-23 00:54:36,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-23 00:54:36,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:36,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:36,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-23 00:54:36,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20302 backedges. 1 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 216 states and 225 transitions. [2021-11-23 00:54:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 225 transitions. [2021-11-23 00:54:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-23 00:54:39,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:39,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:39,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-23 00:54:39,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:40,423 INFO L134 CoverageAnalysis]: Checked inductivity of 20504 backedges. 1 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 217 states and 226 transitions. [2021-11-23 00:54:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 226 transitions. [2021-11-23 00:54:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-23 00:54:41,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:41,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:41,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-23 00:54:41,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20707 backedges. 1 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:43,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:43,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 218 states and 227 transitions. [2021-11-23 00:54:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 227 transitions. [2021-11-23 00:54:43,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-23 00:54:43,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:43,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:43,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-23 00:54:43,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 20911 backedges. 1 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:45,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:45,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 219 states and 228 transitions. [2021-11-23 00:54:45,789 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 228 transitions. [2021-11-23 00:54:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-23 00:54:45,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:45,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:45,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-23 00:54:45,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:47,417 INFO L134 CoverageAnalysis]: Checked inductivity of 21116 backedges. 1 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 220 states and 229 transitions. [2021-11-23 00:54:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 229 transitions. [2021-11-23 00:54:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-23 00:54:48,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:48,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:48,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-23 00:54:48,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:49,542 INFO L134 CoverageAnalysis]: Checked inductivity of 21322 backedges. 1 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 221 states and 230 transitions. [2021-11-23 00:54:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 230 transitions. [2021-11-23 00:54:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-23 00:54:50,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:50,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:50,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-23 00:54:50,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 21529 backedges. 1 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 222 states and 231 transitions. [2021-11-23 00:54:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 231 transitions. [2021-11-23 00:54:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-23 00:54:52,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:52,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:52,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-23 00:54:52,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 21737 backedges. 1 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 223 states and 232 transitions. [2021-11-23 00:54:54,797 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 232 transitions. [2021-11-23 00:54:54,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-23 00:54:54,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:54,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:54,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-23 00:54:55,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:56,343 INFO L134 CoverageAnalysis]: Checked inductivity of 21946 backedges. 1 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 224 states and 233 transitions. [2021-11-23 00:54:57,149 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 233 transitions. [2021-11-23 00:54:57,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-23 00:54:57,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:57,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:57,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-23 00:54:57,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 22156 backedges. 1 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:59,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:59,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 225 states and 234 transitions. [2021-11-23 00:54:59,279 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 234 transitions. [2021-11-23 00:54:59,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-23 00:54:59,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:59,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:59,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 214 conjunts are in the unsatisfiable core [2021-11-23 00:54:59,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22367 backedges. 1 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:01,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 226 states and 235 transitions. [2021-11-23 00:55:01,628 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 235 transitions. [2021-11-23 00:55:01,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 00:55:01,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:01,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:01,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-23 00:55:01,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:03,204 INFO L134 CoverageAnalysis]: Checked inductivity of 22579 backedges. 1 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:04,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 227 states and 236 transitions. [2021-11-23 00:55:04,113 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 236 transitions. [2021-11-23 00:55:04,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-23 00:55:04,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:04,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:04,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-23 00:55:04,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 22792 backedges. 1 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:06,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:06,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 228 states and 237 transitions. [2021-11-23 00:55:06,223 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 237 transitions. [2021-11-23 00:55:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-23 00:55:06,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:06,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:06,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-23 00:55:06,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 23006 backedges. 1 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:08,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 229 states and 238 transitions. [2021-11-23 00:55:08,510 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 238 transitions. [2021-11-23 00:55:08,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-23 00:55:08,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:08,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:08,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 1362 conjuncts, 218 conjunts are in the unsatisfiable core [2021-11-23 00:55:08,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 23221 backedges. 1 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:10,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 230 states and 239 transitions. [2021-11-23 00:55:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 239 transitions. [2021-11-23 00:55:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-23 00:55:10,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:10,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:11,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-23 00:55:11,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:12,550 INFO L134 CoverageAnalysis]: Checked inductivity of 23437 backedges. 1 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 231 states and 240 transitions. [2021-11-23 00:55:13,368 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 240 transitions. [2021-11-23 00:55:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-23 00:55:13,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:13,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-23 00:55:13,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 23654 backedges. 1 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 232 states and 241 transitions. [2021-11-23 00:55:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 241 transitions. [2021-11-23 00:55:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-23 00:55:15,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:15,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:15,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-23 00:55:15,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:17,161 INFO L134 CoverageAnalysis]: Checked inductivity of 23872 backedges. 1 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:17,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:17,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 233 states and 242 transitions. [2021-11-23 00:55:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 242 transitions. [2021-11-23 00:55:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-23 00:55:17,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:17,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:18,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-23 00:55:18,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:19,624 INFO L134 CoverageAnalysis]: Checked inductivity of 24091 backedges. 1 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:20,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 234 states and 243 transitions. [2021-11-23 00:55:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 243 transitions. [2021-11-23 00:55:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-23 00:55:20,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:20,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:20,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-23 00:55:20,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:22,002 INFO L134 CoverageAnalysis]: Checked inductivity of 24311 backedges. 1 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:22,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:22,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 235 states and 244 transitions. [2021-11-23 00:55:22,839 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 244 transitions. [2021-11-23 00:55:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-23 00:55:22,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:22,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:23,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-23 00:55:23,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 24532 backedges. 1 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:25,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 236 states and 245 transitions. [2021-11-23 00:55:25,153 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 245 transitions. [2021-11-23 00:55:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-23 00:55:25,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:25,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:25,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-23 00:55:25,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 24754 backedges. 1 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 237 states and 246 transitions. [2021-11-23 00:55:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 246 transitions. [2021-11-23 00:55:27,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-23 00:55:27,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:27,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:27,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 226 conjunts are in the unsatisfiable core [2021-11-23 00:55:27,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 24977 backedges. 1 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:30,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 238 states and 247 transitions. [2021-11-23 00:55:30,130 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 247 transitions. [2021-11-23 00:55:30,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-23 00:55:30,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:30,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:30,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-23 00:55:30,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 25201 backedges. 1 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:32,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 239 states and 248 transitions. [2021-11-23 00:55:32,481 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 248 transitions. [2021-11-23 00:55:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-23 00:55:32,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:32,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:32,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-23 00:55:32,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 25426 backedges. 1 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 240 states and 249 transitions. [2021-11-23 00:55:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 249 transitions. [2021-11-23 00:55:34,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-23 00:55:34,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:34,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:35,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-23 00:55:35,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 25652 backedges. 1 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:37,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 241 states and 250 transitions. [2021-11-23 00:55:37,738 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 250 transitions. [2021-11-23 00:55:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 00:55:37,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:37,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:37,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 1434 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-23 00:55:37,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 25879 backedges. 1 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:40,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 242 states and 251 transitions. [2021-11-23 00:55:40,063 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 251 transitions. [2021-11-23 00:55:40,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-23 00:55:40,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:40,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:40,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-23 00:55:40,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:41,622 INFO L134 CoverageAnalysis]: Checked inductivity of 26107 backedges. 1 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:42,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:42,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 243 states and 252 transitions. [2021-11-23 00:55:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 252 transitions. [2021-11-23 00:55:42,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-23 00:55:42,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:42,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:42,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-23 00:55:42,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:44,204 INFO L134 CoverageAnalysis]: Checked inductivity of 26336 backedges. 1 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:45,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 244 states and 253 transitions. [2021-11-23 00:55:45,180 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 253 transitions. [2021-11-23 00:55:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-23 00:55:45,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:45,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:45,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-23 00:55:45,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 26566 backedges. 1 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:47,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:47,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 245 states and 254 transitions. [2021-11-23 00:55:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 254 transitions. [2021-11-23 00:55:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-23 00:55:47,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:47,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:47,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-23 00:55:47,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 26797 backedges. 1 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:49,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 246 states and 255 transitions. [2021-11-23 00:55:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 255 transitions. [2021-11-23 00:55:49,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-23 00:55:49,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:49,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:50,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 1464 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-23 00:55:50,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 27029 backedges. 1 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 247 states and 256 transitions. [2021-11-23 00:55:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 256 transitions. [2021-11-23 00:55:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-23 00:55:52,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:52,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:53,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-23 00:55:53,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:54,390 INFO L134 CoverageAnalysis]: Checked inductivity of 27262 backedges. 1 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:55,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:55,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 248 states and 257 transitions. [2021-11-23 00:55:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 257 transitions. [2021-11-23 00:55:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:55:55,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:55,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:55,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-23 00:55:55,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:56,912 INFO L134 CoverageAnalysis]: Checked inductivity of 27496 backedges. 1 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:57,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:57,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 249 states and 258 transitions. [2021-11-23 00:55:57,825 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 258 transitions. [2021-11-23 00:55:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-23 00:55:57,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:57,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:58,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 238 conjunts are in the unsatisfiable core [2021-11-23 00:55:58,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 27731 backedges. 1 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:00,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 250 states and 259 transitions. [2021-11-23 00:56:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 259 transitions. [2021-11-23 00:56:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-23 00:56:00,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:00,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:00,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 1488 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-23 00:56:00,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 27967 backedges. 1 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 251 states and 260 transitions. [2021-11-23 00:56:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 260 transitions. [2021-11-23 00:56:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-23 00:56:03,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:03,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:03,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1494 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-23 00:56:03,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 28204 backedges. 1 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:05,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:05,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 252 states and 261 transitions. [2021-11-23 00:56:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 261 transitions. [2021-11-23 00:56:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-23 00:56:05,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:05,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:06,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-23 00:56:06,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:07,589 INFO L134 CoverageAnalysis]: Checked inductivity of 28442 backedges. 1 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:08,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 253 states and 262 transitions. [2021-11-23 00:56:08,570 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 262 transitions. [2021-11-23 00:56:08,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-23 00:56:08,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:08,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:08,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 1506 conjuncts, 242 conjunts are in the unsatisfiable core [2021-11-23 00:56:08,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 28681 backedges. 1 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:11,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 254 states and 263 transitions. [2021-11-23 00:56:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 263 transitions. [2021-11-23 00:56:11,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-23 00:56:11,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:11,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:11,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1512 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-23 00:56:11,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:12,969 INFO L134 CoverageAnalysis]: Checked inductivity of 28921 backedges. 1 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:13,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 255 states and 264 transitions. [2021-11-23 00:56:13,900 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 264 transitions. [2021-11-23 00:56:13,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-23 00:56:13,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:13,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:14,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-23 00:56:14,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 29162 backedges. 1 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:16,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:16,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 256 states and 265 transitions. [2021-11-23 00:56:16,638 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 265 transitions. [2021-11-23 00:56:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-23 00:56:16,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:16,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:16,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-23 00:56:16,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:18,425 INFO L134 CoverageAnalysis]: Checked inductivity of 29404 backedges. 1 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 257 states and 266 transitions. [2021-11-23 00:56:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 266 transitions. [2021-11-23 00:56:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-23 00:56:19,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:19,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:19,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 246 conjunts are in the unsatisfiable core [2021-11-23 00:56:19,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:20,993 INFO L134 CoverageAnalysis]: Checked inductivity of 29647 backedges. 1 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:21,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 258 states and 267 transitions. [2021-11-23 00:56:21,935 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 267 transitions. [2021-11-23 00:56:21,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-23 00:56:21,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:21,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:22,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1536 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-23 00:56:22,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 29891 backedges. 1 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:24,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 259 states and 268 transitions. [2021-11-23 00:56:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 268 transitions. [2021-11-23 00:56:24,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-23 00:56:24,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:24,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:24,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-23 00:56:24,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30136 backedges. 1 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 260 states and 269 transitions. [2021-11-23 00:56:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 269 transitions. [2021-11-23 00:56:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-23 00:56:27,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:27,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:27,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 1548 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-23 00:56:27,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30382 backedges. 1 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:30,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:30,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 261 states and 270 transitions. [2021-11-23 00:56:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 270 transitions. [2021-11-23 00:56:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-23 00:56:30,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:30,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:30,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1554 conjuncts, 250 conjunts are in the unsatisfiable core [2021-11-23 00:56:30,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:31,973 INFO L134 CoverageAnalysis]: Checked inductivity of 30629 backedges. 1 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:32,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 262 states and 271 transitions. [2021-11-23 00:56:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 271 transitions. [2021-11-23 00:56:32,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-23 00:56:32,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:32,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:33,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 1560 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-23 00:56:33,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:34,867 INFO L134 CoverageAnalysis]: Checked inductivity of 30877 backedges. 1 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:35,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:35,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 263 states and 272 transitions. [2021-11-23 00:56:35,835 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 272 transitions. [2021-11-23 00:56:35,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-23 00:56:35,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:35,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:36,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 1566 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-23 00:56:36,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:37,495 INFO L134 CoverageAnalysis]: Checked inductivity of 31126 backedges. 1 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 264 states and 273 transitions. [2021-11-23 00:56:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 273 transitions. [2021-11-23 00:56:38,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-23 00:56:38,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:38,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:38,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 1572 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-23 00:56:38,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 31376 backedges. 1 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:41,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 265 states and 274 transitions. [2021-11-23 00:56:41,281 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 274 transitions. [2021-11-23 00:56:41,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-23 00:56:41,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:41,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:41,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-23 00:56:41,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 31627 backedges. 1 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 266 states and 275 transitions. [2021-11-23 00:56:44,352 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 275 transitions. [2021-11-23 00:56:44,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-23 00:56:44,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:44,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:44,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-23 00:56:44,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 31879 backedges. 1 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:47,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 267 states and 276 transitions. [2021-11-23 00:56:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 276 transitions. [2021-11-23 00:56:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-23 00:56:47,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:47,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:47,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-23 00:56:47,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 32132 backedges. 1 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 268 states and 277 transitions. [2021-11-23 00:56:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 277 transitions. [2021-11-23 00:56:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-23 00:56:50,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:50,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:50,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-23 00:56:50,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 32386 backedges. 1 proven. 32385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:53,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 269 states and 278 transitions. [2021-11-23 00:56:53,114 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 278 transitions. [2021-11-23 00:56:53,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-23 00:56:53,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:53,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:53,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-23 00:56:53,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:54,775 INFO L134 CoverageAnalysis]: Checked inductivity of 32641 backedges. 1 proven. 32640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:55,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 270 states and 279 transitions. [2021-11-23 00:56:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 279 transitions. [2021-11-23 00:56:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-23 00:56:55,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:55,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:56,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 1608 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-23 00:56:56,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 32897 backedges. 1 proven. 32896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:58,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 271 states and 280 transitions. [2021-11-23 00:56:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 280 transitions. [2021-11-23 00:56:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-23 00:56:58,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:58,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:59,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1614 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-23 00:56:59,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 33154 backedges. 1 proven. 33153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 272 states and 281 transitions. [2021-11-23 00:57:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 281 transitions. [2021-11-23 00:57:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-23 00:57:02,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:02,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:02,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 1620 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-23 00:57:02,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 33412 backedges. 1 proven. 33411 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:04,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 273 states and 282 transitions. [2021-11-23 00:57:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 282 transitions. [2021-11-23 00:57:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-23 00:57:04,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:04,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:04,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 1626 conjuncts, 262 conjunts are in the unsatisfiable core [2021-11-23 00:57:04,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 33671 backedges. 1 proven. 33670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:07,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:07,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 274 states and 283 transitions. [2021-11-23 00:57:07,593 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 283 transitions. [2021-11-23 00:57:07,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-23 00:57:07,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:07,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:07,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 1632 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-23 00:57:07,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 33931 backedges. 1 proven. 33930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:10,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:10,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 275 states and 284 transitions. [2021-11-23 00:57:10,704 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 284 transitions. [2021-11-23 00:57:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-23 00:57:10,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:10,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:11,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 1638 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-23 00:57:11,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 34192 backedges. 1 proven. 34191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 276 states and 285 transitions. [2021-11-23 00:57:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 285 transitions. [2021-11-23 00:57:13,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-23 00:57:13,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:13,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:13,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 1644 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-23 00:57:13,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 34454 backedges. 1 proven. 34453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:16,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:16,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 277 states and 286 transitions. [2021-11-23 00:57:16,499 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 286 transitions. [2021-11-23 00:57:16,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-23 00:57:16,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:16,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:16,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 1650 conjuncts, 266 conjunts are in the unsatisfiable core [2021-11-23 00:57:16,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 34717 backedges. 1 proven. 34716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 278 states and 287 transitions. [2021-11-23 00:57:19,605 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 287 transitions. [2021-11-23 00:57:19,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-23 00:57:19,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:19,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:19,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-23 00:57:19,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:21,907 INFO L134 CoverageAnalysis]: Checked inductivity of 34981 backedges. 1 proven. 34980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:22,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:22,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 279 states and 288 transitions. [2021-11-23 00:57:22,932 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 288 transitions. [2021-11-23 00:57:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-23 00:57:22,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:22,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:23,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 1662 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-23 00:57:23,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 35246 backedges. 1 proven. 35245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 280 states and 289 transitions. [2021-11-23 00:57:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 289 transitions. [2021-11-23 00:57:25,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-23 00:57:25,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:26,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 1668 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-23 00:57:26,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 35512 backedges. 1 proven. 35511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:28,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 281 states and 290 transitions. [2021-11-23 00:57:28,723 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 290 transitions. [2021-11-23 00:57:28,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-23 00:57:28,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:28,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:28,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 1674 conjuncts, 270 conjunts are in the unsatisfiable core [2021-11-23 00:57:28,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 35779 backedges. 1 proven. 35778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 282 states and 291 transitions. [2021-11-23 00:57:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 291 transitions. [2021-11-23 00:57:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-23 00:57:32,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:32,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:32,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1680 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-23 00:57:32,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 36047 backedges. 1 proven. 36046 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:34,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:34,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 283 states and 292 transitions. [2021-11-23 00:57:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 292 transitions. [2021-11-23 00:57:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-23 00:57:34,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:34,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:35,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 1686 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-23 00:57:35,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 36316 backedges. 1 proven. 36315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:37,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 284 states and 293 transitions. [2021-11-23 00:57:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 293 transitions. [2021-11-23 00:57:37,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-23 00:57:37,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:37,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:38,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1692 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-23 00:57:38,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 36586 backedges. 1 proven. 36585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:41,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 285 states and 294 transitions. [2021-11-23 00:57:41,137 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 294 transitions. [2021-11-23 00:57:41,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-23 00:57:41,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:41,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:41,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 1698 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-23 00:57:41,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 36857 backedges. 1 proven. 36856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:44,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 286 states and 295 transitions. [2021-11-23 00:57:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 295 transitions. [2021-11-23 00:57:44,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-23 00:57:44,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:44,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:44,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 1704 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-23 00:57:44,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 37129 backedges. 1 proven. 37128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:47,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 287 states and 296 transitions. [2021-11-23 00:57:47,250 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 296 transitions. [2021-11-23 00:57:47,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-23 00:57:47,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:47,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:47,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1710 conjuncts, 276 conjunts are in the unsatisfiable core [2021-11-23 00:57:47,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 37402 backedges. 1 proven. 37401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 288 states and 297 transitions. [2021-11-23 00:57:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2021-11-23 00:57:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-23 00:57:50,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:50,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:50,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-23 00:57:50,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 37676 backedges. 1 proven. 37675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:53,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 289 states and 298 transitions. [2021-11-23 00:57:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 298 transitions. [2021-11-23 00:57:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-23 00:57:53,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:53,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:53,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 278 conjunts are in the unsatisfiable core [2021-11-23 00:57:53,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 37951 backedges. 1 proven. 37950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:56,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:56,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 290 states and 299 transitions. [2021-11-23 00:57:56,818 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 299 transitions. [2021-11-23 00:57:56,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-23 00:57:56,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:56,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:57,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1728 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-23 00:57:57,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 38227 backedges. 1 proven. 38226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 291 states and 300 transitions. [2021-11-23 00:57:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 300 transitions. [2021-11-23 00:57:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-23 00:57:59,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:59,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:00,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 1734 conjuncts, 280 conjunts are in the unsatisfiable core [2021-11-23 00:58:00,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 38504 backedges. 1 proven. 38503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:03,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 292 states and 301 transitions. [2021-11-23 00:58:03,177 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 301 transitions. [2021-11-23 00:58:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-23 00:58:03,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 1740 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-23 00:58:03,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 38782 backedges. 1 proven. 38781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 293 states and 302 transitions. [2021-11-23 00:58:06,566 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 302 transitions. [2021-11-23 00:58:06,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-23 00:58:06,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1746 conjuncts, 282 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 39061 backedges. 1 proven. 39060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 294 states and 303 transitions. [2021-11-23 00:58:09,907 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 303 transitions. [2021-11-23 00:58:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-23 00:58:09,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 1752 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 39341 backedges. 1 proven. 39340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 295 states and 304 transitions. [2021-11-23 00:58:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 304 transitions. [2021-11-23 00:58:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-23 00:58:13,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 284 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 39622 backedges. 1 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 296 states and 305 transitions. [2021-11-23 00:58:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 305 transitions. [2021-11-23 00:58:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-23 00:58:16,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 1764 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 39904 backedges. 1 proven. 39903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 297 states and 306 transitions. [2021-11-23 00:58:19,508 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 306 transitions. [2021-11-23 00:58:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-23 00:58:19,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 1770 conjuncts, 286 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,870 INFO L134 CoverageAnalysis]: Checked inductivity of 40187 backedges. 1 proven. 40186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 298 states and 307 transitions. [2021-11-23 00:58:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 307 transitions. [2021-11-23 00:58:23,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-23 00:58:23,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 40471 backedges. 1 proven. 40470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 299 states and 308 transitions. [2021-11-23 00:58:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 308 transitions. [2021-11-23 00:58:26,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-23 00:58:26,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 1782 conjuncts, 288 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,323 INFO L134 CoverageAnalysis]: Checked inductivity of 40756 backedges. 1 proven. 40755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 300 states and 309 transitions. [2021-11-23 00:58:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 309 transitions. [2021-11-23 00:58:29,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-23 00:58:29,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1788 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 41042 backedges. 1 proven. 41041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 301 states and 310 transitions. [2021-11-23 00:58:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 310 transitions. [2021-11-23 00:58:32,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-23 00:58:32,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 290 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 41329 backedges. 1 proven. 41328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 302 states and 311 transitions. [2021-11-23 00:58:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 311 transitions. [2021-11-23 00:58:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-23 00:58:35,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1800 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 41617 backedges. 1 proven. 41616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 303 states and 312 transitions. [2021-11-23 00:58:39,196 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 312 transitions. [2021-11-23 00:58:39,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-23 00:58:39,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1806 conjuncts, 292 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 41906 backedges. 1 proven. 41905 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 304 states and 313 transitions. [2021-11-23 00:58:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 313 transitions. [2021-11-23 00:58:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-23 00:58:42,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 1812 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,703 INFO L134 CoverageAnalysis]: Checked inductivity of 42196 backedges. 1 proven. 42195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 305 states and 314 transitions. [2021-11-23 00:58:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 314 transitions. [2021-11-23 00:58:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-23 00:58:46,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1818 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 42487 backedges. 1 proven. 42486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 306 states and 315 transitions. [2021-11-23 00:58:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 315 transitions. [2021-11-23 00:58:49,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-23 00:58:49,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,402 INFO L134 CoverageAnalysis]: Checked inductivity of 42779 backedges. 1 proven. 42778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 307 states and 316 transitions. [2021-11-23 00:58:52,815 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 316 transitions. [2021-11-23 00:58:52,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-23 00:58:52,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 1830 conjuncts, 296 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 43072 backedges. 1 proven. 43071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 308 states and 317 transitions. [2021-11-23 00:58:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 317 transitions. [2021-11-23 00:58:55,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-23 00:58:55,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 1836 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 43366 backedges. 1 proven. 43365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 309 states and 318 transitions. [2021-11-23 00:58:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 318 transitions. [2021-11-23 00:58:59,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-23 00:58:59,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1842 conjuncts, 298 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 43661 backedges. 1 proven. 43660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 310 states and 319 transitions. [2021-11-23 00:59:02,769 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 319 transitions. [2021-11-23 00:59:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-23 00:59:02,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:03,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 1848 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-23 00:59:03,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 43957 backedges. 1 proven. 43956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:06,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:06,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 311 states and 320 transitions. [2021-11-23 00:59:06,362 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 320 transitions. [2021-11-23 00:59:06,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-23 00:59:06,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:06,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:06,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 1854 conjuncts, 300 conjunts are in the unsatisfiable core [2021-11-23 00:59:06,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:08,360 INFO L134 CoverageAnalysis]: Checked inductivity of 44254 backedges. 1 proven. 44253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:09,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:09,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 312 states and 321 transitions. [2021-11-23 00:59:09,604 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 321 transitions. [2021-11-23 00:59:09,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-23 00:59:09,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:09,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:09,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 1860 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-23 00:59:09,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 44552 backedges. 1 proven. 44551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:13,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:13,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 313 states and 322 transitions. [2021-11-23 00:59:13,100 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 322 transitions. [2021-11-23 00:59:13,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-23 00:59:13,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:13,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:13,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1866 conjuncts, 302 conjunts are in the unsatisfiable core [2021-11-23 00:59:13,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 44851 backedges. 1 proven. 44850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 314 states and 323 transitions. [2021-11-23 00:59:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 323 transitions. [2021-11-23 00:59:16,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-23 00:59:16,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:16,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:16,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 1872 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-23 00:59:16,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 45151 backedges. 1 proven. 45150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:20,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 315 states and 324 transitions. [2021-11-23 00:59:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 324 transitions. [2021-11-23 00:59:20,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-23 00:59:20,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:20,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:20,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 304 conjunts are in the unsatisfiable core [2021-11-23 00:59:20,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 45452 backedges. 1 proven. 45451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 316 states and 325 transitions. [2021-11-23 00:59:23,648 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 325 transitions. [2021-11-23 00:59:23,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-23 00:59:23,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:23,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:23,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 1884 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-23 00:59:23,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 45754 backedges. 1 proven. 45753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:27,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 317 states and 326 transitions. [2021-11-23 00:59:27,343 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 326 transitions. [2021-11-23 00:59:27,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-23 00:59:27,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:27,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:27,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1890 conjuncts, 306 conjunts are in the unsatisfiable core [2021-11-23 00:59:27,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:29,517 INFO L134 CoverageAnalysis]: Checked inductivity of 46057 backedges. 1 proven. 46056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:30,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:30,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 318 states and 327 transitions. [2021-11-23 00:59:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 327 transitions. [2021-11-23 00:59:30,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-23 00:59:30,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:30,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:31,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 1896 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-23 00:59:31,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 46361 backedges. 1 proven. 46360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:34,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:34,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 319 states and 328 transitions. [2021-11-23 00:59:34,528 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 328 transitions. [2021-11-23 00:59:34,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-23 00:59:34,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:34,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:34,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 1902 conjuncts, 308 conjunts are in the unsatisfiable core [2021-11-23 00:59:34,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 46666 backedges. 1 proven. 46665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:37,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 320 states and 329 transitions. [2021-11-23 00:59:37,887 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 329 transitions. [2021-11-23 00:59:38,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-23 00:59:38,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:38,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:38,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1908 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-23 00:59:38,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 46972 backedges. 1 proven. 46971 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:41,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 321 states and 330 transitions. [2021-11-23 00:59:41,416 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 330 transitions. [2021-11-23 00:59:41,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-23 00:59:41,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:41,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:41,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 1914 conjuncts, 310 conjunts are in the unsatisfiable core [2021-11-23 00:59:41,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 47279 backedges. 1 proven. 47278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 322 states and 331 transitions. [2021-11-23 00:59:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 331 transitions. [2021-11-23 00:59:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-23 00:59:45,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:45,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:45,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1920 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-23 00:59:45,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:47,392 INFO L134 CoverageAnalysis]: Checked inductivity of 47587 backedges. 1 proven. 47586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:48,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 323 states and 332 transitions. [2021-11-23 00:59:48,600 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 332 transitions. [2021-11-23 00:59:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-23 00:59:48,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:48,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:48,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 1926 conjuncts, 312 conjunts are in the unsatisfiable core [2021-11-23 00:59:49,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 47896 backedges. 1 proven. 47895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 324 states and 333 transitions. [2021-11-23 00:59:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 333 transitions. [2021-11-23 00:59:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-23 00:59:51,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:51,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:52,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 1932 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-23 00:59:52,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 48206 backedges. 1 proven. 48205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 325 states and 334 transitions. [2021-11-23 00:59:55,236 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 334 transitions. [2021-11-23 00:59:55,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-23 00:59:55,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:55,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:55,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 1938 conjuncts, 314 conjunts are in the unsatisfiable core [2021-11-23 00:59:55,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 48517 backedges. 1 proven. 48516 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:58,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 326 states and 335 transitions. [2021-11-23 00:59:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 335 transitions. [2021-11-23 00:59:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-23 00:59:58,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:58,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:58,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 1944 conjuncts, 315 conjunts are in the unsatisfiable core [2021-11-23 00:59:58,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 48829 backedges. 1 proven. 48828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:01,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 327 states and 336 transitions. [2021-11-23 01:00:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 336 transitions. [2021-11-23 01:00:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-23 01:00:01,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:01,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:02,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 1950 conjuncts, 316 conjunts are in the unsatisfiable core [2021-11-23 01:00:02,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 49142 backedges. 1 proven. 49141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 328 states and 337 transitions. [2021-11-23 01:00:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 337 transitions. [2021-11-23 01:00:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-23 01:00:05,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:05,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:05,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 1956 conjuncts, 317 conjunts are in the unsatisfiable core [2021-11-23 01:00:05,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 49456 backedges. 1 proven. 49455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:08,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 329 states and 338 transitions. [2021-11-23 01:00:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 338 transitions. [2021-11-23 01:00:08,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-23 01:00:08,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:08,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:08,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 1962 conjuncts, 318 conjunts are in the unsatisfiable core [2021-11-23 01:00:08,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:10,467 INFO L134 CoverageAnalysis]: Checked inductivity of 49771 backedges. 1 proven. 49770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 330 states and 339 transitions. [2021-11-23 01:00:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 339 transitions. [2021-11-23 01:00:11,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-23 01:00:11,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:11,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:11,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 1968 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-23 01:00:11,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 50087 backedges. 1 proven. 50086 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 331 states and 340 transitions. [2021-11-23 01:00:15,035 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 340 transitions. [2021-11-23 01:00:15,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-23 01:00:15,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:15,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:15,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 1974 conjuncts, 320 conjunts are in the unsatisfiable core [2021-11-23 01:00:15,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 50404 backedges. 1 proven. 50403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:18,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:18,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 332 states and 341 transitions. [2021-11-23 01:00:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 341 transitions. [2021-11-23 01:00:18,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-23 01:00:18,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:18,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:18,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 1980 conjuncts, 321 conjunts are in the unsatisfiable core [2021-11-23 01:00:18,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 50722 backedges. 1 proven. 50721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:21,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 333 states and 342 transitions. [2021-11-23 01:00:21,820 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 342 transitions. [2021-11-23 01:00:21,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-23 01:00:21,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:21,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:22,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 1986 conjuncts, 322 conjunts are in the unsatisfiable core [2021-11-23 01:00:22,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 51041 backedges. 1 proven. 51040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:25,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:25,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 334 states and 343 transitions. [2021-11-23 01:00:25,525 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 343 transitions. [2021-11-23 01:00:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-23 01:00:25,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:25,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:25,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 1992 conjuncts, 323 conjunts are in the unsatisfiable core [2021-11-23 01:00:25,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 51361 backedges. 1 proven. 51360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:29,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 335 states and 344 transitions. [2021-11-23 01:00:29,383 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 344 transitions. [2021-11-23 01:00:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-23 01:00:29,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:29,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:29,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1998 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-23 01:00:29,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 51682 backedges. 1 proven. 51681 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:33,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 336 states and 345 transitions. [2021-11-23 01:00:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 345 transitions. [2021-11-23 01:00:33,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-23 01:00:33,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:33,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:33,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 2004 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-23 01:00:33,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 52004 backedges. 1 proven. 52003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 337 states and 346 transitions. [2021-11-23 01:00:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 346 transitions. [2021-11-23 01:00:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-23 01:00:36,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:36,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:37,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 326 conjunts are in the unsatisfiable core [2021-11-23 01:00:37,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:39,244 INFO L134 CoverageAnalysis]: Checked inductivity of 52327 backedges. 1 proven. 52326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:41,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:41,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 338 states and 347 transitions. [2021-11-23 01:00:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 347 transitions. [2021-11-23 01:00:41,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-23 01:00:41,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:41,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:41,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 2016 conjuncts, 327 conjunts are in the unsatisfiable core [2021-11-23 01:00:41,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 52651 backedges. 1 proven. 52650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:45,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 339 states and 348 transitions. [2021-11-23 01:00:45,172 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 348 transitions. [2021-11-23 01:00:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-23 01:00:45,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:45,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:45,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 2022 conjuncts, 328 conjunts are in the unsatisfiable core [2021-11-23 01:00:45,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:47,943 INFO L134 CoverageAnalysis]: Checked inductivity of 52976 backedges. 1 proven. 52975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:49,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 340 states and 349 transitions. [2021-11-23 01:00:49,701 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 349 transitions. [2021-11-23 01:00:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-23 01:00:49,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:49,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:50,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 2028 conjuncts, 329 conjunts are in the unsatisfiable core [2021-11-23 01:00:50,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:52,155 INFO L134 CoverageAnalysis]: Checked inductivity of 53302 backedges. 1 proven. 53301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 341 states and 350 transitions. [2021-11-23 01:00:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 350 transitions. [2021-11-23 01:00:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-23 01:00:53,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:53,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:54,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 2034 conjuncts, 330 conjunts are in the unsatisfiable core [2021-11-23 01:00:54,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 53629 backedges. 1 proven. 53628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:57,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 342 states and 351 transitions. [2021-11-23 01:00:57,860 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 351 transitions. [2021-11-23 01:00:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-23 01:00:57,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:57,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:58,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 331 conjunts are in the unsatisfiable core [2021-11-23 01:00:58,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 53957 backedges. 1 proven. 53956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 343 states and 352 transitions. [2021-11-23 01:01:02,343 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 352 transitions. [2021-11-23 01:01:02,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-23 01:01:02,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:02,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:02,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 2046 conjuncts, 332 conjunts are in the unsatisfiable core [2021-11-23 01:01:02,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 54286 backedges. 1 proven. 54285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 344 states and 353 transitions. [2021-11-23 01:01:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 353 transitions. [2021-11-23 01:01:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-23 01:01:06,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:06,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:06,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 2052 conjuncts, 333 conjunts are in the unsatisfiable core [2021-11-23 01:01:06,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 54616 backedges. 1 proven. 54615 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:10,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:10,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 345 states and 354 transitions. [2021-11-23 01:01:10,068 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 354 transitions. [2021-11-23 01:01:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-23 01:01:10,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:10,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:10,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 2058 conjuncts, 334 conjunts are in the unsatisfiable core [2021-11-23 01:01:10,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 54947 backedges. 1 proven. 54946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:13,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 346 states and 355 transitions. [2021-11-23 01:01:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 355 transitions. [2021-11-23 01:01:13,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-23 01:01:13,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:13,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:14,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 335 conjunts are in the unsatisfiable core [2021-11-23 01:01:14,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 55279 backedges. 1 proven. 55278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 347 states and 356 transitions. [2021-11-23 01:01:18,091 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 356 transitions. [2021-11-23 01:01:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-23 01:01:18,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:18,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:18,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 2070 conjuncts, 336 conjunts are in the unsatisfiable core [2021-11-23 01:01:18,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 55612 backedges. 1 proven. 55611 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:21,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:21,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 348 states and 357 transitions. [2021-11-23 01:01:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 357 transitions. [2021-11-23 01:01:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-23 01:01:21,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:21,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:22,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 337 conjunts are in the unsatisfiable core [2021-11-23 01:01:22,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:24,177 INFO L134 CoverageAnalysis]: Checked inductivity of 55946 backedges. 1 proven. 55945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:25,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 349 states and 358 transitions. [2021-11-23 01:01:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 358 transitions. [2021-11-23 01:01:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-23 01:01:25,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:25,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:26,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 338 conjunts are in the unsatisfiable core [2021-11-23 01:01:26,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 56281 backedges. 1 proven. 56280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:29,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:29,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 350 states and 359 transitions. [2021-11-23 01:01:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 359 transitions. [2021-11-23 01:01:29,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-23 01:01:29,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:29,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:29,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 339 conjunts are in the unsatisfiable core [2021-11-23 01:01:29,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 56617 backedges. 1 proven. 56616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:33,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 351 states and 360 transitions. [2021-11-23 01:01:33,199 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 360 transitions. [2021-11-23 01:01:33,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-23 01:01:33,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:33,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:33,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 2094 conjuncts, 340 conjunts are in the unsatisfiable core [2021-11-23 01:01:33,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:35,343 INFO L134 CoverageAnalysis]: Checked inductivity of 56954 backedges. 1 proven. 56953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:36,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 352 states and 361 transitions. [2021-11-23 01:01:36,687 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 361 transitions. [2021-11-23 01:01:36,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-23 01:01:36,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:36,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:37,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 2100 conjuncts, 341 conjunts are in the unsatisfiable core [2021-11-23 01:01:37,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 57292 backedges. 1 proven. 57291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:40,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 353 states and 362 transitions. [2021-11-23 01:01:40,708 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 362 transitions. [2021-11-23 01:01:40,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-23 01:01:40,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:40,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:41,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 2106 conjuncts, 342 conjunts are in the unsatisfiable core [2021-11-23 01:01:41,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 57631 backedges. 1 proven. 57630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:44,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 354 states and 363 transitions. [2021-11-23 01:01:44,270 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 363 transitions. [2021-11-23 01:01:44,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-23 01:01:44,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:44,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:44,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 2112 conjuncts, 343 conjunts are in the unsatisfiable core [2021-11-23 01:01:44,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:46,609 INFO L134 CoverageAnalysis]: Checked inductivity of 57971 backedges. 1 proven. 57970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:48,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 355 states and 364 transitions. [2021-11-23 01:01:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 364 transitions. [2021-11-23 01:01:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-23 01:01:48,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:48,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:48,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 2118 conjuncts, 344 conjunts are in the unsatisfiable core [2021-11-23 01:01:48,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 58312 backedges. 1 proven. 58311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 356 states and 365 transitions. [2021-11-23 01:01:51,914 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 365 transitions. [2021-11-23 01:01:51,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-23 01:01:51,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:51,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:52,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 2124 conjuncts, 345 conjunts are in the unsatisfiable core [2021-11-23 01:01:52,251 INFO L286 TraceCheckSpWp]: Computing forward predicates...