./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-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_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/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_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-2-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/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_2c620581-4fc0-4499-a3c8-343ecd4cfc05/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 d9e382438d8fbe8dfce0f613a239dc56836f436a035cb511dde070c4306eb1f9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:09:43,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:09:43,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:09:43,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:09:43,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:09:43,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:09:43,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:09:43,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:09:43,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:09:43,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:09:43,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:09:43,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:09:43,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:09:43,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:09:43,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:09:43,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:09:43,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:09:43,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:09:43,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:09:43,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:09:43,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:09:43,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:09:43,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:09:43,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:09:43,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:09:43,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:09:43,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:09:43,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:09:43,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:09:43,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:09:43,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:09:43,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:09:43,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:09:43,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:09:43,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:09:43,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:09:43,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:09:43,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:09:43,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:09:43,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:09:43,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:09:43,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:09:43,570 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:09:43,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:09:43,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:09:43,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:09:43,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:09:43,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:09:43,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:09:43,584 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:09:43,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:09:43,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:09:43,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:09:43,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:09:43,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:09:43,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:09:43,587 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:09:43,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:09:43,587 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:09:43,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:09:43,588 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:09:43,588 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:09:43,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:09:43,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:43,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:09:43,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:09:43,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:09:43,591 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:09:43,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:09:43,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:09:43,592 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_2c620581-4fc0-4499-a3c8-343ecd4cfc05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9e382438d8fbe8dfce0f613a239dc56836f436a035cb511dde070c4306eb1f9 [2021-11-22 23:09:43,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:09:43,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:09:43,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:09:43,917 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:09:43,918 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:09:43,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-multidimensional/copy-2-u.c [2021-11-22 23:09:44,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ/data/bd2ceb488/8c8aa6f94f9a4e6f93796bc47d7e1b28/FLAG035e41eeb [2021-11-22 23:09:44,635 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:09:44,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/sv-benchmarks/c/array-multidimensional/copy-2-u.c [2021-11-22 23:09:44,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ/data/bd2ceb488/8c8aa6f94f9a4e6f93796bc47d7e1b28/FLAG035e41eeb [2021-11-22 23:09:45,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ/data/bd2ceb488/8c8aa6f94f9a4e6f93796bc47d7e1b28 [2021-11-22 23:09:45,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:09:45,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:09:45,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:45,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:09:45,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:09:45,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1013c10e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45, skipping insertion in model container [2021-11-22 23:09:45,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:09:45,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:09:45,224 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_2c620581-4fc0-4499-a3c8-343ecd4cfc05/sv-benchmarks/c/array-multidimensional/copy-2-u.c[320,333] [2021-11-22 23:09:45,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:45,266 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:09:45,284 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_2c620581-4fc0-4499-a3c8-343ecd4cfc05/sv-benchmarks/c/array-multidimensional/copy-2-u.c[320,333] [2021-11-22 23:09:45,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:45,312 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:09:45,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45 WrapperNode [2021-11-22 23:09:45,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:45,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:45,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:09:45,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:09:45,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,356 INFO L137 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2021-11-22 23:09:45,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:45,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:09:45,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:09:45,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:09:45,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:09:45,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:09:45,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:09:45,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:09:45,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:45,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:09:45,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:09:45,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c620581-4fc0-4499-a3c8-343ecd4cfc05/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:09:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:09:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:09:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:09:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:09:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:09:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:09:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:09:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:09:45,548 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:09:45,550 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:09:45,692 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:09:45,723 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:09:45,723 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-22 23:09:45,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:45 BoogieIcfgContainer [2021-11-22 23:09:45,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:09:45,727 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:09:45,727 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:09:45,738 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:09:45,738 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:45" (1/1) ... [2021-11-22 23:09:45,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:09:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2021-11-22 23:09:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2021-11-22 23:09:45,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:09:45,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:45,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:45,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:09:45,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:46,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-22 23:09:46,063 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-22 23:09:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:09:46,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:46,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:46,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:09:46,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:46,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2021-11-22 23:09:46,271 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2021-11-22 23:09:46,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:09:46,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:46,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:46,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 23:09:46,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:46,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:46,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2021-11-22 23:09:46,461 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2021-11-22 23:09:46,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:09:46,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:46,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:46,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:09:46,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:46,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:46,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-22 23:09:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-22 23:09:46,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:09:46,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:46,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:46,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:09:46,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:46,833 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:46,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:46,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2021-11-22 23:09:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2021-11-22 23:09:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:46,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:46,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:46,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:09:46,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-11-22 23:09:47,121 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-11-22 23:09:47,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:47,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:47,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:47,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:09:47,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:47,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:47,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-22 23:09:47,357 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-22 23:09:47,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:09:47,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:47,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:47,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:09:47,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:47,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:47,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2021-11-22 23:09:47,585 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2021-11-22 23:09:47,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:09:47,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:47,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:47,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:09:47,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-22 23:09:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-22 23:09:47,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:09:47,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:47,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:47,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:09:47,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2021-11-22 23:09:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-11-22 23:09:48,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:09:48,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:48,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:48,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:09:48,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:48,232 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-11-22 23:09:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-11-22 23:09:48,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:09:48,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:48,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:48,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:09:48,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:48,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-22 23:09:48,564 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-22 23:09:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:09:48,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:48,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:48,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:09:48,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:48,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:48,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2021-11-22 23:09:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2021-11-22 23:09:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:09:48,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:48,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:48,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:09:48,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:49,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:49,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2021-11-22 23:09:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-11-22 23:09:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:09:49,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:49,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:49,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 23:09:49,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-22 23:09:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-22 23:09:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:09:49,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:49,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:49,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:09:49,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:49,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:49,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2021-11-22 23:09:49,707 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-11-22 23:09:49,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:09:49,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:49,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:49,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:09:49,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:50,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2021-11-22 23:09:50,054 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2021-11-22 23:09:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:09:50,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:50,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:50,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:09:50,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:50,243 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:50,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:50,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2021-11-22 23:09:50,357 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2021-11-22 23:09:50,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:09:50,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:50,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:50,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:09:50,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:50,560 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:50,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2021-11-22 23:09:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2021-11-22 23:09:50,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:09:50,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:50,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:50,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-22 23:09:50,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2021-11-22 23:09:51,032 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2021-11-22 23:09:51,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:09:51,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:51,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:51,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:09:51,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:51,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2021-11-22 23:09:51,377 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2021-11-22 23:09:51,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:09:51,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:51,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:51,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:09:51,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:51,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2021-11-22 23:09:51,712 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2021-11-22 23:09:51,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:09:51,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:51,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:51,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-22 23:09:51,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:51,963 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:52,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:52,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2021-11-22 23:09:52,099 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2021-11-22 23:09:52,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:09:52,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:52,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:52,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-22 23:09:52,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:52,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:52,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2021-11-22 23:09:52,502 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2021-11-22 23:09:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:09:52,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:52,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:52,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-22 23:09:52,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:52,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2021-11-22 23:09:52,925 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2021-11-22 23:09:52,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:09:52,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:52,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:52,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:09:52,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2021-11-22 23:09:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2021-11-22 23:09:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:09:53,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:53,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:53,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:09:53,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:53,595 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:53,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2021-11-22 23:09:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2021-11-22 23:09:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:09:53,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:53,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:53,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:09:53,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:54,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2021-11-22 23:09:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2021-11-22 23:09:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:09:54,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:54,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:54,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-22 23:09:54,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2021-11-22 23:09:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2021-11-22 23:09:54,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:09:54,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:54,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:54,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:09:54,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2021-11-22 23:09:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2021-11-22 23:09:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:09:55,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-22 23:09:55,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:55,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2021-11-22 23:09:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2021-11-22 23:09:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:09:55,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-22 23:09:55,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:55,762 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2021-11-22 23:09:55,944 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2021-11-22 23:09:55,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:09:55,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:09:55,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:56,242 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2021-11-22 23:09:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2021-11-22 23:09:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:09:56,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:56,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:56,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:09:56,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2021-11-22 23:09:56,926 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2021-11-22 23:09:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:09:56,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:56,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:56,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-22 23:09:56,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:57,255 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:57,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:57,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2021-11-22 23:09:57,453 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2021-11-22 23:09:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:09:57,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:57,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:57,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:09:57,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2021-11-22 23:09:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2021-11-22 23:09:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:09:57,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:57,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:58,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-22 23:09:58,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:58,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:58,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 49 states and 57 transitions. [2021-11-22 23:09:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2021-11-22 23:09:58,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:09:58,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:58,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:58,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:09:58,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:58,889 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:59,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:59,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2021-11-22 23:09:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2021-11-22 23:09:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:09:59,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:59,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:59,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-22 23:09:59,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:59,409 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2021-11-22 23:09:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2021-11-22 23:09:59,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:09:59,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:59,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:59,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-22 23:09:59,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:00,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 52 states and 60 transitions. [2021-11-22 23:10:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2021-11-22 23:10:00,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:10:00,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:00,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:00,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-22 23:10:00,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:00,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions. [2021-11-22 23:10:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2021-11-22 23:10:00,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:10:00,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:00,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:00,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-22 23:10:00,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:01,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 54 states and 62 transitions. [2021-11-22 23:10:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2021-11-22 23:10:01,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:10:01,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:01,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:01,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-22 23:10:01,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:01,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:01,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 55 states and 63 transitions. [2021-11-22 23:10:01,654 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2021-11-22 23:10:01,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:10:01,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:01,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:01,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 23:10:01,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:02,028 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:02,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:02,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 56 states and 64 transitions. [2021-11-22 23:10:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2021-11-22 23:10:02,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:10:02,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:02,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:02,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-22 23:10:02,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:02,565 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:02,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:02,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 57 states and 65 transitions. [2021-11-22 23:10:02,737 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2021-11-22 23:10:02,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:10:02,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:02,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:02,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-22 23:10:02,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:03,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2021-11-22 23:10:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2021-11-22 23:10:03,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:10:03,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:03,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:03,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-22 23:10:03,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:03,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2021-11-22 23:10:03,891 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2021-11-22 23:10:03,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:10:03,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:03,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:03,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-22 23:10:03,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:04,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2021-11-22 23:10:04,581 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2021-11-22 23:10:04,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:10:04,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:04,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:04,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-22 23:10:04,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:04,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2021-11-22 23:10:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2021-11-22 23:10:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:10:05,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:05,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:05,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-22 23:10:05,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:05,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:05,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2021-11-22 23:10:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-11-22 23:10:05,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:10:05,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:05,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:05,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-22 23:10:05,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:06,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:06,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-11-22 23:10:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-11-22 23:10:06,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:10:06,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:06,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:06,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-22 23:10:06,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:07,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-11-22 23:10:07,055 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-11-22 23:10:07,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:10:07,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:07,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:07,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-22 23:10:07,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:07,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2021-11-22 23:10:07,761 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2021-11-22 23:10:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:10:07,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:07,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:07,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-22 23:10:07,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:08,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2021-11-22 23:10:08,433 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2021-11-22 23:10:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:10:08,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:08,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:08,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-22 23:10:08,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:09,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-11-22 23:10:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-11-22 23:10:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:10:09,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:09,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:09,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-22 23:10:09,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:09,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-11-22 23:10:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-11-22 23:10:09,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:10:09,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:09,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:09,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-22 23:10:09,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:10,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:10,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2021-11-22 23:10:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2021-11-22 23:10:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:10:10,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:10,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:10,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-22 23:10:10,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2021-11-22 23:10:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2021-11-22 23:10:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:10:11,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:11,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:11,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-22 23:10:11,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:11,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2021-11-22 23:10:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2021-11-22 23:10:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:10:11,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:11,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:12,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-22 23:10:12,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:12,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2021-11-22 23:10:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2021-11-22 23:10:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:10:12,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:12,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:12,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-22 23:10:12,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:13,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2021-11-22 23:10:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2021-11-22 23:10:13,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:10:13,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:13,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:13,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-22 23:10:13,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:13,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2021-11-22 23:10:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2021-11-22 23:10:13,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:10:13,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:13,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:14,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-22 23:10:14,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2021-11-22 23:10:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2021-11-22 23:10:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:10:14,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:14,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:14,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-22 23:10:14,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:15,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 1 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:15,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-11-22 23:10:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-11-22 23:10:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:10:15,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:15,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:15,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-22 23:10:15,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 1 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:16,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:16,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2021-11-22 23:10:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2021-11-22 23:10:16,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:10:16,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:16,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:16,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-22 23:10:16,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:16,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2021-11-22 23:10:16,715 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2021-11-22 23:10:16,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:10:16,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:16,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:16,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-22 23:10:16,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2021-11-22 23:10:17,395 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2021-11-22 23:10:17,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:10:17,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:17,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:17,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-22 23:10:17,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 1 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:18,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2021-11-22 23:10:18,094 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-11-22 23:10:18,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:10:18,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:18,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:18,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-22 23:10:18,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2279 backedges. 1 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:18,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2021-11-22 23:10:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2021-11-22 23:10:18,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:10:18,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:18,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:18,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-22 23:10:18,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 1 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2021-11-22 23:10:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2021-11-22 23:10:19,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:10:19,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:19,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:19,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-22 23:10:19,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:20,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 1 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2021-11-22 23:10:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2021-11-22 23:10:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:10:20,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:20,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:20,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-22 23:10:20,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 1 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 84 states and 92 transitions. [2021-11-22 23:10:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2021-11-22 23:10:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:10:21,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:21,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:21,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-22 23:10:21,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2557 backedges. 1 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:22,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2021-11-22 23:10:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2021-11-22 23:10:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:10:22,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:22,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:22,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-22 23:10:22,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 1 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2021-11-22 23:10:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2021-11-22 23:10:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:10:23,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:23,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:23,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-22 23:10:23,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:23,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 1 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2021-11-22 23:10:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2021-11-22 23:10:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:10:23,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:23,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:24,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-22 23:10:24,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:24,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2776 backedges. 1 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:24,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:24,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 88 states and 96 transitions. [2021-11-22 23:10:24,672 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2021-11-22 23:10:24,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:10:24,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:24,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:24,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-22 23:10:24,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:25,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2851 backedges. 1 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 89 states and 97 transitions. [2021-11-22 23:10:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2021-11-22 23:10:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:10:25,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:25,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:25,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-22 23:10:25,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 1 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:26,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:26,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 90 states and 98 transitions. [2021-11-22 23:10:26,279 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2021-11-22 23:10:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:10:26,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:26,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:26,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-22 23:10:26,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3004 backedges. 1 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 91 states and 99 transitions. [2021-11-22 23:10:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2021-11-22 23:10:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:10:27,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:27,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:27,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-22 23:10:27,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:27,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 1 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:27,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:27,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 92 states and 100 transitions. [2021-11-22 23:10:27,934 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2021-11-22 23:10:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:10:27,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:27,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:28,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-22 23:10:28,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3161 backedges. 1 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:28,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 93 states and 101 transitions. [2021-11-22 23:10:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2021-11-22 23:10:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 23:10:28,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:28,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:28,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-22 23:10:28,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3241 backedges. 1 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 94 states and 102 transitions. [2021-11-22 23:10:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2021-11-22 23:10:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:10:29,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:29,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:29,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-22 23:10:29,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3322 backedges. 1 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:30,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 95 states and 103 transitions. [2021-11-22 23:10:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2021-11-22 23:10:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:30,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:30,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:30,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-22 23:10:30,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3404 backedges. 1 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:31,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 96 states and 104 transitions. [2021-11-22 23:10:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2021-11-22 23:10:31,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-22 23:10:31,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:31,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:31,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-22 23:10:31,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3487 backedges. 1 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:31,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 97 states and 105 transitions. [2021-11-22 23:10:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 105 transitions. [2021-11-22 23:10:31,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:10:31,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:31,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:32,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-22 23:10:32,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3571 backedges. 1 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 98 states and 106 transitions. [2021-11-22 23:10:32,801 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2021-11-22 23:10:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:10:32,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:32,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:32,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-22 23:10:32,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3656 backedges. 1 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:33,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 99 states and 107 transitions. [2021-11-22 23:10:33,739 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions. [2021-11-22 23:10:33,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:10:33,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:33,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:33,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-22 23:10:33,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:34,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3742 backedges. 1 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:34,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:34,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 100 states and 108 transitions. [2021-11-22 23:10:34,769 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 108 transitions. [2021-11-22 23:10:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 23:10:34,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:34,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:34,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-22 23:10:34,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:35,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3829 backedges. 1 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:35,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:35,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 101 states and 109 transitions. [2021-11-22 23:10:35,613 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2021-11-22 23:10:35,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-22 23:10:35,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:35,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:35,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-22 23:10:35,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3917 backedges. 1 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 102 states and 110 transitions. [2021-11-22 23:10:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 110 transitions. [2021-11-22 23:10:36,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:10:36,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:36,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:36,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-22 23:10:36,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:37,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4006 backedges. 1 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:37,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:37,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 103 states and 111 transitions. [2021-11-22 23:10:37,308 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 111 transitions. [2021-11-22 23:10:37,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:10:37,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:37,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:37,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-22 23:10:37,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4096 backedges. 1 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:38,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2021-11-22 23:10:38,155 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2021-11-22 23:10:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:10:38,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:38,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:38,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-22 23:10:38,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4187 backedges. 1 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:39,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 105 states and 113 transitions. [2021-11-22 23:10:39,131 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2021-11-22 23:10:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:10:39,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:39,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:39,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-22 23:10:39,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4279 backedges. 1 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 106 states and 114 transitions. [2021-11-22 23:10:40,023 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 114 transitions. [2021-11-22 23:10:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-22 23:10:40,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:40,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:40,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-22 23:10:40,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4372 backedges. 1 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 107 states and 115 transitions. [2021-11-22 23:10:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 115 transitions. [2021-11-22 23:10:40,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 23:10:40,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:40,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:40,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-22 23:10:40,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4466 backedges. 1 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:41,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:41,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 108 states and 116 transitions. [2021-11-22 23:10:41,808 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 116 transitions. [2021-11-22 23:10:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 23:10:41,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:41,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:41,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-22 23:10:41,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4561 backedges. 1 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 109 states and 117 transitions. [2021-11-22 23:10:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 117 transitions. [2021-11-22 23:10:42,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:10:42,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:42,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:42,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-22 23:10:42,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4657 backedges. 1 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:43,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:43,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 110 states and 118 transitions. [2021-11-22 23:10:43,659 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2021-11-22 23:10:43,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:10:43,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:43,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:43,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-22 23:10:43,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:44,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4754 backedges. 1 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:44,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 111 states and 119 transitions. [2021-11-22 23:10:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 119 transitions. [2021-11-22 23:10:44,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 23:10:44,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:44,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:44,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-22 23:10:44,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4852 backedges. 1 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:45,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:45,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 112 states and 120 transitions. [2021-11-22 23:10:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 120 transitions. [2021-11-22 23:10:45,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 23:10:45,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:45,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:45,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-22 23:10:45,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4951 backedges. 1 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 113 states and 121 transitions. [2021-11-22 23:10:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 121 transitions. [2021-11-22 23:10:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-22 23:10:46,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:46,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:46,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-22 23:10:46,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5051 backedges. 1 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 114 states and 122 transitions. [2021-11-22 23:10:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 122 transitions. [2021-11-22 23:10:47,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 23:10:47,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:47,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:47,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-22 23:10:47,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 5152 backedges. 1 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:48,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:48,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 115 states and 123 transitions. [2021-11-22 23:10:48,473 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 123 transitions. [2021-11-22 23:10:48,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-22 23:10:48,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:48,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:48,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-22 23:10:48,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:49,191 INFO L134 CoverageAnalysis]: Checked inductivity of 5254 backedges. 1 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:49,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:49,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 116 states and 124 transitions. [2021-11-22 23:10:49,559 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 124 transitions. [2021-11-22 23:10:49,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-22 23:10:49,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:49,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:49,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-22 23:10:49,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:50,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5357 backedges. 1 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 117 states and 125 transitions. [2021-11-22 23:10:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 125 transitions. [2021-11-22 23:10:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-22 23:10:50,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:50,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:50,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-22 23:10:50,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:51,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 1 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:51,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:51,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 118 states and 126 transitions. [2021-11-22 23:10:51,586 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 126 transitions. [2021-11-22 23:10:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-22 23:10:51,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:51,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:51,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-22 23:10:51,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:52,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5566 backedges. 1 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:52,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 119 states and 127 transitions. [2021-11-22 23:10:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 127 transitions. [2021-11-22 23:10:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 23:10:52,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:52,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:52,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-22 23:10:52,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:53,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5672 backedges. 1 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:53,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:53,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 120 states and 128 transitions. [2021-11-22 23:10:53,576 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 128 transitions. [2021-11-22 23:10:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 23:10:53,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:53,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:53,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-22 23:10:53,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5779 backedges. 1 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 121 states and 129 transitions. [2021-11-22 23:10:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 129 transitions. [2021-11-22 23:10:54,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 23:10:54,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:54,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:54,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-22 23:10:54,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5887 backedges. 1 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:55,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:55,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 122 states and 130 transitions. [2021-11-22 23:10:55,694 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2021-11-22 23:10:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-22 23:10:55,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:55,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:55,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-22 23:10:55,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 1 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:56,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 123 states and 131 transitions. [2021-11-22 23:10:56,697 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2021-11-22 23:10:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:10:56,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:56,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:56,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-22 23:10:56,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6106 backedges. 1 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:57,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 124 states and 132 transitions. [2021-11-22 23:10:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2021-11-22 23:10:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-22 23:10:57,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:57,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:57,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-22 23:10:57,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6217 backedges. 1 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:58,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 125 states and 133 transitions. [2021-11-22 23:10:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 133 transitions. [2021-11-22 23:10:58,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:10:58,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:58,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:58,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-22 23:10:58,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6329 backedges. 1 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:59,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:59,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 126 states and 134 transitions. [2021-11-22 23:10:59,919 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 134 transitions. [2021-11-22 23:10:59,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:10:59,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:59,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:00,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-22 23:11:00,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6442 backedges. 1 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:00,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 127 states and 135 transitions. [2021-11-22 23:11:00,987 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 135 transitions. [2021-11-22 23:11:00,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-22 23:11:00,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:00,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:01,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-22 23:11:01,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6556 backedges. 1 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 128 states and 136 transitions. [2021-11-22 23:11:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 136 transitions. [2021-11-22 23:11:02,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:11:02,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:02,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:02,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 118 conjunts are in the unsatisfiable core [2021-11-22 23:11:02,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6671 backedges. 1 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 129 states and 137 transitions. [2021-11-22 23:11:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 137 transitions. [2021-11-22 23:11:03,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-22 23:11:03,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:03,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:03,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-22 23:11:03,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6787 backedges. 1 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 130 states and 138 transitions. [2021-11-22 23:11:04,321 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2021-11-22 23:11:04,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-22 23:11:04,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:04,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:04,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-22 23:11:04,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6904 backedges. 1 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 131 states and 139 transitions. [2021-11-22 23:11:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 139 transitions. [2021-11-22 23:11:05,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-22 23:11:05,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:05,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:05,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-22 23:11:05,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 7022 backedges. 1 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:06,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:06,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 132 states and 140 transitions. [2021-11-22 23:11:06,579 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2021-11-22 23:11:06,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-22 23:11:06,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:06,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:06,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 122 conjunts are in the unsatisfiable core [2021-11-22 23:11:06,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 7141 backedges. 1 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 133 states and 141 transitions. [2021-11-22 23:11:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 141 transitions. [2021-11-22 23:11:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:11:07,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:07,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:07,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-22 23:11:07,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 1 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:08,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 134 states and 142 transitions. [2021-11-22 23:11:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2021-11-22 23:11:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-22 23:11:08,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:08,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:09,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-22 23:11:09,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 7382 backedges. 1 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 135 states and 143 transitions. [2021-11-22 23:11:10,000 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2021-11-22 23:11:10,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-22 23:11:10,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:10,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:10,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-22 23:11:10,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7504 backedges. 1 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:11,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 136 states and 144 transitions. [2021-11-22 23:11:11,147 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 144 transitions. [2021-11-22 23:11:11,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-22 23:11:11,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:11,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:11,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-22 23:11:11,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:11,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7627 backedges. 1 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 137 states and 145 transitions. [2021-11-22 23:11:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 145 transitions. [2021-11-22 23:11:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-22 23:11:12,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:12,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:12,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-22 23:11:12,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 1 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 138 states and 146 transitions. [2021-11-22 23:11:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2021-11-22 23:11:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-22 23:11:13,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:13,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:13,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-22 23:11:13,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 7876 backedges. 1 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:14,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 139 states and 147 transitions. [2021-11-22 23:11:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2021-11-22 23:11:14,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-22 23:11:14,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:14,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:14,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-22 23:11:14,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:15,480 INFO L134 CoverageAnalysis]: Checked inductivity of 8002 backedges. 1 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:15,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 140 states and 148 transitions. [2021-11-22 23:11:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2021-11-22 23:11:15,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-22 23:11:15,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:15,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:16,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-22 23:11:16,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 8129 backedges. 1 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 141 states and 149 transitions. [2021-11-22 23:11:17,233 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 149 transitions. [2021-11-22 23:11:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-22 23:11:17,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:17,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:17,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-22 23:11:17,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8257 backedges. 1 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:18,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 142 states and 150 transitions. [2021-11-22 23:11:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2021-11-22 23:11:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-22 23:11:18,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:18,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:18,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-22 23:11:18,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 8386 backedges. 1 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:19,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 143 states and 151 transitions. [2021-11-22 23:11:19,714 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 151 transitions. [2021-11-22 23:11:19,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-22 23:11:19,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:19,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:19,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-22 23:11:19,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8516 backedges. 1 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 144 states and 152 transitions. [2021-11-22 23:11:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2021-11-22 23:11:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-22 23:11:21,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:21,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:21,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-22 23:11:21,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:21,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 1 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 145 states and 153 transitions. [2021-11-22 23:11:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2021-11-22 23:11:22,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-22 23:11:22,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:22,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:22,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-22 23:11:22,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 8779 backedges. 1 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:23,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:23,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 146 states and 154 transitions. [2021-11-22 23:11:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2021-11-22 23:11:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-22 23:11:23,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:23,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:23,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-22 23:11:23,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 8912 backedges. 1 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 147 states and 155 transitions. [2021-11-22 23:11:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2021-11-22 23:11:25,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-22 23:11:25,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:25,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:25,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-22 23:11:25,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 9046 backedges. 1 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:26,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 148 states and 156 transitions. [2021-11-22 23:11:26,667 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2021-11-22 23:11:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-22 23:11:26,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:26,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:26,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-22 23:11:26,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 9181 backedges. 1 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:28,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 149 states and 157 transitions. [2021-11-22 23:11:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2021-11-22 23:11:28,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-22 23:11:28,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:28,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:28,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-22 23:11:28,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:28,992 INFO L134 CoverageAnalysis]: Checked inductivity of 9317 backedges. 1 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:29,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 150 states and 158 transitions. [2021-11-22 23:11:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 158 transitions. [2021-11-22 23:11:29,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-22 23:11:29,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:29,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:29,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-22 23:11:29,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 9454 backedges. 1 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:30,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:30,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 151 states and 159 transitions. [2021-11-22 23:11:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 159 transitions. [2021-11-22 23:11:30,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:11:30,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:30,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:31,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-22 23:11:31,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 9592 backedges. 1 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:32,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:32,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 152 states and 160 transitions. [2021-11-22 23:11:32,224 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 160 transitions. [2021-11-22 23:11:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-22 23:11:32,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:32,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:32,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 142 conjunts are in the unsatisfiable core [2021-11-22 23:11:32,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9731 backedges. 1 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:33,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:33,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 153 states and 161 transitions. [2021-11-22 23:11:33,647 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 161 transitions. [2021-11-22 23:11:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-22 23:11:33,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:33,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:33,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-22 23:11:33,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:34,606 INFO L134 CoverageAnalysis]: Checked inductivity of 9871 backedges. 1 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:35,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:35,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 154 states and 162 transitions. [2021-11-22 23:11:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 162 transitions. [2021-11-22 23:11:35,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:11:35,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:35,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:35,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-22 23:11:35,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:36,067 INFO L134 CoverageAnalysis]: Checked inductivity of 10012 backedges. 1 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:36,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 155 states and 163 transitions. [2021-11-22 23:11:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 163 transitions. [2021-11-22 23:11:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-22 23:11:36,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:36,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:36,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-22 23:11:36,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:37,455 INFO L134 CoverageAnalysis]: Checked inductivity of 10154 backedges. 1 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 156 states and 164 transitions. [2021-11-22 23:11:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 164 transitions. [2021-11-22 23:11:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:11:37,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:37,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:38,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-22 23:11:38,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:38,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10297 backedges. 1 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:39,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 157 states and 165 transitions. [2021-11-22 23:11:39,357 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 165 transitions. [2021-11-22 23:11:39,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-22 23:11:39,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:39,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:39,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-22 23:11:39,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 10441 backedges. 1 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:40,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 158 states and 166 transitions. [2021-11-22 23:11:40,755 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 166 transitions. [2021-11-22 23:11:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-22 23:11:40,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:40,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:40,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-22 23:11:40,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10586 backedges. 1 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:42,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:42,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 159 states and 167 transitions. [2021-11-22 23:11:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 167 transitions. [2021-11-22 23:11:42,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-22 23:11:42,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:42,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:42,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-22 23:11:42,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 10732 backedges. 1 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:43,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 160 states and 168 transitions. [2021-11-22 23:11:43,497 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 168 transitions. [2021-11-22 23:11:43,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-22 23:11:43,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:43,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:43,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-22 23:11:43,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 10879 backedges. 1 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 161 states and 169 transitions. [2021-11-22 23:11:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 169 transitions. [2021-11-22 23:11:45,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-22 23:11:45,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:45,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:45,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-22 23:11:45,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 11027 backedges. 1 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:46,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 162 states and 170 transitions. [2021-11-22 23:11:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 170 transitions. [2021-11-22 23:11:46,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-22 23:11:46,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:46,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:46,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-22 23:11:46,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:47,345 INFO L134 CoverageAnalysis]: Checked inductivity of 11176 backedges. 1 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:47,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 163 states and 171 transitions. [2021-11-22 23:11:47,861 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 171 transitions. [2021-11-22 23:11:47,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-22 23:11:47,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:47,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:48,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-22 23:11:48,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 11326 backedges. 1 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:49,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 164 states and 172 transitions. [2021-11-22 23:11:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 172 transitions. [2021-11-22 23:11:49,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:11:49,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:49,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:49,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 154 conjunts are in the unsatisfiable core [2021-11-22 23:11:49,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 11477 backedges. 1 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:50,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 165 states and 173 transitions. [2021-11-22 23:11:50,880 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 173 transitions. [2021-11-22 23:11:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-22 23:11:50,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:50,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:51,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-22 23:11:51,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 11629 backedges. 1 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:52,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:52,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 166 states and 174 transitions. [2021-11-22 23:11:52,285 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 174 transitions. [2021-11-22 23:11:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-22 23:11:52,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:52,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:52,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-22 23:11:52,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:53,184 INFO L134 CoverageAnalysis]: Checked inductivity of 11782 backedges. 1 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 167 states and 175 transitions. [2021-11-22 23:11:53,704 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 175 transitions. [2021-11-22 23:11:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-22 23:11:53,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:53,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:53,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-22 23:11:53,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 11936 backedges. 1 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:55,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:55,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 168 states and 176 transitions. [2021-11-22 23:11:55,177 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 176 transitions. [2021-11-22 23:11:55,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-22 23:11:55,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:55,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:55,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 158 conjunts are in the unsatisfiable core [2021-11-22 23:11:55,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12091 backedges. 1 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 169 states and 177 transitions. [2021-11-22 23:11:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 177 transitions. [2021-11-22 23:11:56,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-22 23:11:56,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:56,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:56,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-22 23:11:56,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 12247 backedges. 1 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:58,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 170 states and 178 transitions. [2021-11-22 23:11:58,213 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 178 transitions. [2021-11-22 23:11:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:11:58,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:58,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:58,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-22 23:11:58,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12404 backedges. 1 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 171 states and 179 transitions. [2021-11-22 23:11:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 179 transitions. [2021-11-22 23:11:59,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-22 23:11:59,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:59,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:59,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-22 23:11:59,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12562 backedges. 1 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 172 states and 180 transitions. [2021-11-22 23:12:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 180 transitions. [2021-11-22 23:12:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:12:01,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:01,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:01,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 162 conjunts are in the unsatisfiable core [2021-11-22 23:12:01,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 1 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:02,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:02,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 173 states and 181 transitions. [2021-11-22 23:12:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 181 transitions. [2021-11-22 23:12:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-22 23:12:02,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:02,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:02,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-22 23:12:02,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12881 backedges. 1 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:04,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 174 states and 182 transitions. [2021-11-22 23:12:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 182 transitions. [2021-11-22 23:12:04,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-22 23:12:04,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:04,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:04,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-22 23:12:04,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 13042 backedges. 1 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:05,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:05,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 175 states and 183 transitions. [2021-11-22 23:12:05,775 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 183 transitions. [2021-11-22 23:12:05,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-22 23:12:05,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:05,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:05,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-22 23:12:05,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13204 backedges. 1 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:07,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 176 states and 184 transitions. [2021-11-22 23:12:07,430 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 184 transitions. [2021-11-22 23:12:07,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-22 23:12:07,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:07,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:07,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-22 23:12:07,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 13367 backedges. 1 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 177 states and 185 transitions. [2021-11-22 23:12:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 185 transitions. [2021-11-22 23:12:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-22 23:12:09,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:09,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:09,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-22 23:12:09,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 13531 backedges. 1 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 178 states and 186 transitions. [2021-11-22 23:12:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 186 transitions. [2021-11-22 23:12:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-22 23:12:10,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:10,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:10,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-22 23:12:10,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:11,649 INFO L134 CoverageAnalysis]: Checked inductivity of 13696 backedges. 1 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 179 states and 187 transitions. [2021-11-22 23:12:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 187 transitions. [2021-11-22 23:12:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:12:12,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:12,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:12,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-22 23:12:12,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 13862 backedges. 1 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:13,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 180 states and 188 transitions. [2021-11-22 23:12:13,885 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 188 transitions. [2021-11-22 23:12:13,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-22 23:12:13,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:13,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:14,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-22 23:12:14,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 14029 backedges. 1 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:15,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 181 states and 189 transitions. [2021-11-22 23:12:15,523 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 189 transitions. [2021-11-22 23:12:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-22 23:12:15,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:15,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:15,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-22 23:12:15,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 14197 backedges. 1 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:17,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:17,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 182 states and 190 transitions. [2021-11-22 23:12:17,083 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 190 transitions. [2021-11-22 23:12:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-22 23:12:17,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:17,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:17,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-22 23:12:17,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14366 backedges. 1 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 183 states and 191 transitions. [2021-11-22 23:12:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 191 transitions. [2021-11-22 23:12:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:12:18,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:18,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:18,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-22 23:12:18,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 14536 backedges. 1 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:20,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:20,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 184 states and 192 transitions. [2021-11-22 23:12:20,448 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 192 transitions. [2021-11-22 23:12:20,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-22 23:12:20,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:20,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:20,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 174 conjunts are in the unsatisfiable core [2021-11-22 23:12:20,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 14707 backedges. 1 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:22,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:22,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 185 states and 193 transitions. [2021-11-22 23:12:22,274 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 193 transitions. [2021-11-22 23:12:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-22 23:12:22,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:22,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:22,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-22 23:12:22,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:23,396 INFO L134 CoverageAnalysis]: Checked inductivity of 14879 backedges. 1 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:23,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 186 states and 194 transitions. [2021-11-22 23:12:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 194 transitions. [2021-11-22 23:12:23,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-22 23:12:23,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:23,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:24,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-22 23:12:24,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:25,156 INFO L134 CoverageAnalysis]: Checked inductivity of 15052 backedges. 1 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:25,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:25,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 187 states and 195 transitions. [2021-11-22 23:12:25,786 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 195 transitions. [2021-11-22 23:12:25,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-22 23:12:25,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:25,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:25,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-22 23:12:25,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:26,986 INFO L134 CoverageAnalysis]: Checked inductivity of 15226 backedges. 1 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:27,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 188 states and 196 transitions. [2021-11-22 23:12:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 196 transitions. [2021-11-22 23:12:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-22 23:12:27,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 178 conjunts are in the unsatisfiable core [2021-11-22 23:12:27,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 15401 backedges. 1 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:29,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 189 states and 197 transitions. [2021-11-22 23:12:29,587 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 197 transitions. [2021-11-22 23:12:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-22 23:12:29,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:29,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:29,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-22 23:12:29,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 15577 backedges. 1 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:31,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 190 states and 198 transitions. [2021-11-22 23:12:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 198 transitions. [2021-11-22 23:12:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-22 23:12:31,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:31,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:31,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-22 23:12:31,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 15754 backedges. 1 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:32,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 191 states and 199 transitions. [2021-11-22 23:12:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 199 transitions. [2021-11-22 23:12:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-22 23:12:32,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:32,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:33,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-22 23:12:33,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:34,073 INFO L134 CoverageAnalysis]: Checked inductivity of 15932 backedges. 1 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:34,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:34,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 192 states and 200 transitions. [2021-11-22 23:12:34,693 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 200 transitions. [2021-11-22 23:12:34,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-22 23:12:34,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:34,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:34,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-22 23:12:34,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 16111 backedges. 1 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:36,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 193 states and 201 transitions. [2021-11-22 23:12:36,513 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 201 transitions. [2021-11-22 23:12:36,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-22 23:12:36,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:36,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:36,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-22 23:12:36,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:37,654 INFO L134 CoverageAnalysis]: Checked inductivity of 16291 backedges. 1 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 194 states and 202 transitions. [2021-11-22 23:12:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 202 transitions. [2021-11-22 23:12:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-22 23:12:38,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:38,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:38,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-22 23:12:38,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16472 backedges. 1 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:40,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 195 states and 203 transitions. [2021-11-22 23:12:40,011 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 203 transitions. [2021-11-22 23:12:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-22 23:12:40,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:40,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:40,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-22 23:12:40,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 16654 backedges. 1 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:41,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 196 states and 204 transitions. [2021-11-22 23:12:41,800 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2021-11-22 23:12:41,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-22 23:12:41,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:41,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:41,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 186 conjunts are in the unsatisfiable core [2021-11-22 23:12:41,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 16837 backedges. 1 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 197 states and 205 transitions. [2021-11-22 23:12:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 205 transitions. [2021-11-22 23:12:43,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-22 23:12:43,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:43,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:43,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-22 23:12:43,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 17021 backedges. 1 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:45,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:45,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 198 states and 206 transitions. [2021-11-22 23:12:45,538 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 206 transitions. [2021-11-22 23:12:45,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-22 23:12:45,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:45,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:45,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-22 23:12:45,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 17206 backedges. 1 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 199 states and 207 transitions. [2021-11-22 23:12:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 207 transitions. [2021-11-22 23:12:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-22 23:12:47,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:47,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:47,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-22 23:12:47,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:48,418 INFO L134 CoverageAnalysis]: Checked inductivity of 17392 backedges. 1 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 200 states and 208 transitions. [2021-11-22 23:12:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 208 transitions. [2021-11-22 23:12:49,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-22 23:12:49,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:49,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:49,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 190 conjunts are in the unsatisfiable core [2021-11-22 23:12:49,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 17579 backedges. 1 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 201 states and 209 transitions. [2021-11-22 23:12:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2021-11-22 23:12:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-22 23:12:50,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:50,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:51,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-22 23:12:51,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:52,300 INFO L134 CoverageAnalysis]: Checked inductivity of 17767 backedges. 1 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 202 states and 210 transitions. [2021-11-22 23:12:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 210 transitions. [2021-11-22 23:12:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-22 23:12:52,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:52,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:53,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-22 23:12:53,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 17956 backedges. 1 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:54,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:54,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 203 states and 211 transitions. [2021-11-22 23:12:54,713 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 211 transitions. [2021-11-22 23:12:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-22 23:12:54,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:54,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:54,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-22 23:12:54,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:55,891 INFO L134 CoverageAnalysis]: Checked inductivity of 18146 backedges. 1 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 204 states and 212 transitions. [2021-11-22 23:12:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 212 transitions. [2021-11-22 23:12:56,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-22 23:12:56,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 194 conjunts are in the unsatisfiable core [2021-11-22 23:12:56,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 18337 backedges. 1 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:58,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 205 states and 213 transitions. [2021-11-22 23:12:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 213 transitions. [2021-11-22 23:12:58,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:12:58,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:58,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:58,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-22 23:12:58,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 18529 backedges. 1 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:00,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 206 states and 214 transitions. [2021-11-22 23:13:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 214 transitions. [2021-11-22 23:13:00,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-22 23:13:00,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:00,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:00,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-22 23:13:00,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 18722 backedges. 1 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 207 states and 215 transitions. [2021-11-22 23:13:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 215 transitions. [2021-11-22 23:13:02,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-22 23:13:02,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:02,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:02,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-22 23:13:02,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 18916 backedges. 1 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:04,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 208 states and 216 transitions. [2021-11-22 23:13:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 216 transitions. [2021-11-22 23:13:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-22 23:13:04,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:04,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:04,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 198 conjunts are in the unsatisfiable core [2021-11-22 23:13:04,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:05,528 INFO L134 CoverageAnalysis]: Checked inductivity of 19111 backedges. 1 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:06,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:06,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 209 states and 217 transitions. [2021-11-22 23:13:06,210 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 217 transitions. [2021-11-22 23:13:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-22 23:13:06,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:06,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:06,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-22 23:13:06,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 19307 backedges. 1 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 210 states and 218 transitions. [2021-11-22 23:13:08,238 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 218 transitions. [2021-11-22 23:13:08,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-22 23:13:08,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:08,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:08,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1258 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-22 23:13:08,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 19504 backedges. 1 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:10,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 211 states and 219 transitions. [2021-11-22 23:13:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 219 transitions. [2021-11-22 23:13:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-22 23:13:10,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:10,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:10,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-22 23:13:10,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 19702 backedges. 1 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:12,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 212 states and 220 transitions. [2021-11-22 23:13:12,052 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 220 transitions. [2021-11-22 23:13:12,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-22 23:13:12,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:12,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:12,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 1270 conjuncts, 202 conjunts are in the unsatisfiable core [2021-11-22 23:13:12,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 19901 backedges. 1 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 213 states and 221 transitions. [2021-11-22 23:13:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 221 transitions. [2021-11-22 23:13:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-22 23:13:14,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:14,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:14,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-22 23:13:14,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:15,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20101 backedges. 1 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 214 states and 222 transitions. [2021-11-22 23:13:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 222 transitions. [2021-11-22 23:13:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-22 23:13:16,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:16,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:16,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-22 23:13:16,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 20302 backedges. 1 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:18,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:18,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 215 states and 223 transitions. [2021-11-22 23:13:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 223 transitions. [2021-11-22 23:13:18,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-22 23:13:18,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:18,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:18,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-22 23:13:18,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 20504 backedges. 1 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 216 states and 224 transitions. [2021-11-22 23:13:20,058 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 224 transitions. [2021-11-22 23:13:20,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-22 23:13:20,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:20,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:20,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-22 23:13:20,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20707 backedges. 1 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 217 states and 225 transitions. [2021-11-22 23:13:22,218 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 225 transitions. [2021-11-22 23:13:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-22 23:13:22,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:22,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:22,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-22 23:13:22,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 20911 backedges. 1 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:24,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 218 states and 226 transitions. [2021-11-22 23:13:24,226 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 226 transitions. [2021-11-22 23:13:24,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-22 23:13:24,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:24,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:24,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-22 23:13:24,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:25,521 INFO L134 CoverageAnalysis]: Checked inductivity of 21116 backedges. 1 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:26,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 219 states and 227 transitions. [2021-11-22 23:13:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 227 transitions. [2021-11-22 23:13:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-22 23:13:26,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:26,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:26,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-22 23:13:26,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 21322 backedges. 1 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:28,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:28,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 220 states and 228 transitions. [2021-11-22 23:13:28,268 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 228 transitions. [2021-11-22 23:13:28,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-22 23:13:28,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:28,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:28,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-22 23:13:28,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:29,659 INFO L134 CoverageAnalysis]: Checked inductivity of 21529 backedges. 1 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:30,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 221 states and 229 transitions. [2021-11-22 23:13:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 229 transitions. [2021-11-22 23:13:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-22 23:13:30,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:30,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:30,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 1324 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-22 23:13:30,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 21737 backedges. 1 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 222 states and 230 transitions. [2021-11-22 23:13:32,472 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 230 transitions. [2021-11-22 23:13:32,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-22 23:13:32,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:32,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:32,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-22 23:13:32,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 21946 backedges. 1 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 223 states and 231 transitions. [2021-11-22 23:13:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 231 transitions. [2021-11-22 23:13:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-22 23:13:34,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:34,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:34,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-22 23:13:34,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:35,876 INFO L134 CoverageAnalysis]: Checked inductivity of 22156 backedges. 1 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:36,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 224 states and 232 transitions. [2021-11-22 23:13:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 232 transitions. [2021-11-22 23:13:36,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-22 23:13:36,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:36,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:36,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 214 conjunts are in the unsatisfiable core [2021-11-22 23:13:36,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 22367 backedges. 1 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 225 states and 233 transitions. [2021-11-22 23:13:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 233 transitions. [2021-11-22 23:13:38,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-22 23:13:38,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:38,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:38,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-22 23:13:38,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 22579 backedges. 1 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 226 states and 234 transitions. [2021-11-22 23:13:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 234 transitions. [2021-11-22 23:13:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-22 23:13:40,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:40,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:40,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-22 23:13:40,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 22792 backedges. 1 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 227 states and 235 transitions. [2021-11-22 23:13:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 235 transitions. [2021-11-22 23:13:42,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-22 23:13:42,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:42,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:43,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 1360 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-22 23:13:43,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:44,352 INFO L134 CoverageAnalysis]: Checked inductivity of 23006 backedges. 1 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:45,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 228 states and 236 transitions. [2021-11-22 23:13:45,227 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 236 transitions. [2021-11-22 23:13:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-22 23:13:45,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 1366 conjuncts, 218 conjunts are in the unsatisfiable core [2021-11-22 23:13:45,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 23221 backedges. 1 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:47,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:47,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 229 states and 237 transitions. [2021-11-22 23:13:47,255 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 237 transitions. [2021-11-22 23:13:47,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-22 23:13:47,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:47,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:47,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-22 23:13:47,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:48,582 INFO L134 CoverageAnalysis]: Checked inductivity of 23437 backedges. 1 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:49,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 230 states and 238 transitions. [2021-11-22 23:13:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 238 transitions. [2021-11-22 23:13:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-22 23:13:49,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:49,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:49,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-22 23:13:49,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 23654 backedges. 1 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 231 states and 239 transitions. [2021-11-22 23:13:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 239 transitions. [2021-11-22 23:13:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-22 23:13:51,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:51,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:51,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1384 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-22 23:13:51,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 23872 backedges. 1 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 232 states and 240 transitions. [2021-11-22 23:13:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 240 transitions. [2021-11-22 23:13:53,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-22 23:13:53,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:53,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:54,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-22 23:13:54,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 24091 backedges. 1 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:55,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 233 states and 241 transitions. [2021-11-22 23:13:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 241 transitions. [2021-11-22 23:13:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-22 23:13:55,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:55,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:56,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-22 23:13:56,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 24311 backedges. 1 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 234 states and 242 transitions. [2021-11-22 23:13:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 242 transitions. [2021-11-22 23:13:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-22 23:13:58,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:58,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:58,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1402 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-22 23:13:58,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:59,690 INFO L134 CoverageAnalysis]: Checked inductivity of 24532 backedges. 1 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 235 states and 243 transitions. [2021-11-22 23:14:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 243 transitions. [2021-11-22 23:14:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-22 23:14:00,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:00,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:00,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 1408 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-22 23:14:00,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:01,899 INFO L134 CoverageAnalysis]: Checked inductivity of 24754 backedges. 1 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:02,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 236 states and 244 transitions. [2021-11-22 23:14:02,679 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 244 transitions. [2021-11-22 23:14:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-22 23:14:02,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:02,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:02,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 226 conjunts are in the unsatisfiable core [2021-11-22 23:14:02,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:04,059 INFO L134 CoverageAnalysis]: Checked inductivity of 24977 backedges. 1 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:04,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:04,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 237 states and 245 transitions. [2021-11-22 23:14:04,862 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 245 transitions. [2021-11-22 23:14:04,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-22 23:14:04,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:04,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:05,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 1420 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-22 23:14:05,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 25201 backedges. 1 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 238 states and 246 transitions. [2021-11-22 23:14:07,178 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 246 transitions. [2021-11-22 23:14:07,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-22 23:14:07,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:07,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:07,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1426 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-22 23:14:07,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 25426 backedges. 1 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 239 states and 247 transitions. [2021-11-22 23:14:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 247 transitions. [2021-11-22 23:14:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-22 23:14:09,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:09,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:09,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-22 23:14:09,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 25652 backedges. 1 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 240 states and 248 transitions. [2021-11-22 23:14:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 248 transitions. [2021-11-22 23:14:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-22 23:14:11,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:11,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:11,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-22 23:14:11,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 25879 backedges. 1 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:13,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 241 states and 249 transitions. [2021-11-22 23:14:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 249 transitions. [2021-11-22 23:14:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-22 23:14:13,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:13,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:14,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1444 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-22 23:14:14,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 26107 backedges. 1 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 242 states and 250 transitions. [2021-11-22 23:14:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 250 transitions. [2021-11-22 23:14:16,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-22 23:14:16,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:16,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-22 23:14:16,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 26336 backedges. 1 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 243 states and 251 transitions. [2021-11-22 23:14:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 251 transitions. [2021-11-22 23:14:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-22 23:14:18,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:18,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:18,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 1456 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-22 23:14:18,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 26566 backedges. 1 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 244 states and 252 transitions. [2021-11-22 23:14:20,855 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 252 transitions. [2021-11-22 23:14:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-22 23:14:20,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:20,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:21,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-22 23:14:21,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 26797 backedges. 1 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:23,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 245 states and 253 transitions. [2021-11-22 23:14:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 253 transitions. [2021-11-22 23:14:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-22 23:14:23,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:23,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:23,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 1468 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-22 23:14:23,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 27029 backedges. 1 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:25,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:25,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 246 states and 254 transitions. [2021-11-22 23:14:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 254 transitions. [2021-11-22 23:14:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-22 23:14:25,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:25,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:25,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-22 23:14:25,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:27,183 INFO L134 CoverageAnalysis]: Checked inductivity of 27262 backedges. 1 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:28,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 247 states and 255 transitions. [2021-11-22 23:14:28,009 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 255 transitions. [2021-11-22 23:14:28,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-22 23:14:28,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:28,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:28,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-22 23:14:28,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 27496 backedges. 1 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:30,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:30,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 248 states and 256 transitions. [2021-11-22 23:14:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 256 transitions. [2021-11-22 23:14:30,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-22 23:14:30,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:30,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:30,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 1486 conjuncts, 238 conjunts are in the unsatisfiable core [2021-11-22 23:14:30,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 27731 backedges. 1 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:32,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:32,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 249 states and 257 transitions. [2021-11-22 23:14:32,788 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 257 transitions. [2021-11-22 23:14:32,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-22 23:14:32,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:32,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:33,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-22 23:14:33,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 27967 backedges. 1 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 250 states and 258 transitions. [2021-11-22 23:14:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 258 transitions. [2021-11-22 23:14:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-22 23:14:35,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:35,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:35,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1498 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-22 23:14:35,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:36,678 INFO L134 CoverageAnalysis]: Checked inductivity of 28204 backedges. 1 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 251 states and 259 transitions. [2021-11-22 23:14:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 259 transitions. [2021-11-22 23:14:37,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-22 23:14:37,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:37,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:37,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-22 23:14:37,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:39,054 INFO L134 CoverageAnalysis]: Checked inductivity of 28442 backedges. 1 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:39,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:39,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 252 states and 260 transitions. [2021-11-22 23:14:39,908 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 260 transitions. [2021-11-22 23:14:39,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-22 23:14:39,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:39,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:40,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 1510 conjuncts, 242 conjunts are in the unsatisfiable core [2021-11-22 23:14:40,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 28681 backedges. 1 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 253 states and 261 transitions. [2021-11-22 23:14:42,341 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 261 transitions. [2021-11-22 23:14:42,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-22 23:14:42,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:42,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:42,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-22 23:14:42,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 28921 backedges. 1 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 254 states and 262 transitions. [2021-11-22 23:14:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 262 transitions. [2021-11-22 23:14:44,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-22 23:14:44,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:44,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:45,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 1522 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-22 23:14:45,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:46,418 INFO L134 CoverageAnalysis]: Checked inductivity of 29162 backedges. 1 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 255 states and 263 transitions. [2021-11-22 23:14:47,290 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 263 transitions. [2021-11-22 23:14:47,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-22 23:14:47,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:47,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:47,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1528 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-22 23:14:47,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 29404 backedges. 1 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:49,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:49,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 256 states and 264 transitions. [2021-11-22 23:14:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 264 transitions. [2021-11-22 23:14:49,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-22 23:14:49,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:49,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:49,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 246 conjunts are in the unsatisfiable core [2021-11-22 23:14:49,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:51,277 INFO L134 CoverageAnalysis]: Checked inductivity of 29647 backedges. 1 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:52,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:52,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 257 states and 265 transitions. [2021-11-22 23:14:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 265 transitions. [2021-11-22 23:14:52,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-22 23:14:52,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:52,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:52,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-22 23:14:52,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 29891 backedges. 1 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:54,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:54,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 258 states and 266 transitions. [2021-11-22 23:14:54,750 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 266 transitions. [2021-11-22 23:14:54,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-22 23:14:54,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:54,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:54,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1546 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-22 23:14:54,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 30136 backedges. 1 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:57,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:57,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 259 states and 267 transitions. [2021-11-22 23:14:57,193 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 267 transitions. [2021-11-22 23:14:57,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-22 23:14:57,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:57,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:57,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 1552 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-22 23:14:57,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30382 backedges. 1 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 260 states and 268 transitions. [2021-11-22 23:14:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 268 transitions. [2021-11-22 23:14:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-22 23:14:59,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:59,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:59,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 1558 conjuncts, 250 conjunts are in the unsatisfiable core [2021-11-22 23:14:59,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 30629 backedges. 1 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 261 states and 269 transitions. [2021-11-22 23:15:02,262 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 269 transitions. [2021-11-22 23:15:02,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-22 23:15:02,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:02,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:02,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 1564 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-22 23:15:02,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 30877 backedges. 1 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:04,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 262 states and 270 transitions. [2021-11-22 23:15:04,702 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 270 transitions. [2021-11-22 23:15:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-22 23:15:04,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:04,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:04,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-22 23:15:04,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 31126 backedges. 1 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:07,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 263 states and 271 transitions. [2021-11-22 23:15:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 271 transitions. [2021-11-22 23:15:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-22 23:15:07,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:07,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:07,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-22 23:15:07,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 31376 backedges. 1 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 264 states and 272 transitions. [2021-11-22 23:15:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 272 transitions. [2021-11-22 23:15:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-22 23:15:10,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:10,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:10,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1582 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-22 23:15:10,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:11,617 INFO L134 CoverageAnalysis]: Checked inductivity of 31627 backedges. 1 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:12,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 265 states and 273 transitions. [2021-11-22 23:15:12,517 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 273 transitions. [2021-11-22 23:15:12,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-22 23:15:12,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:12,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:12,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 1588 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-22 23:15:12,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 31879 backedges. 1 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:15,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:15,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 266 states and 274 transitions. [2021-11-22 23:15:15,028 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 274 transitions. [2021-11-22 23:15:15,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-22 23:15:15,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:15,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:15,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 1594 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-22 23:15:15,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 32132 backedges. 1 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:17,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 267 states and 275 transitions. [2021-11-22 23:15:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 275 transitions. [2021-11-22 23:15:17,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-22 23:15:17,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:17,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:18,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1600 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-22 23:15:18,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:19,361 INFO L134 CoverageAnalysis]: Checked inductivity of 32386 backedges. 1 proven. 32385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:20,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 268 states and 276 transitions. [2021-11-22 23:15:20,276 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 276 transitions. [2021-11-22 23:15:20,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-22 23:15:20,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:20,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:20,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1606 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-22 23:15:20,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 32641 backedges. 1 proven. 32640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:22,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:22,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 269 states and 277 transitions. [2021-11-22 23:15:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 277 transitions. [2021-11-22 23:15:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-22 23:15:22,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:22,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:23,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1612 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-22 23:15:23,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 32897 backedges. 1 proven. 32896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:25,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 270 states and 278 transitions. [2021-11-22 23:15:25,465 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 278 transitions. [2021-11-22 23:15:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-22 23:15:25,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:25,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:25,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 1618 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-22 23:15:25,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:27,225 INFO L134 CoverageAnalysis]: Checked inductivity of 33154 backedges. 1 proven. 33153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 271 states and 279 transitions. [2021-11-22 23:15:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 279 transitions. [2021-11-22 23:15:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-22 23:15:28,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:28,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:28,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-22 23:15:28,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 33412 backedges. 1 proven. 33411 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:30,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 272 states and 280 transitions. [2021-11-22 23:15:30,699 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 280 transitions. [2021-11-22 23:15:30,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-22 23:15:30,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:30,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:30,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 262 conjunts are in the unsatisfiable core [2021-11-22 23:15:30,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 33671 backedges. 1 proven. 33670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:33,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 273 states and 281 transitions. [2021-11-22 23:15:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 281 transitions. [2021-11-22 23:15:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-22 23:15:33,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:33,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:33,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 1636 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-22 23:15:33,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 33931 backedges. 1 proven. 33930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 274 states and 282 transitions. [2021-11-22 23:15:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 282 transitions. [2021-11-22 23:15:36,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-22 23:15:36,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:36,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:36,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 1642 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-22 23:15:36,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 34192 backedges. 1 proven. 34191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 275 states and 283 transitions. [2021-11-22 23:15:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 283 transitions. [2021-11-22 23:15:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-22 23:15:38,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:38,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:39,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-22 23:15:39,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 34454 backedges. 1 proven. 34453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:41,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:41,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 276 states and 284 transitions. [2021-11-22 23:15:41,538 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 284 transitions. [2021-11-22 23:15:41,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-22 23:15:41,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:41,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:41,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 1654 conjuncts, 266 conjunts are in the unsatisfiable core [2021-11-22 23:15:41,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:43,313 INFO L134 CoverageAnalysis]: Checked inductivity of 34717 backedges. 1 proven. 34716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:44,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 277 states and 285 transitions. [2021-11-22 23:15:44,276 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 285 transitions. [2021-11-22 23:15:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-22 23:15:44,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:44,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:44,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 1660 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-22 23:15:44,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 34981 backedges. 1 proven. 34980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:46,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 278 states and 286 transitions. [2021-11-22 23:15:46,974 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 286 transitions. [2021-11-22 23:15:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-22 23:15:46,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:46,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:47,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 1666 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-22 23:15:47,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 35246 backedges. 1 proven. 35245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 279 states and 287 transitions. [2021-11-22 23:15:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 287 transitions. [2021-11-22 23:15:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-22 23:15:49,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:49,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:49,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 1672 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-22 23:15:49,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 35512 backedges. 1 proven. 35511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:52,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:52,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 280 states and 288 transitions. [2021-11-22 23:15:52,381 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 288 transitions. [2021-11-22 23:15:52,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-22 23:15:52,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:52,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:52,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1678 conjuncts, 270 conjunts are in the unsatisfiable core [2021-11-22 23:15:52,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:54,443 INFO L134 CoverageAnalysis]: Checked inductivity of 35779 backedges. 1 proven. 35778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 281 states and 289 transitions. [2021-11-22 23:15:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 289 transitions. [2021-11-22 23:15:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-22 23:15:55,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1684 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-22 23:15:55,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:57,021 INFO L134 CoverageAnalysis]: Checked inductivity of 36047 backedges. 1 proven. 36046 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 282 states and 290 transitions. [2021-11-22 23:15:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 290 transitions. [2021-11-22 23:15:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-22 23:15:58,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:58,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:58,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 1690 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-22 23:15:58,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:00,008 INFO L134 CoverageAnalysis]: Checked inductivity of 36316 backedges. 1 proven. 36315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:01,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 283 states and 291 transitions. [2021-11-22 23:16:01,098 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 291 transitions. [2021-11-22 23:16:01,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-22 23:16:01,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:01,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:01,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 1696 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-22 23:16:01,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 36586 backedges. 1 proven. 36585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:04,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:04,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 284 states and 292 transitions. [2021-11-22 23:16:04,352 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 292 transitions. [2021-11-22 23:16:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-22 23:16:04,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:04,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:04,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 1702 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-22 23:16:04,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 36857 backedges. 1 proven. 36856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 285 states and 293 transitions. [2021-11-22 23:16:07,082 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 293 transitions. [2021-11-22 23:16:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-22 23:16:07,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:07,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:07,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-22 23:16:07,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 37129 backedges. 1 proven. 37128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 286 states and 294 transitions. [2021-11-22 23:16:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 294 transitions. [2021-11-22 23:16:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-22 23:16:09,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:09,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:10,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 1714 conjuncts, 276 conjunts are in the unsatisfiable core [2021-11-22 23:16:10,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 37402 backedges. 1 proven. 37401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 287 states and 295 transitions. [2021-11-22 23:16:12,811 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 295 transitions. [2021-11-22 23:16:12,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-22 23:16:12,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:12,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:13,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-22 23:16:13,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 37676 backedges. 1 proven. 37675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:15,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:15,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 288 states and 296 transitions. [2021-11-22 23:16:15,644 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 296 transitions. [2021-11-22 23:16:15,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-22 23:16:15,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:15,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:15,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 1726 conjuncts, 278 conjunts are in the unsatisfiable core [2021-11-22 23:16:15,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 37951 backedges. 1 proven. 37950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:18,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:18,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 289 states and 297 transitions. [2021-11-22 23:16:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 297 transitions. [2021-11-22 23:16:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-22 23:16:18,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:18,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:18,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-22 23:16:18,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 38227 backedges. 1 proven. 38226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:21,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 290 states and 298 transitions. [2021-11-22 23:16:21,538 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 298 transitions. [2021-11-22 23:16:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-22 23:16:21,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:21,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:21,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 280 conjunts are in the unsatisfiable core [2021-11-22 23:16:21,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:23,583 INFO L134 CoverageAnalysis]: Checked inductivity of 38504 backedges. 1 proven. 38503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:24,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 291 states and 299 transitions. [2021-11-22 23:16:24,598 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 299 transitions. [2021-11-22 23:16:24,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-22 23:16:24,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:24,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:24,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1744 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-22 23:16:24,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 38782 backedges. 1 proven. 38781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:27,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 292 states and 300 transitions. [2021-11-22 23:16:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 300 transitions. [2021-11-22 23:16:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-22 23:16:27,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:27,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:27,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1750 conjuncts, 282 conjunts are in the unsatisfiable core [2021-11-22 23:16:27,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 39061 backedges. 1 proven. 39060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:30,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 293 states and 301 transitions. [2021-11-22 23:16:30,465 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 301 transitions. [2021-11-22 23:16:30,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-22 23:16:30,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:30,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:30,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-22 23:16:30,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:32,182 INFO L134 CoverageAnalysis]: Checked inductivity of 39341 backedges. 1 proven. 39340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:33,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 294 states and 302 transitions. [2021-11-22 23:16:33,254 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 302 transitions. [2021-11-22 23:16:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-22 23:16:33,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:33,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:33,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 284 conjunts are in the unsatisfiable core [2021-11-22 23:16:33,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 39622 backedges. 1 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:36,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 295 states and 303 transitions. [2021-11-22 23:16:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 303 transitions. [2021-11-22 23:16:36,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-22 23:16:36,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:36,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:36,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 1768 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-22 23:16:36,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 39904 backedges. 1 proven. 39903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 296 states and 304 transitions. [2021-11-22 23:16:39,480 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 304 transitions. [2021-11-22 23:16:39,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-22 23:16:39,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:39,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:39,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 1774 conjuncts, 286 conjunts are in the unsatisfiable core [2021-11-22 23:16:39,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 40187 backedges. 1 proven. 40186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:42,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:42,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 297 states and 305 transitions. [2021-11-22 23:16:42,293 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 305 transitions. [2021-11-22 23:16:42,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-22 23:16:42,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:42,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:42,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-22 23:16:42,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 40471 backedges. 1 proven. 40470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 298 states and 306 transitions. [2021-11-22 23:16:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 306 transitions. [2021-11-22 23:16:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-22 23:16:45,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:45,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:45,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1786 conjuncts, 288 conjunts are in the unsatisfiable core [2021-11-22 23:16:45,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 40756 backedges. 1 proven. 40755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:48,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 299 states and 307 transitions. [2021-11-22 23:16:48,145 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 307 transitions. [2021-11-22 23:16:48,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-22 23:16:48,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:48,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:48,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 1792 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-22 23:16:48,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:50,043 INFO L134 CoverageAnalysis]: Checked inductivity of 41042 backedges. 1 proven. 41041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 300 states and 308 transitions. [2021-11-22 23:16:51,148 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 308 transitions. [2021-11-22 23:16:51,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-22 23:16:51,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:51,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:51,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1798 conjuncts, 290 conjunts are in the unsatisfiable core [2021-11-22 23:16:51,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 41329 backedges. 1 proven. 41328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 301 states and 309 transitions. [2021-11-22 23:16:54,584 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 309 transitions. [2021-11-22 23:16:54,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-22 23:16:54,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1804 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-22 23:16:54,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 41617 backedges. 1 proven. 41616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:57,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 302 states and 310 transitions. [2021-11-22 23:16:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 310 transitions. [2021-11-22 23:16:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-22 23:16:57,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:57,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:57,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 292 conjunts are in the unsatisfiable core [2021-11-22 23:16:57,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 41906 backedges. 1 proven. 41905 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 303 states and 311 transitions. [2021-11-22 23:17:00,849 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 311 transitions. [2021-11-22 23:17:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-22 23:17:00,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:00,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 1816 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-22 23:17:01,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:02,683 INFO L134 CoverageAnalysis]: Checked inductivity of 42196 backedges. 1 proven. 42195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:03,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 304 states and 312 transitions. [2021-11-22 23:17:03,798 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 312 transitions. [2021-11-22 23:17:03,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-22 23:17:03,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:03,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:04,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 1822 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-22 23:17:04,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:05,951 INFO L134 CoverageAnalysis]: Checked inductivity of 42487 backedges. 1 proven. 42486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 305 states and 313 transitions. [2021-11-22 23:17:07,079 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 313 transitions. [2021-11-22 23:17:07,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-22 23:17:07,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:07,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:07,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 1828 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-22 23:17:07,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 42779 backedges. 1 proven. 42778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 306 states and 314 transitions. [2021-11-22 23:17:10,256 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 314 transitions. [2021-11-22 23:17:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-22 23:17:10,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 1834 conjuncts, 296 conjunts are in the unsatisfiable core [2021-11-22 23:17:10,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 43072 backedges. 1 proven. 43071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:13,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 307 states and 315 transitions. [2021-11-22 23:17:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 315 transitions. [2021-11-22 23:17:13,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-22 23:17:13,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:13,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 1840 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-22 23:17:13,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 43366 backedges. 1 proven. 43365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:16,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 308 states and 316 transitions. [2021-11-22 23:17:16,618 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 316 transitions. [2021-11-22 23:17:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-22 23:17:16,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:17,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 1846 conjuncts, 298 conjunts are in the unsatisfiable core [2021-11-22 23:17:17,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 43661 backedges. 1 proven. 43660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:19,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:19,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 309 states and 317 transitions. [2021-11-22 23:17:19,823 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 317 transitions. [2021-11-22 23:17:19,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-22 23:17:19,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:19,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:20,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 1852 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-22 23:17:20,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 43957 backedges. 1 proven. 43956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 310 states and 318 transitions. [2021-11-22 23:17:23,019 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 318 transitions. [2021-11-22 23:17:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-22 23:17:23,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 1858 conjuncts, 300 conjunts are in the unsatisfiable core [2021-11-22 23:17:23,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 44254 backedges. 1 proven. 44253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:26,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 311 states and 319 transitions. [2021-11-22 23:17:26,677 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 319 transitions. [2021-11-22 23:17:26,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-22 23:17:26,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-22 23:17:26,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 44552 backedges. 1 proven. 44551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 312 states and 320 transitions. [2021-11-22 23:17:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 320 transitions. [2021-11-22 23:17:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-22 23:17:29,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 1870 conjuncts, 302 conjunts are in the unsatisfiable core [2021-11-22 23:17:30,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 44851 backedges. 1 proven. 44850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:32,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 313 states and 321 transitions. [2021-11-22 23:17:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 321 transitions. [2021-11-22 23:17:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-22 23:17:32,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:32,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 1876 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 45151 backedges. 1 proven. 45150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 314 states and 322 transitions. [2021-11-22 23:17:36,419 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 322 transitions. [2021-11-22 23:17:36,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-22 23:17:36,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 304 conjunts are in the unsatisfiable core [2021-11-22 23:17:36,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:38,318 INFO L134 CoverageAnalysis]: Checked inductivity of 45452 backedges. 1 proven. 45451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 315 states and 323 transitions. [2021-11-22 23:17:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 323 transitions. [2021-11-22 23:17:39,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-22 23:17:39,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 1888 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-22 23:17:39,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,551 INFO L134 CoverageAnalysis]: Checked inductivity of 45754 backedges. 1 proven. 45753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 316 states and 324 transitions. [2021-11-22 23:17:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 324 transitions. [2021-11-22 23:17:42,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-22 23:17:42,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 1894 conjuncts, 306 conjunts are in the unsatisfiable core [2021-11-22 23:17:43,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 46057 backedges. 1 proven. 46056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 317 states and 325 transitions. [2021-11-22 23:17:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 325 transitions. [2021-11-22 23:17:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-22 23:17:45,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 1900 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 46361 backedges. 1 proven. 46360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 318 states and 326 transitions. [2021-11-22 23:17:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 326 transitions. [2021-11-22 23:17:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-22 23:17:49,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 1906 conjuncts, 308 conjunts are in the unsatisfiable core [2021-11-22 23:17:49,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 46666 backedges. 1 proven. 46665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 319 states and 327 transitions. [2021-11-22 23:17:52,557 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 327 transitions. [2021-11-22 23:17:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-22 23:17:52,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 1912 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 46972 backedges. 1 proven. 46971 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 320 states and 328 transitions. [2021-11-22 23:17:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 328 transitions. [2021-11-22 23:17:56,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-22 23:17:56,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:56,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1918 conjuncts, 310 conjunts are in the unsatisfiable core [2021-11-22 23:17:56,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 47279 backedges. 1 proven. 47278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 321 states and 329 transitions. [2021-11-22 23:17:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 329 transitions. [2021-11-22 23:17:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-22 23:17:59,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:01,323 INFO L134 CoverageAnalysis]: Checked inductivity of 47587 backedges. 1 proven. 47586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:02,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 322 states and 330 transitions. [2021-11-22 23:18:02,714 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 330 transitions. [2021-11-22 23:18:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-22 23:18:02,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 1930 conjuncts, 312 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 47896 backedges. 1 proven. 47895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:06,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 323 states and 331 transitions. [2021-11-22 23:18:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 331 transitions. [2021-11-22 23:18:06,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-22 23:18:06,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 1936 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-22 23:18:06,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 48206 backedges. 1 proven. 48205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:09,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 324 states and 332 transitions. [2021-11-22 23:18:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 332 transitions. [2021-11-22 23:18:09,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-22 23:18:09,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 1942 conjuncts, 314 conjunts are in the unsatisfiable core [2021-11-22 23:18:09,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 48517 backedges. 1 proven. 48516 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:12,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 325 states and 333 transitions. [2021-11-22 23:18:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 333 transitions. [2021-11-22 23:18:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-22 23:18:12,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1948 conjuncts, 315 conjunts are in the unsatisfiable core [2021-11-22 23:18:13,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 48829 backedges. 1 proven. 48828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:16,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 326 states and 334 transitions. [2021-11-22 23:18:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 334 transitions. [2021-11-22 23:18:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-22 23:18:16,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 1954 conjuncts, 316 conjunts are in the unsatisfiable core [2021-11-22 23:18:16,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,345 INFO L134 CoverageAnalysis]: Checked inductivity of 49142 backedges. 1 proven. 49141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 327 states and 335 transitions. [2021-11-22 23:18:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 335 transitions. [2021-11-22 23:18:19,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-22 23:18:19,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 1960 conjuncts, 317 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 49456 backedges. 1 proven. 49455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 328 states and 336 transitions. [2021-11-22 23:18:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 336 transitions. [2021-11-22 23:18:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-22 23:18:22,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:23,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 1966 conjuncts, 318 conjunts are in the unsatisfiable core [2021-11-22 23:18:23,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 49771 backedges. 1 proven. 49770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 329 states and 337 transitions. [2021-11-22 23:18:26,230 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 337 transitions. [2021-11-22 23:18:26,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-22 23:18:26,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 1972 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 50087 backedges. 1 proven. 50086 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:29,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 330 states and 338 transitions. [2021-11-22 23:18:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 338 transitions. [2021-11-22 23:18:29,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-22 23:18:29,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 1978 conjuncts, 320 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 50404 backedges. 1 proven. 50403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:32,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:32,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 331 states and 339 transitions. [2021-11-22 23:18:32,765 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 339 transitions. [2021-11-22 23:18:32,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-22 23:18:32,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:32,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 321 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 50722 backedges. 1 proven. 50721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 332 states and 340 transitions. [2021-11-22 23:18:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 340 transitions. [2021-11-22 23:18:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-22 23:18:36,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 1990 conjuncts, 322 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 51041 backedges. 1 proven. 51040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:39,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 333 states and 341 transitions. [2021-11-22 23:18:39,447 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 341 transitions. [2021-11-22 23:18:39,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-22 23:18:39,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 1996 conjuncts, 323 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 51361 backedges. 1 proven. 51360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:42,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 334 states and 342 transitions. [2021-11-22 23:18:42,756 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 342 transitions. [2021-11-22 23:18:42,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-22 23:18:42,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:43,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 2002 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-22 23:18:43,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 51682 backedges. 1 proven. 51681 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 335 states and 343 transitions. [2021-11-22 23:18:46,150 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 343 transitions. [2021-11-22 23:18:46,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-22 23:18:46,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 2008 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-22 23:18:46,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 52004 backedges. 1 proven. 52003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:49,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 336 states and 344 transitions. [2021-11-22 23:18:49,489 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 344 transitions. [2021-11-22 23:18:49,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-22 23:18:49,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 2014 conjuncts, 326 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,462 INFO L134 CoverageAnalysis]: Checked inductivity of 52327 backedges. 1 proven. 52326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 337 states and 345 transitions. [2021-11-22 23:18:52,676 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 345 transitions. [2021-11-22 23:18:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-22 23:18:52,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 2020 conjuncts, 327 conjunts are in the unsatisfiable core [2021-11-22 23:18:52,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 52651 backedges. 1 proven. 52650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 338 states and 346 transitions. [2021-11-22 23:18:56,198 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 346 transitions. [2021-11-22 23:18:56,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-22 23:18:56,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:56,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:56,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 2026 conjuncts, 328 conjunts are in the unsatisfiable core [2021-11-22 23:18:56,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:58,197 INFO L134 CoverageAnalysis]: Checked inductivity of 52976 backedges. 1 proven. 52975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:59,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 339 states and 347 transitions. [2021-11-22 23:18:59,427 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 347 transitions. [2021-11-22 23:18:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-22 23:18:59,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 2032 conjuncts, 329 conjunts are in the unsatisfiable core [2021-11-22 23:18:59,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 53302 backedges. 1 proven. 53301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:02,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 340 states and 348 transitions. [2021-11-22 23:19:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 348 transitions. [2021-11-22 23:19:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-22 23:19:02,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 2038 conjuncts, 330 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 53629 backedges. 1 proven. 53628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:06,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 341 states and 349 transitions. [2021-11-22 23:19:06,340 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 349 transitions. [2021-11-22 23:19:06,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-22 23:19:06,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 2044 conjuncts, 331 conjunts are in the unsatisfiable core [2021-11-22 23:19:06,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 53957 backedges. 1 proven. 53956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:09,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 342 states and 350 transitions. [2021-11-22 23:19:09,756 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 350 transitions. [2021-11-22 23:19:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-22 23:19:09,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:09,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 2050 conjuncts, 332 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 54286 backedges. 1 proven. 54285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:13,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 343 states and 351 transitions. [2021-11-22 23:19:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 351 transitions. [2021-11-22 23:19:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-22 23:19:13,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:13,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2056 conjuncts, 333 conjunts are in the unsatisfiable core [2021-11-22 23:19:13,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 54616 backedges. 1 proven. 54615 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 344 states and 352 transitions. [2021-11-22 23:19:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 352 transitions. [2021-11-22 23:19:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-22 23:19:17,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:17,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:17,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 2062 conjuncts, 334 conjunts are in the unsatisfiable core [2021-11-22 23:19:17,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 54947 backedges. 1 proven. 54946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:21,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 345 states and 353 transitions. [2021-11-22 23:19:21,296 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 353 transitions. [2021-11-22 23:19:21,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-22 23:19:21,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:21,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:21,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 335 conjunts are in the unsatisfiable core [2021-11-22 23:19:21,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 55279 backedges. 1 proven. 55278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 346 states and 354 transitions. [2021-11-22 23:19:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 354 transitions. [2021-11-22 23:19:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-22 23:19:25,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 2074 conjuncts, 336 conjunts are in the unsatisfiable core [2021-11-22 23:19:25,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:27,335 INFO L134 CoverageAnalysis]: Checked inductivity of 55612 backedges. 1 proven. 55611 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 347 states and 355 transitions. [2021-11-22 23:19:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 355 transitions. [2021-11-22 23:19:28,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-22 23:19:28,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:28,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:29,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 2080 conjuncts, 337 conjunts are in the unsatisfiable core [2021-11-22 23:19:29,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 55946 backedges. 1 proven. 55945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 348 states and 356 transitions. [2021-11-22 23:19:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 356 transitions. [2021-11-22 23:19:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-22 23:19:32,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:32,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:33,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 2086 conjuncts, 338 conjunts are in the unsatisfiable core [2021-11-22 23:19:33,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:35,435 INFO L134 CoverageAnalysis]: Checked inductivity of 56281 backedges. 1 proven. 56280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:36,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 349 states and 357 transitions. [2021-11-22 23:19:36,941 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 357 transitions. [2021-11-22 23:19:36,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-22 23:19:36,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:36,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:37,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 2092 conjuncts, 339 conjunts are in the unsatisfiable core [2021-11-22 23:19:37,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 56617 backedges. 1 proven. 56616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 350 states and 358 transitions. [2021-11-22 23:19:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 358 transitions. [2021-11-22 23:19:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-22 23:19:41,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:41,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:41,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 2098 conjuncts, 340 conjunts are in the unsatisfiable core [2021-11-22 23:19:41,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 56954 backedges. 1 proven. 56953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 351 states and 359 transitions. [2021-11-22 23:19:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 359 transitions. [2021-11-22 23:19:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-22 23:19:44,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:44,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:45,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 2104 conjuncts, 341 conjunts are in the unsatisfiable core [2021-11-22 23:19:45,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 57292 backedges. 1 proven. 57291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:48,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 352 states and 360 transitions. [2021-11-22 23:19:48,825 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 360 transitions. [2021-11-22 23:19:48,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-22 23:19:48,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:48,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:49,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 2110 conjuncts, 342 conjunts are in the unsatisfiable core [2021-11-22 23:19:49,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 57631 backedges. 1 proven. 57630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:52,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:52,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 353 states and 361 transitions. [2021-11-22 23:19:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 361 transitions. [2021-11-22 23:19:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-22 23:19:52,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:52,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:53,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 343 conjunts are in the unsatisfiable core [2021-11-22 23:19:53,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:55,018 INFO L134 CoverageAnalysis]: Checked inductivity of 57971 backedges. 1 proven. 57970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:56,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 354 states and 362 transitions. [2021-11-22 23:19:56,472 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 362 transitions. [2021-11-22 23:19:56,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-22 23:19:56,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:56,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:56,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 344 conjunts are in the unsatisfiable core [2021-11-22 23:19:56,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 58312 backedges. 1 proven. 58311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:00,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 355 states and 363 transitions. [2021-11-22 23:20:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 363 transitions. [2021-11-22 23:20:00,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-22 23:20:00,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:00,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:00,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 2128 conjuncts, 345 conjunts are in the unsatisfiable core [2021-11-22 23:20:00,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 58654 backedges. 1 proven. 58653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 356 states and 364 transitions. [2021-11-22 23:20:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 364 transitions. [2021-11-22 23:20:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-22 23:20:04,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:04,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:04,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 2134 conjuncts, 346 conjunts are in the unsatisfiable core [2021-11-22 23:20:04,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 58997 backedges. 1 proven. 58996 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:08,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 357 states and 365 transitions. [2021-11-22 23:20:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 365 transitions. [2021-11-22 23:20:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-22 23:20:08,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:08,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:08,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 347 conjunts are in the unsatisfiable core [2021-11-22 23:20:08,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:10,513 INFO L134 CoverageAnalysis]: Checked inductivity of 59341 backedges. 1 proven. 59340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:11,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 358 states and 366 transitions. [2021-11-22 23:20:11,940 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 366 transitions. [2021-11-22 23:20:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-22 23:20:11,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:11,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:12,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 2146 conjuncts, 348 conjunts are in the unsatisfiable core [2021-11-22 23:20:12,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 59686 backedges. 1 proven. 59685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:15,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 359 states and 367 transitions. [2021-11-22 23:20:15,900 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 367 transitions. [2021-11-22 23:20:15,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-22 23:20:15,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:15,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:16,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 2152 conjuncts, 349 conjunts are in the unsatisfiable core [2021-11-22 23:20:16,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 60032 backedges. 1 proven. 60031 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 360 states and 368 transitions. [2021-11-22 23:20:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 368 transitions. [2021-11-22 23:20:19,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-22 23:20:19,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:19,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:20,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 350 conjunts are in the unsatisfiable core [2021-11-22 23:20:20,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 60379 backedges. 1 proven. 60378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 361 states and 369 transitions. [2021-11-22 23:20:23,658 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 369 transitions. [2021-11-22 23:20:23,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-22 23:20:23,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:23,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:24,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 2164 conjuncts, 351 conjunts are in the unsatisfiable core [2021-11-22 23:20:24,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 60727 backedges. 1 proven. 60726 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:27,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 362 states and 370 transitions. [2021-11-22 23:20:27,748 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 370 transitions. [2021-11-22 23:20:27,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-22 23:20:27,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:27,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:28,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 2170 conjuncts, 352 conjunts are in the unsatisfiable core [2021-11-22 23:20:28,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:30,068 INFO L134 CoverageAnalysis]: Checked inductivity of 61076 backedges. 1 proven. 61075 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:31,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 363 states and 371 transitions. [2021-11-22 23:20:31,650 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 371 transitions. [2021-11-22 23:20:31,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-22 23:20:31,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 353 conjunts are in the unsatisfiable core [2021-11-22 23:20:32,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 61426 backedges. 1 proven. 61425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:35,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 364 states and 372 transitions. [2021-11-22 23:20:35,398 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 372 transitions. [2021-11-22 23:20:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-22 23:20:35,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 2182 conjuncts, 354 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,877 INFO L134 CoverageAnalysis]: Checked inductivity of 61777 backedges. 1 proven. 61776 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:39,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 365 states and 373 transitions. [2021-11-22 23:20:39,325 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 373 transitions. [2021-11-22 23:20:39,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-11-22 23:20:39,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 2188 conjuncts, 355 conjunts are in the unsatisfiable core [2021-11-22 23:20:39,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:41,908 INFO L134 CoverageAnalysis]: Checked inductivity of 62129 backedges. 1 proven. 62128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:43,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 366 states and 374 transitions. [2021-11-22 23:20:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 374 transitions. [2021-11-22 23:20:43,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-22 23:20:43,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 2194 conjuncts, 356 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 62482 backedges. 1 proven. 62481 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:47,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 367 states and 375 transitions. [2021-11-22 23:20:47,372 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 375 transitions. [2021-11-22 23:20:47,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-11-22 23:20:47,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 2200 conjuncts, 357 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 62836 backedges. 1 proven. 62835 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.