./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_7.cil.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_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/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_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_7.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/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_99730a86-3f25-407f-b536-d10e3dfcb1c1/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 101a48a9bec001331849dc185520f52629903e1279e23ab0889af7e01ff1eae0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:10:24,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:10:24,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:10:24,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:10:24,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:10:24,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:10:24,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:10:24,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:10:24,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:10:24,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:10:24,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:10:24,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:10:24,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:10:24,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:10:24,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:10:24,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:10:24,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:10:24,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:10:24,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:10:24,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:10:24,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:10:24,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:10:24,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:10:24,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:10:24,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:10:24,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:10:24,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:10:24,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:10:24,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:10:24,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:10:24,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:10:24,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:10:24,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:10:24,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:10:24,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:10:24,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:10:24,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:10:24,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:10:24,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:10:24,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:10:24,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:10:24,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:10:24,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:10:24,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:10:24,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:10:24,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:10:24,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:10:24,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:10:24,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:10:24,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:10:24,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:10:24,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:10:24,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:10:24,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:10:24,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:10:24,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:10:24,525 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:10:24,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:10:24,525 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:10:24,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:10:24,526 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:10:24,526 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:10:24,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:10:24,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:10:24,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:10:24,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:10:24,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:10:24,528 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:10:24,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:10:24,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:10:24,528 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_99730a86-3f25-407f-b536-d10e3dfcb1c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 101a48a9bec001331849dc185520f52629903e1279e23ab0889af7e01ff1eae0 [2021-11-22 23:10:24,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:10:24,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:10:24,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:10:24,902 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:10:24,903 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:10:24,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/openssl-simplified/s3_srvr_7.cil.c [2021-11-22 23:10:24,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ/data/5233b0105/dca752e16001425889727d778b0f914f/FLAGc7281e011 [2021-11-22 23:10:25,619 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:10:25,633 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/sv-benchmarks/c/openssl-simplified/s3_srvr_7.cil.c [2021-11-22 23:10:25,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ/data/5233b0105/dca752e16001425889727d778b0f914f/FLAGc7281e011 [2021-11-22 23:10:25,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ/data/5233b0105/dca752e16001425889727d778b0f914f [2021-11-22 23:10:25,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:10:25,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:10:25,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:10:25,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:10:25,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:10:25,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:10:25" (1/1) ... [2021-11-22 23:10:25,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131bf5df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:25, skipping insertion in model container [2021-11-22 23:10:25,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:10:25" (1/1) ... [2021-11-22 23:10:25,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:10:26,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:10:26,264 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_99730a86-3f25-407f-b536-d10e3dfcb1c1/sv-benchmarks/c/openssl-simplified/s3_srvr_7.cil.c[44376,44389] [2021-11-22 23:10:26,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:26,282 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:10:26,337 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_99730a86-3f25-407f-b536-d10e3dfcb1c1/sv-benchmarks/c/openssl-simplified/s3_srvr_7.cil.c[44376,44389] [2021-11-22 23:10:26,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:26,355 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:10:26,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:26 WrapperNode [2021-11-22 23:10:26,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:10:26,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:26,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:10:26,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:10:26,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:26" (1/1) ... [2021-11-22 23:10:26,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:26" (1/1) ... [2021-11-22 23:10:26,424 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 556 [2021-11-22 23:10:26,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:26,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:10:26,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:10:26,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:10:26,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:26" (1/1) ... [2021-11-22 23:10:26,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:26" (1/1) ... [2021-11-22 23:10:26,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:26" (1/1) ... [2021-11-22 23:10:26,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:26" (1/1) ... [2021-11-22 23:10:26,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:26" (1/1) ... [2021-11-22 23:10:26,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:26" (1/1) ... [2021-11-22 23:10:26,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:26" (1/1) ... [2021-11-22 23:10:26,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:10:26,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:10:26,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:10:26,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:10:26,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:26" (1/1) ... [2021-11-22 23:10:26,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:10:26,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:10:26,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:10:26,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99730a86-3f25-407f-b536-d10e3dfcb1c1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:10:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:10:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:10:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:10:26,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:10:26,676 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:10:26,678 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:10:26,701 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 23:10:27,384 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-22 23:10:27,384 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-22 23:10:27,384 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:10:27,618 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:10:27,619 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:10:27,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:10:27 BoogieIcfgContainer [2021-11-22 23:10:27,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:10:27,623 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:10:27,623 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:10:27,634 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:10:27,635 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:10:27" (1/1) ... [2021-11-22 23:10:27,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:10:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 107 states and 186 transitions. [2021-11-22 23:10:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 186 transitions. [2021-11-22 23:10:27,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:10:27,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:27,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:27,914 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 23:10:28,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 126 states and 203 transitions. [2021-11-22 23:10:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 203 transitions. [2021-11-22 23:10:28,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:10:28,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:28,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:28,136 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 23:10:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:28,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 146 states and 223 transitions. [2021-11-22 23:10:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 223 transitions. [2021-11-22 23:10:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:10:28,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:28,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:28,439 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 23:10:28,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:28,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 176 states and 253 transitions. [2021-11-22 23:10:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 253 transitions. [2021-11-22 23:10:28,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:10:28,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:28,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:28,830 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 23:10:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:29,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 207 states and 284 transitions. [2021-11-22 23:10:29,223 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 284 transitions. [2021-11-22 23:10:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:10:29,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:29,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:29,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:29,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 209 states and 286 transitions. [2021-11-22 23:10:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 286 transitions. [2021-11-22 23:10:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:10:29,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:29,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:29,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 212 states and 289 transitions. [2021-11-22 23:10:29,574 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 289 transitions. [2021-11-22 23:10:29,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:10:29,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:29,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:29,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 216 states and 293 transitions. [2021-11-22 23:10:29,815 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 293 transitions. [2021-11-22 23:10:29,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:10:29,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:29,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 223 states and 300 transitions. [2021-11-22 23:10:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 300 transitions. [2021-11-22 23:10:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:10:30,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:30,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:30,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 232 states and 309 transitions. [2021-11-22 23:10:30,624 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 309 transitions. [2021-11-22 23:10:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:10:30,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:30,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 237 states and 314 transitions. [2021-11-22 23:10:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 314 transitions. [2021-11-22 23:10:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:10:31,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:31,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 245 states and 322 transitions. [2021-11-22 23:10:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 322 transitions. [2021-11-22 23:10:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:10:31,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:31,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:32,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:32,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 251 states and 328 transitions. [2021-11-22 23:10:32,126 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 328 transitions. [2021-11-22 23:10:32,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:10:32,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:32,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:32,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 253 states and 335 transitions. [2021-11-22 23:10:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 335 transitions. [2021-11-22 23:10:32,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:10:32,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:32,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:34,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:34,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 257 states and 345 transitions. [2021-11-22 23:10:34,121 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 345 transitions. [2021-11-22 23:10:34,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:10:34,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:34,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:35,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 268 states and 356 transitions. [2021-11-22 23:10:35,556 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 356 transitions. [2021-11-22 23:10:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:10:35,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:35,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:38,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:38,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 310 states and 433 transitions. [2021-11-22 23:10:38,173 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 433 transitions. [2021-11-22 23:10:38,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:10:38,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:38,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:38,193 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 323 states and 446 transitions. [2021-11-22 23:10:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 446 transitions. [2021-11-22 23:10:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:10:39,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:39,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:39,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:41,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 335 states and 459 transitions. [2021-11-22 23:10:41,826 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 459 transitions. [2021-11-22 23:10:41,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:10:41,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:41,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:42,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 355 states and 478 transitions. [2021-11-22 23:10:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 478 transitions. [2021-11-22 23:10:42,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:10:42,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:42,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:42,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:42,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 356 states and 479 transitions. [2021-11-22 23:10:42,086 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 479 transitions. [2021-11-22 23:10:42,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:10:42,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:42,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:42,119 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 357 states and 480 transitions. [2021-11-22 23:10:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 480 transitions. [2021-11-22 23:10:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:10:42,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:42,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 358 states and 481 transitions. [2021-11-22 23:10:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 481 transitions. [2021-11-22 23:10:42,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:10:42,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:42,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 372 states and 496 transitions. [2021-11-22 23:10:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 496 transitions. [2021-11-22 23:10:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:10:44,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:44,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 387 states and 512 transitions. [2021-11-22 23:10:47,290 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 512 transitions. [2021-11-22 23:10:47,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:10:47,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:47,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:50,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 403 states and 529 transitions. [2021-11-22 23:10:50,414 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 529 transitions. [2021-11-22 23:10:50,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:10:50,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:50,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:50,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:50,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 435 states and 562 transitions. [2021-11-22 23:10:50,663 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 562 transitions. [2021-11-22 23:10:50,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:10:50,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:50,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 452 states and 580 transitions. [2021-11-22 23:10:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 580 transitions. [2021-11-22 23:10:54,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:10:54,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:54,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:54,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 483 states and 610 transitions. [2021-11-22 23:10:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 610 transitions. [2021-11-22 23:10:54,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:10:54,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:54,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:54,726 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 501 states and 629 transitions. [2021-11-22 23:10:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 629 transitions. [2021-11-22 23:10:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:10:58,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:58,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 522 states and 651 transitions. [2021-11-22 23:11:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 651 transitions. [2021-11-22 23:11:02,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:11:02,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:02,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:03,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:03,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 532 states and 708 transitions. [2021-11-22 23:11:03,837 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 708 transitions. [2021-11-22 23:11:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:11:03,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:03,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:08,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 554 states and 731 transitions. [2021-11-22 23:11:08,804 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 731 transitions. [2021-11-22 23:11:08,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:11:08,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:08,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 559 states and 739 transitions. [2021-11-22 23:11:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 739 transitions. [2021-11-22 23:11:09,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:11:09,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:09,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:09,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 564 states and 747 transitions. [2021-11-22 23:11:09,213 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 747 transitions. [2021-11-22 23:11:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:11:09,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:09,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:09,321 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 567 states and 767 transitions. [2021-11-22 23:11:09,911 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 767 transitions. [2021-11-22 23:11:09,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:11:09,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:09,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:09,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:09,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 566 states and 764 transitions. [2021-11-22 23:11:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 764 transitions. [2021-11-22 23:11:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:11:09,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:09,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:15,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 589 states and 788 transitions. [2021-11-22 23:11:15,793 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 788 transitions. [2021-11-22 23:11:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:11:15,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:15,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 598 states and 797 transitions. [2021-11-22 23:11:16,105 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 797 transitions. [2021-11-22 23:11:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:11:16,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:16,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:16,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 602 states and 801 transitions. [2021-11-22 23:11:16,390 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 801 transitions. [2021-11-22 23:11:16,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:11:16,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:16,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:16,516 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:23,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:23,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 624 states and 852 transitions. [2021-11-22 23:11:23,209 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 852 transitions. [2021-11-22 23:11:23,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:11:23,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:23,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:23,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 633 states and 863 transitions. [2021-11-22 23:11:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 863 transitions. [2021-11-22 23:11:23,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:11:23,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:23,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:11:24,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 641 states and 890 transitions. [2021-11-22 23:11:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 890 transitions. [2021-11-22 23:11:24,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:11:24,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:24,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:24,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 641 states and 889 transitions. [2021-11-22 23:11:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 889 transitions. [2021-11-22 23:11:24,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:11:24,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:24,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:24,793 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 643 states and 892 transitions. [2021-11-22 23:11:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 892 transitions. [2021-11-22 23:11:25,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:11:25,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:25,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:25,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 649 states and 905 transitions. [2021-11-22 23:11:25,954 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 905 transitions. [2021-11-22 23:11:25,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:11:25,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:25,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:25,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:11:26,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:26,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 655 states and 916 transitions. [2021-11-22 23:11:26,675 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 916 transitions. [2021-11-22 23:11:26,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:11:26,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:26,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 663 states and 924 transitions. [2021-11-22 23:11:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 924 transitions. [2021-11-22 23:11:27,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:11:27,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:27,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:27,079 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:27,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 667 states and 928 transitions. [2021-11-22 23:11:27,387 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 928 transitions. [2021-11-22 23:11:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:11:27,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:27,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:11:27,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:27,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 668 states and 929 transitions. [2021-11-22 23:11:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 929 transitions. [2021-11-22 23:11:27,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:11:27,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:27,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 692 states and 955 transitions. [2021-11-22 23:11:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 955 transitions. [2021-11-22 23:11:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:11:34,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:34,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:35,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 690 states and 951 transitions. [2021-11-22 23:11:35,238 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 951 transitions. [2021-11-22 23:11:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:11:35,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:35,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:35,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:35,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 690 states and 950 transitions. [2021-11-22 23:11:35,546 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 950 transitions. [2021-11-22 23:11:35,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:11:35,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:35,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:11:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:35,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 694 states and 954 transitions. [2021-11-22 23:11:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 954 transitions. [2021-11-22 23:11:35,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:11:35,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:35,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:36,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 699 states and 959 transitions. [2021-11-22 23:11:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 959 transitions. [2021-11-22 23:11:36,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:11:36,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:36,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:36,509 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:44,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 724 states and 986 transitions. [2021-11-22 23:11:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 986 transitions. [2021-11-22 23:11:44,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:11:44,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:44,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:44,962 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:53,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 750 states and 1014 transitions. [2021-11-22 23:11:53,869 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1014 transitions. [2021-11-22 23:11:53,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:11:53,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:53,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 760 states and 1028 transitions. [2021-11-22 23:11:57,078 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1028 transitions. [2021-11-22 23:11:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:11:57,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:57,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:57,229 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 793 states and 1120 transitions. [2021-11-22 23:11:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1120 transitions. [2021-11-22 23:11:58,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:11:58,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:58,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 803 states and 1140 transitions. [2021-11-22 23:12:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1140 transitions. [2021-11-22 23:12:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:12:00,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:00,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:00,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:00,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 803 states and 1139 transitions. [2021-11-22 23:12:00,962 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1139 transitions. [2021-11-22 23:12:00,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:12:00,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:00,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:12:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 812 states and 1147 transitions. [2021-11-22 23:12:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1147 transitions. [2021-11-22 23:12:01,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:12:01,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:01,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:12:02,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:02,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 821 states and 1157 transitions. [2021-11-22 23:12:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1157 transitions. [2021-11-22 23:12:02,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:12:02,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:02,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:12:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 826 states and 1163 transitions. [2021-11-22 23:12:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1163 transitions. [2021-11-22 23:12:02,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:12:02,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:02,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 832 states and 1170 transitions. [2021-11-22 23:12:03,141 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1170 transitions. [2021-11-22 23:12:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:12:03,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:03,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:12:04,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:04,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 841 states and 1186 transitions. [2021-11-22 23:12:04,326 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1186 transitions. [2021-11-22 23:12:04,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:12:04,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:04,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 868 states and 1216 transitions. [2021-11-22 23:12:14,867 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1216 transitions. [2021-11-22 23:12:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:12:14,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:14,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:12:16,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 878 states and 1225 transitions. [2021-11-22 23:12:16,210 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1225 transitions. [2021-11-22 23:12:16,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:12:16,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:16,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 894 states and 1244 transitions. [2021-11-22 23:12:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1244 transitions. [2021-11-22 23:12:17,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:12:17,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:17,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:17,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 895 states and 1245 transitions. [2021-11-22 23:12:17,467 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1245 transitions. [2021-11-22 23:12:17,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:12:17,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:17,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:17,490 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 915 states and 1264 transitions. [2021-11-22 23:12:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1264 transitions. [2021-11-22 23:12:17,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:12:17,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:17,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:17,869 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 916 states and 1265 transitions. [2021-11-22 23:12:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1265 transitions. [2021-11-22 23:12:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:12:17,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:17,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:12:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 920 states and 1268 transitions. [2021-11-22 23:12:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1268 transitions. [2021-11-22 23:12:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:12:18,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:18,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:18,293 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:12:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:18,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 928 states and 1275 transitions. [2021-11-22 23:12:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1275 transitions. [2021-11-22 23:12:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:12:18,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:18,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:18,784 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 925 states and 1269 transitions. [2021-11-22 23:12:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1269 transitions. [2021-11-22 23:12:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:12:19,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:19,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:12:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:19,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 931 states and 1276 transitions. [2021-11-22 23:12:19,541 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1276 transitions. [2021-11-22 23:12:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:12:19,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:19,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 959 states and 1307 transitions. [2021-11-22 23:12:31,774 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1307 transitions. [2021-11-22 23:12:31,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:12:31,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:31,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:31,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 959 states and 1306 transitions. [2021-11-22 23:12:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1306 transitions. [2021-11-22 23:12:32,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:12:32,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:32,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:12:32,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 964 states and 1310 transitions. [2021-11-22 23:12:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1310 transitions. [2021-11-22 23:12:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:12:32,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:32,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 993 states and 1342 transitions. [2021-11-22 23:12:45,840 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1342 transitions. [2021-11-22 23:12:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:12:45,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:45,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1020 states and 1388 transitions. [2021-11-22 23:13:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1388 transitions. [2021-11-22 23:13:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:13:01,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:01,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1018 states and 1384 transitions. [2021-11-22 23:13:02,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1384 transitions. [2021-11-22 23:13:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:13:02,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:02,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:13:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1024 states and 1389 transitions. [2021-11-22 23:13:02,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1389 transitions. [2021-11-22 23:13:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:13:02,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:02,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:02,919 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:03,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1026 states and 1393 transitions. [2021-11-22 23:13:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1393 transitions. [2021-11-22 23:13:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:13:03,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:03,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:08,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1042 states and 1425 transitions. [2021-11-22 23:13:08,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1425 transitions. [2021-11-22 23:13:08,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:13:08,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:08,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1046 states and 1433 transitions. [2021-11-22 23:13:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1433 transitions. [2021-11-22 23:13:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:13:09,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:09,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1063 states and 1467 transitions. [2021-11-22 23:13:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1467 transitions. [2021-11-22 23:13:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:13:14,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:14,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:19,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1077 states and 1490 transitions. [2021-11-22 23:13:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1490 transitions. [2021-11-22 23:13:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:13:19,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:19,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:19,234 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:19,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1076 states and 1488 transitions. [2021-11-22 23:13:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1488 transitions. [2021-11-22 23:13:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:13:19,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:19,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:19,778 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1078 states and 1491 transitions. [2021-11-22 23:13:20,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1491 transitions. [2021-11-22 23:13:20,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:13:20,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:20,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:22,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:22,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1091 states and 1511 transitions. [2021-11-22 23:13:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1511 transitions. [2021-11-22 23:13:22,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:13:22,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:22,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:22,505 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:22,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1092 states and 1512 transitions. [2021-11-22 23:13:22,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1512 transitions. [2021-11-22 23:13:22,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:13:22,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:22,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:24,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1096 states and 1535 transitions. [2021-11-22 23:13:24,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1535 transitions. [2021-11-22 23:13:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:13:24,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:24,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1104 states and 1547 transitions. [2021-11-22 23:13:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1547 transitions. [2021-11-22 23:13:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:13:25,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:25,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:27,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1118 states and 1569 transitions. [2021-11-22 23:13:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1569 transitions. [2021-11-22 23:13:27,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:13:27,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:27,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:28,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1119 states and 1570 transitions. [2021-11-22 23:13:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1570 transitions. [2021-11-22 23:13:28,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:13:28,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:28,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:13:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:30,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1121 states and 1577 transitions. [2021-11-22 23:13:30,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1577 transitions. [2021-11-22 23:13:30,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:13:30,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:30,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1139 states and 1616 transitions. [2021-11-22 23:13:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1616 transitions. [2021-11-22 23:13:33,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:13:33,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:33,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1143 states and 1619 transitions. [2021-11-22 23:13:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1619 transitions. [2021-11-22 23:13:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:13:34,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:34,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1144 states and 1620 transitions. [2021-11-22 23:13:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1620 transitions. [2021-11-22 23:13:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:13:34,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:34,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:34,757 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:35,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:35,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1150 states and 1627 transitions. [2021-11-22 23:13:35,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1627 transitions. [2021-11-22 23:13:35,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:13:35,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:35,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:13:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1153 states and 1638 transitions. [2021-11-22 23:13:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1638 transitions. [2021-11-22 23:13:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:13:37,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:37,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1154 states and 1639 transitions. [2021-11-22 23:13:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1639 transitions. [2021-11-22 23:13:37,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:13:37,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:37,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:37,840 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1176 states and 1665 transitions. [2021-11-22 23:13:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1665 transitions. [2021-11-22 23:13:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:13:49,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:49,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:01,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1200 states and 1693 transitions. [2021-11-22 23:14:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1693 transitions. [2021-11-22 23:14:01,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:14:01,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:01,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:01,513 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1215 states and 1738 transitions. [2021-11-22 23:14:06,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1738 transitions. [2021-11-22 23:14:06,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:14:06,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:06,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:06,057 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:06,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1235 states and 1759 transitions. [2021-11-22 23:14:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1759 transitions. [2021-11-22 23:14:06,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:14:06,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:06,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:08,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:08,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1238 states and 1763 transitions. [2021-11-22 23:14:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1763 transitions. [2021-11-22 23:14:08,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:14:08,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:08,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:08,330 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:22,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:22,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1261 states and 1791 transitions. [2021-11-22 23:14:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1791 transitions. [2021-11-22 23:14:22,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:14:22,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:22,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1286 states and 1821 transitions. [2021-11-22 23:14:37,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1821 transitions. [2021-11-22 23:14:37,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:14:37,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:37,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:14:39,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:39,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1288 states and 1827 transitions. [2021-11-22 23:14:39,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1827 transitions. [2021-11-22 23:14:39,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:14:39,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:39,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:39,283 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:14:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1291 states and 1845 transitions. [2021-11-22 23:14:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1845 transitions. [2021-11-22 23:14:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:14:41,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:41,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1311 states and 1864 transitions. [2021-11-22 23:14:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1864 transitions. [2021-11-22 23:14:42,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:14:42,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:42,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:42,489 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:14:43,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:43,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1312 states and 1866 transitions. [2021-11-22 23:14:43,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1866 transitions. [2021-11-22 23:14:43,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:14:43,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:43,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:14:46,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:46,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1316 states and 1873 transitions. [2021-11-22 23:14:46,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1873 transitions. [2021-11-22 23:14:46,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:14:46,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:46,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1318 states and 1876 transitions. [2021-11-22 23:14:46,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1876 transitions. [2021-11-22 23:14:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:14:46,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:46,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:14:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:50,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1330 states and 1936 transitions. [2021-11-22 23:14:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1936 transitions. [2021-11-22 23:14:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:14:50,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:50,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1342 states and 1958 transitions. [2021-11-22 23:14:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1958 transitions. [2021-11-22 23:14:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:14:51,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:51,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:51,678 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:59,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 1381 states and 2052 transitions. [2021-11-22 23:14:59,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 2052 transitions. [2021-11-22 23:14:59,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:14:59,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:59,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 1383 states and 2054 transitions. [2021-11-22 23:14:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 2054 transitions. [2021-11-22 23:14:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:14:59,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:59,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:15:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1385 states and 2061 transitions. [2021-11-22 23:15:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2061 transitions. [2021-11-22 23:15:01,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:01,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:01,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:01,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:01,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1391 states and 2066 transitions. [2021-11-22 23:15:01,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2066 transitions. [2021-11-22 23:15:01,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:01,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:01,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:02,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:02,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 1404 states and 2082 transitions. [2021-11-22 23:15:02,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2082 transitions. [2021-11-22 23:15:02,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:02,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:02,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1409 states and 2092 transitions. [2021-11-22 23:15:03,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 2092 transitions. [2021-11-22 23:15:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:03,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:03,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:03,395 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:15:05,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:05,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1423 states and 2125 transitions. [2021-11-22 23:15:05,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 2125 transitions. [2021-11-22 23:15:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:05,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:05,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1433 states and 2157 transitions. [2021-11-22 23:15:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2157 transitions. [2021-11-22 23:15:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:10,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:10,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:10,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:10,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1441 states and 2166 transitions. [2021-11-22 23:15:10,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2166 transitions. [2021-11-22 23:15:10,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:10,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:10,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1442 states and 2168 transitions. [2021-11-22 23:15:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2168 transitions. [2021-11-22 23:15:10,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:10,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:10,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:11,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:11,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1462 states and 2187 transitions. [2021-11-22 23:15:11,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2187 transitions. [2021-11-22 23:15:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:11,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:11,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1463 states and 2189 transitions. [2021-11-22 23:15:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2189 transitions. [2021-11-22 23:15:11,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:11,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:11,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:13,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1469 states and 2200 transitions. [2021-11-22 23:15:13,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2200 transitions. [2021-11-22 23:15:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:15:13,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:13,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:15:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 1489 states and 2266 transitions. [2021-11-22 23:15:19,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2266 transitions. [2021-11-22 23:15:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:19,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:19,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:15:24,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:24,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 1512 states and 2306 transitions. [2021-11-22 23:15:24,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2306 transitions. [2021-11-22 23:15:24,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:24,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:24,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:15:25,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:25,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 1521 states and 2316 transitions. [2021-11-22 23:15:25,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2316 transitions. [2021-11-22 23:15:25,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:25,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:25,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:15:34,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:34,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 1531 states and 2343 transitions. [2021-11-22 23:15:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 2343 transitions. [2021-11-22 23:15:34,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:34,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:34,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:34,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 1534 states and 2347 transitions. [2021-11-22 23:15:34,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2347 transitions. [2021-11-22 23:15:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:34,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:34,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 1538 states and 2353 transitions. [2021-11-22 23:15:35,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2353 transitions. [2021-11-22 23:15:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:35,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:35,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:15:36,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 1547 states and 2365 transitions. [2021-11-22 23:15:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2365 transitions. [2021-11-22 23:15:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:36,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:36,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:37,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 1545 states and 2360 transitions. [2021-11-22 23:15:37,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2360 transitions. [2021-11-22 23:15:37,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:37,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:37,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:37,286 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:38,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 1557 states and 2373 transitions. [2021-11-22 23:15:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2373 transitions. [2021-11-22 23:15:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:38,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:38,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 1563 states and 2378 transitions. [2021-11-22 23:15:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2378 transitions. [2021-11-22 23:15:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:38,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:38,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 1563 states and 2377 transitions. [2021-11-22 23:15:38,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2377 transitions. [2021-11-22 23:15:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:38,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:38,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:38,791 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:38,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:38,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 1565 states and 2379 transitions. [2021-11-22 23:15:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2379 transitions. [2021-11-22 23:15:38,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:38,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:38,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:38,840 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 1567 states and 2382 transitions. [2021-11-22 23:15:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2382 transitions. [2021-11-22 23:15:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:39,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:39,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:39,868 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:40,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 1575 states and 2389 transitions. [2021-11-22 23:15:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2389 transitions. [2021-11-22 23:15:40,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:40,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:40,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:15:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:42,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 1578 states and 2394 transitions. [2021-11-22 23:15:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2394 transitions. [2021-11-22 23:15:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:42,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:42,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:44,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 1581 states and 2400 transitions. [2021-11-22 23:15:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2400 transitions. [2021-11-22 23:15:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:15:44,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:44,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:44,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 1582 states and 2401 transitions. [2021-11-22 23:15:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2401 transitions. [2021-11-22 23:15:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:15:44,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:44,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:44,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 1583 states and 2405 transitions. [2021-11-22 23:15:44,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2405 transitions. [2021-11-22 23:15:44,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:15:44,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:44,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:15:46,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 1589 states and 2417 transitions. [2021-11-22 23:15:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2417 transitions. [2021-11-22 23:15:46,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:15:46,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:46,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:46,201 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:46,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 1621 states and 2450 transitions. [2021-11-22 23:15:46,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 2450 transitions. [2021-11-22 23:15:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:15:46,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:46,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:15:47,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:47,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 1629 states and 2457 transitions. [2021-11-22 23:15:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2457 transitions. [2021-11-22 23:15:47,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:15:47,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:47,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:54,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 1643 states and 2476 transitions. [2021-11-22 23:15:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2476 transitions. [2021-11-22 23:15:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:15:54,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,818 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:55,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 1641 states and 2471 transitions. [2021-11-22 23:15:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2471 transitions. [2021-11-22 23:15:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:15:55,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:16:01,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:01,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 1651 states and 2493 transitions. [2021-11-22 23:16:01,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2493 transitions. [2021-11-22 23:16:01,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:16:01,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:01,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 1656 states and 2499 transitions. [2021-11-22 23:16:02,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2499 transitions. [2021-11-22 23:16:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:16:02,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:02,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:16:04,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 1656 states and 2498 transitions. [2021-11-22 23:16:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2498 transitions. [2021-11-22 23:16:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:16:04,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:04,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:04,361 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:12,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 1681 states and 2535 transitions. [2021-11-22 23:16:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2535 transitions. [2021-11-22 23:16:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:16:12,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:12,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:12,054 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:16:13,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:13,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 1684 states and 2538 transitions. [2021-11-22 23:16:13,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2538 transitions. [2021-11-22 23:16:13,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:13,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:13,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:15,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 1715 states and 2568 transitions. [2021-11-22 23:16:15,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2568 transitions. [2021-11-22 23:16:15,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:15,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:15,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:16:16,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:16,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 1719 states and 2574 transitions. [2021-11-22 23:16:16,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2574 transitions. [2021-11-22 23:16:16,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:16,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:16,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 1733 states and 2594 transitions. [2021-11-22 23:16:24,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2594 transitions. [2021-11-22 23:16:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:24,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:24,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:16:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 1746 states and 2608 transitions. [2021-11-22 23:16:25,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2608 transitions. [2021-11-22 23:16:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:25,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:25,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:25,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:25,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 1749 states and 2614 transitions. [2021-11-22 23:16:25,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2614 transitions. [2021-11-22 23:16:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:25,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:25,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:25,329 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 1750 states and 2615 transitions. [2021-11-22 23:16:26,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2615 transitions. [2021-11-22 23:16:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:26,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:26,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 1751 states and 2616 transitions. [2021-11-22 23:16:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2616 transitions. [2021-11-22 23:16:26,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:26,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:26,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:16:27,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 1751 states and 2615 transitions. [2021-11-22 23:16:27,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2615 transitions. [2021-11-22 23:16:27,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:27,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:27,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:27,429 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:28,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 1757 states and 2623 transitions. [2021-11-22 23:16:28,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2623 transitions. [2021-11-22 23:16:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:28,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:28,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:28,264 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:31,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:31,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 1770 states and 2659 transitions. [2021-11-22 23:16:31,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2659 transitions. [2021-11-22 23:16:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:31,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:31,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:16:31,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:31,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 1772 states and 2664 transitions. [2021-11-22 23:16:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2664 transitions. [2021-11-22 23:16:31,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:16:31,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:31,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 1773 states and 2664 transitions. [2021-11-22 23:16:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2664 transitions. [2021-11-22 23:16:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:31,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:31,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:31,278 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:16:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 1778 states and 2670 transitions. [2021-11-22 23:16:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2670 transitions. [2021-11-22 23:16:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:32,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:32,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:32,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 1777 states and 2664 transitions. [2021-11-22 23:16:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2664 transitions. [2021-11-22 23:16:32,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:32,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:32,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,059 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:16:33,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:33,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 1789 states and 2675 transitions. [2021-11-22 23:16:33,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2675 transitions. [2021-11-22 23:16:33,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:33,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:33,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:34,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 1806 states and 2697 transitions. [2021-11-22 23:16:34,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2697 transitions. [2021-11-22 23:16:34,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:34,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,097 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:38,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:38,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 1810 states and 2707 transitions. [2021-11-22 23:16:38,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2707 transitions. [2021-11-22 23:16:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:38,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:38,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:16:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 1814 states and 2713 transitions. [2021-11-22 23:16:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2713 transitions. [2021-11-22 23:16:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:40,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:40,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:41,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 1821 states and 2729 transitions. [2021-11-22 23:16:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2729 transitions. [2021-11-22 23:16:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:41,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:41,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:16:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 1818 states and 2723 transitions. [2021-11-22 23:16:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2723 transitions. [2021-11-22 23:16:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:43,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:43,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:16:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 1823 states and 2729 transitions. [2021-11-22 23:16:45,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2729 transitions. [2021-11-22 23:16:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:45,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:45,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:45,246 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:16:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:47,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 1826 states and 2732 transitions. [2021-11-22 23:16:47,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2732 transitions. [2021-11-22 23:16:47,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:47,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:47,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:53,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 1839 states and 2748 transitions. [2021-11-22 23:16:53,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2748 transitions. [2021-11-22 23:16:53,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:53,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:53,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 1847 states and 2755 transitions. [2021-11-22 23:16:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2755 transitions. [2021-11-22 23:16:53,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:16:53,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 1845 states and 2750 transitions. [2021-11-22 23:16:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2750 transitions. [2021-11-22 23:16:54,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:16:54,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:17:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 1870 states and 2777 transitions. [2021-11-22 23:17:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2777 transitions. [2021-11-22 23:17:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:17:03,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:03,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:17:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 1871 states and 2778 transitions. [2021-11-22 23:17:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2778 transitions. [2021-11-22 23:17:03,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:17:03,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:03,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 1886 states and 2795 transitions. [2021-11-22 23:17:04,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2795 transitions. [2021-11-22 23:17:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:17:04,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:04,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:05,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 1887 states and 2796 transitions. [2021-11-22 23:17:05,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2796 transitions. [2021-11-22 23:17:05,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:17:05,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:05,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 1905 states and 2818 transitions. [2021-11-22 23:17:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2818 transitions. [2021-11-22 23:17:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:17:06,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:06,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:06,295 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:07,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 1908 states and 2823 transitions. [2021-11-22 23:17:07,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2823 transitions. [2021-11-22 23:17:07,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:17:07,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:07,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:17:10,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 1911 states and 2837 transitions. [2021-11-22 23:17:10,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2837 transitions. [2021-11-22 23:17:10,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:17:10,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 1912 states and 2838 transitions. [2021-11-22 23:17:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2838 transitions. [2021-11-22 23:17:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:17:10,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,247 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 1907 states and 2830 transitions. [2021-11-22 23:17:10,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2830 transitions. [2021-11-22 23:17:10,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:17:10,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,302 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 1909 states and 2832 transitions. [2021-11-22 23:17:12,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2832 transitions. [2021-11-22 23:17:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:17:12,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,205 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 1922 states and 2849 transitions. [2021-11-22 23:17:18,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2849 transitions. [2021-11-22 23:17:18,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:17:18,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:18,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:17:23,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 1932 states and 2862 transitions. [2021-11-22 23:17:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2862 transitions. [2021-11-22 23:17:23,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:17:23,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:17:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 1934 states and 2882 transitions. [2021-11-22 23:17:25,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2882 transitions. [2021-11-22 23:17:25,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:17:25,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:17:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 1936 states and 2883 transitions. [2021-11-22 23:17:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2883 transitions. [2021-11-22 23:17:27,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:17:27,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:17:31,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 1947 states and 2895 transitions. [2021-11-22 23:17:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2895 transitions. [2021-11-22 23:17:31,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:17:31,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:17:42,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 1977 states and 2977 transitions. [2021-11-22 23:17:42,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2977 transitions. [2021-11-22 23:17:42,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:17:42,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:43,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 1974 states and 2970 transitions. [2021-11-22 23:17:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2970 transitions. [2021-11-22 23:17:43,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:17:43,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:44,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 1991 states and 2989 transitions. [2021-11-22 23:17:44,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2989 transitions. [2021-11-22 23:17:44,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:17:44,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,704 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 2030 states and 3077 transitions. [2021-11-22 23:17:57,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 3077 transitions. [2021-11-22 23:17:57,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:17:57,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:17:58,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 2031 states and 3078 transitions. [2021-11-22 23:17:58,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 3078 transitions. [2021-11-22 23:17:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:17:58,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:17:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 2033 states and 3079 transitions. [2021-11-22 23:17:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 3079 transitions. [2021-11-22 23:17:59,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:17:59,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:18:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 2053 states and 3123 transitions. [2021-11-22 23:18:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 3123 transitions. [2021-11-22 23:18:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:06,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 2073 states and 3147 transitions. [2021-11-22 23:18:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 3147 transitions. [2021-11-22 23:18:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:07,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 2095 states and 3193 transitions. [2021-11-22 23:18:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 3193 transitions. [2021-11-22 23:18:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:26,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 2126 states and 3223 transitions. [2021-11-22 23:18:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 3223 transitions. [2021-11-22 23:18:27,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:27,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:30,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3260 states to 2152 states and 3260 transitions. [2021-11-22 23:18:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 3260 transitions. [2021-11-22 23:18:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:30,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,749 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:18:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 2172 states and 3279 transitions. [2021-11-22 23:18:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 3279 transitions. [2021-11-22 23:18:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:31,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:18:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2173 states and 3281 transitions. [2021-11-22 23:18:31,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 3281 transitions. [2021-11-22 23:18:31,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:31,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:18:33,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 2174 states and 3284 transitions. [2021-11-22 23:18:33,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 3284 transitions. [2021-11-22 23:18:33,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:33,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,888 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:18:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 2178 states and 3292 transitions. [2021-11-22 23:18:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 3292 transitions. [2021-11-22 23:18:38,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:38,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 2185 states and 3310 transitions. [2021-11-22 23:18:45,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 3310 transitions. [2021-11-22 23:18:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:45,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,959 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 2188 states and 3314 transitions. [2021-11-22 23:18:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3314 transitions. [2021-11-22 23:18:48,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:48,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 2191 states and 3317 transitions. [2021-11-22 23:18:51,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 3317 transitions. [2021-11-22 23:18:51,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:51,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:18:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 2192 states and 3321 transitions. [2021-11-22 23:18:52,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 3321 transitions. [2021-11-22 23:18:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:18:52,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:19:08,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 2223 states and 3414 transitions. [2021-11-22 23:19:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 3414 transitions. [2021-11-22 23:19:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:19:08,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:08,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,209 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:19:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:13,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 2227 states and 3420 transitions. [2021-11-22 23:19:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 3420 transitions. [2021-11-22 23:19:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:19:13,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:13,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:13,795 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:15,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 2230 states and 3426 transitions. [2021-11-22 23:19:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 3426 transitions. [2021-11-22 23:19:15,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:19:15,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:15,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 2235 states and 3433 transitions. [2021-11-22 23:19:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 3433 transitions. [2021-11-22 23:19:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:20,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:20,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:20,330 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:19:29,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3461 states to 2249 states and 3461 transitions. [2021-11-22 23:19:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 3461 transitions. [2021-11-22 23:19:29,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:29,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 55 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:31,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 2249 states and 3460 transitions. [2021-11-22 23:19:31,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 3460 transitions. [2021-11-22 23:19:31,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:31,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:31,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 2269 states and 3480 transitions. [2021-11-22 23:19:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 3480 transitions. [2021-11-22 23:19:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:32,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:32,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:19:39,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 2278 states and 3495 transitions. [2021-11-22 23:19:39,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 3495 transitions. [2021-11-22 23:19:39,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:39,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:19:40,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 2298 states and 3514 transitions. [2021-11-22 23:19:40,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 3514 transitions. [2021-11-22 23:19:40,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:40,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:40,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:40,557 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:19:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 2299 states and 3517 transitions. [2021-11-22 23:19:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 3517 transitions. [2021-11-22 23:19:42,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:42,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:42,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3518 states to 2300 states and 3518 transitions. [2021-11-22 23:19:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 3518 transitions. [2021-11-22 23:19:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:43,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:43,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:19:43,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 2301 states and 3520 transitions. [2021-11-22 23:19:43,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 3520 transitions. [2021-11-22 23:19:43,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:43,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:43,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:43,256 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 2302 states and 3521 transitions. [2021-11-22 23:19:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 3521 transitions. [2021-11-22 23:19:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:43,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:43,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:19:45,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:45,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3525 states to 2303 states and 3525 transitions. [2021-11-22 23:19:45,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3525 transitions. [2021-11-22 23:19:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:45,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:45,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:19:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 2321 states and 3548 transitions. [2021-11-22 23:19:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3548 transitions. [2021-11-22 23:19:50,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:50,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:19:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3550 states to 2322 states and 3550 transitions. [2021-11-22 23:19:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 3550 transitions. [2021-11-22 23:19:51,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:51,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:51,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:19:53,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:53,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 2340 states and 3570 transitions. [2021-11-22 23:19:53,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 3570 transitions. [2021-11-22 23:19:53,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:53,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:53,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:53,225 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:19:59,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 2344 states and 3578 transitions. [2021-11-22 23:19:59,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 3578 transitions. [2021-11-22 23:19:59,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:59,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:59,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:59,341 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:00,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:00,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3599 states to 2363 states and 3599 transitions. [2021-11-22 23:20:00,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 3599 transitions. [2021-11-22 23:20:00,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:20:01,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:01,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:20:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:04,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 2381 states and 3618 transitions. [2021-11-22 23:20:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3618 transitions. [2021-11-22 23:20:04,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:20:04,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:04,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:20:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:06,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3612 states to 2380 states and 3612 transitions. [2021-11-22 23:20:06,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 3612 transitions. [2021-11-22 23:20:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:20:06,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:06,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:16,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:16,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 2386 states and 3642 transitions. [2021-11-22 23:20:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 3642 transitions. [2021-11-22 23:20:16,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:20:16,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:16,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:20:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:21,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 2390 states and 3663 transitions. [2021-11-22 23:20:21,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 3663 transitions. [2021-11-22 23:20:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:20:21,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:21,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:26,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 2407 states and 3688 transitions. [2021-11-22 23:20:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 3688 transitions. [2021-11-22 23:20:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:20:26,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:26,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:20:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3698 states to 2416 states and 3698 transitions. [2021-11-22 23:20:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 3698 transitions. [2021-11-22 23:20:28,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:20:28,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:28,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:20:30,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:30,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3706 states to 2425 states and 3706 transitions. [2021-11-22 23:20:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2425 states and 3706 transitions. [2021-11-22 23:20:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:20:30,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:30,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:20:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 2426 states and 3707 transitions. [2021-11-22 23:20:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 3707 transitions. [2021-11-22 23:20:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:31,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,059 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-22 23:20:32,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 2427 states and 3709 transitions. [2021-11-22 23:20:32,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 3709 transitions. [2021-11-22 23:20:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:32,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:20:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 2429 states and 3714 transitions. [2021-11-22 23:20:35,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 3714 transitions. [2021-11-22 23:20:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:35,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:20:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 2432 states and 3720 transitions. [2021-11-22 23:20:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 3720 transitions. [2021-11-22 23:20:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:38,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,599 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:20:40,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 2449 states and 3736 transitions. [2021-11-22 23:20:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 3736 transitions. [2021-11-22 23:20:40,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:40,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:20:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 2458 states and 3744 transitions. [2021-11-22 23:20:41,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3744 transitions. [2021-11-22 23:20:41,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:41,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:20:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 2462 states and 3747 transitions. [2021-11-22 23:20:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 3747 transitions. [2021-11-22 23:20:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:44,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-22 23:20:45,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:46,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 2463 states and 3767 transitions. [2021-11-22 23:20:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 3767 transitions. [2021-11-22 23:20:46,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:46,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:46,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:47,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 2463 states and 3766 transitions. [2021-11-22 23:20:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 3766 transitions. [2021-11-22 23:20:47,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:47,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:20:49,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3776 states to 2472 states and 3776 transitions. [2021-11-22 23:20:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 3776 transitions. [2021-11-22 23:20:49,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:49,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:20:57,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 2492 states and 3819 transitions. [2021-11-22 23:20:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 3819 transitions. [2021-11-22 23:20:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:57,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:57,358 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:20:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 2500 states and 3826 transitions. [2021-11-22 23:20:58,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3826 transitions. [2021-11-22 23:20:58,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:58,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,582 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:21:00,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 2502 states and 3827 transitions. [2021-11-22 23:21:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3827 transitions. [2021-11-22 23:21:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:21:00,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.