./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.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_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/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_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/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_76141157-4747-4247-9a05-72d2ae306797/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 fe9d78f75108492828570ec5eb222efdf0cf36e1ec4bcab23f2d45d29dbfe193 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:57:41,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:57:41,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:57:41,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:57:41,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:57:41,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:57:41,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:57:41,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:57:41,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:57:41,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:57:41,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:57:41,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:57:41,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:57:41,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:57:41,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:57:41,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:57:41,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:57:41,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:57:41,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:57:41,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:57:41,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:57:41,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:57:41,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:57:41,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:57:41,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:57:41,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:57:41,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:57:41,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:57:41,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:57:41,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:57:41,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:57:41,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:57:41,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:57:41,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:57:41,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:57:41,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:57:41,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:57:41,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:57:41,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:57:41,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:57:41,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:57:41,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:57:41,461 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:57:41,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:57:41,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:57:41,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:57:41,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:57:41,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:57:41,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:57:41,465 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:57:41,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:57:41,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:57:41,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:57:41,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:57:41,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:57:41,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:57:41,474 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:57:41,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:57:41,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:57:41,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:57:41,475 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:57:41,476 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:57:41,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:57:41,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:41,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:57:41,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:57:41,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:57:41,477 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:57:41,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:57:41,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:57:41,478 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_76141157-4747-4247-9a05-72d2ae306797/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe9d78f75108492828570ec5eb222efdf0cf36e1ec4bcab23f2d45d29dbfe193 [2021-11-23 00:57:41,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:57:41,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:57:41,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:57:41,865 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:57:41,866 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:57:41,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c [2021-11-23 00:57:41,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ/data/041159831/fd49fb9e54444278a6812d4eb5ffbc60/FLAG39e060db4 [2021-11-23 00:57:42,510 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:57:42,520 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c [2021-11-23 00:57:42,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ/data/041159831/fd49fb9e54444278a6812d4eb5ffbc60/FLAG39e060db4 [2021-11-23 00:57:42,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ/data/041159831/fd49fb9e54444278a6812d4eb5ffbc60 [2021-11-23 00:57:42,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:57:42,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:57:42,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:42,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:57:42,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:57:42,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:42" (1/1) ... [2021-11-23 00:57:42,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73875d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:42, skipping insertion in model container [2021-11-23 00:57:42,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:42" (1/1) ... [2021-11-23 00:57:42,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:57:42,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:57:43,200 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_76141157-4747-4247-9a05-72d2ae306797/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c[30996,31009] [2021-11-23 00:57:43,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:43,214 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:57:43,358 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_76141157-4747-4247-9a05-72d2ae306797/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c[30996,31009] [2021-11-23 00:57:43,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:43,382 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:57:43,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:43 WrapperNode [2021-11-23 00:57:43,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:43,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:43,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:57:43,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:57:43,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:43" (1/1) ... [2021-11-23 00:57:43,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:43" (1/1) ... [2021-11-23 00:57:43,525 INFO L137 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1007 [2021-11-23 00:57:43,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:43,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:57:43,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:57:43,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:57:43,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:43" (1/1) ... [2021-11-23 00:57:43,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:43" (1/1) ... [2021-11-23 00:57:43,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:43" (1/1) ... [2021-11-23 00:57:43,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:43" (1/1) ... [2021-11-23 00:57:43,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:43" (1/1) ... [2021-11-23 00:57:43,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:43" (1/1) ... [2021-11-23 00:57:43,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:43" (1/1) ... [2021-11-23 00:57:43,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:57:43,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:57:43,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:57:43,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:57:43,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:43" (1/1) ... [2021-11-23 00:57:43,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:43,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:57:43,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:57:43,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76141157-4747-4247-9a05-72d2ae306797/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:57:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:57:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:57:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:57:43,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:57:43,931 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:57:43,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:57:44,966 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:57:46,181 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:57:46,181 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:57:46,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:46 BoogieIcfgContainer [2021-11-23 00:57:46,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:57:46,186 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:57:46,186 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:57:46,197 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:57:46,198 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:46" (1/1) ... [2021-11-23 00:57:46,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:57:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2021-11-23 00:57:46,317 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2021-11-23 00:57:46,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:57:46,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:46,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:47,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 142 states and 228 transitions. [2021-11-23 00:57:47,479 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 228 transitions. [2021-11-23 00:57:47,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:57:47,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:47,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:48,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 145 states and 235 transitions. [2021-11-23 00:57:48,374 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 235 transitions. [2021-11-23 00:57:48,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:57:48,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:48,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 149 states and 244 transitions. [2021-11-23 00:57:49,197 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 244 transitions. [2021-11-23 00:57:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:57:49,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:49,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 154 states and 255 transitions. [2021-11-23 00:57:50,156 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 255 transitions. [2021-11-23 00:57:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:57:50,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:50,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:51,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 160 states and 268 transitions. [2021-11-23 00:57:51,377 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 268 transitions. [2021-11-23 00:57:51,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:57:51,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:51,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:53,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 168 states and 283 transitions. [2021-11-23 00:57:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 283 transitions. [2021-11-23 00:57:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:57:53,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:53,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:53,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:54,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:54,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 175 states and 297 transitions. [2021-11-23 00:57:54,824 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 297 transitions. [2021-11-23 00:57:54,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:57:54,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:54,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:54,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:55,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:55,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 176 states and 297 transitions. [2021-11-23 00:57:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 297 transitions. [2021-11-23 00:57:55,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:57:55,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:55,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:55,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:55,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:55,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 177 states and 298 transitions. [2021-11-23 00:57:55,322 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 298 transitions. [2021-11-23 00:57:55,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:57:55,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:55,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 188 states and 317 transitions. [2021-11-23 00:57:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 317 transitions. [2021-11-23 00:57:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:57:58,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:58,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 191 states and 321 transitions. [2021-11-23 00:57:58,812 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 321 transitions. [2021-11-23 00:57:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:57:58,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:58,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 208 states and 358 transitions. [2021-11-23 00:58:05,056 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 358 transitions. [2021-11-23 00:58:05,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:58:05,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 226 states and 396 transitions. [2021-11-23 00:58:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 396 transitions. [2021-11-23 00:58:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:58:11,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 227 states and 399 transitions. [2021-11-23 00:58:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 399 transitions. [2021-11-23 00:58:12,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:58:12,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 246 states and 440 transitions. [2021-11-23 00:58:19,531 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 440 transitions. [2021-11-23 00:58:19,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:58:19,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 248 states and 444 transitions. [2021-11-23 00:58:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 444 transitions. [2021-11-23 00:58:20,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:58:20,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 268 states and 487 transitions. [2021-11-23 00:58:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 487 transitions. [2021-11-23 00:58:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:58:28,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 271 states and 494 transitions. [2021-11-23 00:58:29,857 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 494 transitions. [2021-11-23 00:58:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:58:29,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,103 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 272 states and 495 transitions. [2021-11-23 00:58:30,690 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 495 transitions. [2021-11-23 00:58:30,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:58:30,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,399 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 287 states and 528 transitions. [2021-11-23 00:58:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 528 transitions. [2021-11-23 00:58:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:58:37,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 289 states and 532 transitions. [2021-11-23 00:58:38,987 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 532 transitions. [2021-11-23 00:58:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:58:38,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 291 states and 539 transitions. [2021-11-23 00:58:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 539 transitions. [2021-11-23 00:58:40,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:58:40,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,469 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 292 states and 540 transitions. [2021-11-23 00:58:41,110 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 540 transitions. [2021-11-23 00:58:41,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:58:41,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 293 states and 541 transitions. [2021-11-23 00:58:41,919 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 541 transitions. [2021-11-23 00:58:41,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:58:41,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 294 states and 542 transitions. [2021-11-23 00:58:42,773 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 542 transitions. [2021-11-23 00:58:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:58:42,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,111 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 315 states and 581 transitions. [2021-11-23 00:58:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 581 transitions. [2021-11-23 00:58:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:58:53,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 320 states and 595 transitions. [2021-11-23 00:58:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 595 transitions. [2021-11-23 00:58:56,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:58:56,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,429 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 323 states and 601 transitions. [2021-11-23 00:58:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 601 transitions. [2021-11-23 00:58:59,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:58:59,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 326 states and 604 transitions. [2021-11-23 00:59:02,063 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 604 transitions. [2021-11-23 00:59:02,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:59:02,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:03,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 327 states and 605 transitions. [2021-11-23 00:59:03,140 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 605 transitions. [2021-11-23 00:59:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:59:03,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:03,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:04,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:13,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 349 states and 646 transitions. [2021-11-23 00:59:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 646 transitions. [2021-11-23 00:59:13,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:59:13,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:13,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:14,661 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:21,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:21,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 357 states and 666 transitions. [2021-11-23 00:59:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 666 transitions. [2021-11-23 00:59:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:59:21,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:21,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:34,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:34,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 372 states and 727 transitions. [2021-11-23 00:59:34,748 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 727 transitions. [2021-11-23 00:59:34,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:59:34,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:34,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:39,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 378 states and 741 transitions. [2021-11-23 00:59:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 741 transitions. [2021-11-23 00:59:39,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 00:59:39,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:39,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:59:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 393 states and 784 transitions. [2021-11-23 00:59:48,263 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 784 transitions. [2021-11-23 00:59:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 00:59:48,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:48,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:48,481 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:59:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 399 states and 793 transitions. [2021-11-23 00:59:52,258 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 793 transitions. [2021-11-23 00:59:52,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:59:52,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:52,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:53,491 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:02,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 411 states and 819 transitions. [2021-11-23 01:00:02,031 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 819 transitions. [2021-11-23 01:00:02,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:00:02,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:02,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:05,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 414 states and 823 transitions. [2021-11-23 01:00:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 823 transitions. [2021-11-23 01:00:05,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:00:05,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:05,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:14,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:14,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 424 states and 841 transitions. [2021-11-23 01:00:14,593 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 841 transitions. [2021-11-23 01:00:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:00:14,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:14,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 426 states and 848 transitions. [2021-11-23 01:00:17,185 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 848 transitions. [2021-11-23 01:00:17,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:00:17,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:17,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 427 states and 852 transitions. [2021-11-23 01:00:18,695 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 852 transitions. [2021-11-23 01:00:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:00:18,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:18,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:19,096 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 428 states and 858 transitions. [2021-11-23 01:00:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 858 transitions. [2021-11-23 01:00:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:00:19,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:19,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:21,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 429 states and 862 transitions. [2021-11-23 01:00:21,197 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 862 transitions. [2021-11-23 01:00:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:00:21,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:21,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:30,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:30,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 440 states and 890 transitions. [2021-11-23 01:00:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 890 transitions. [2021-11-23 01:00:30,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:00:30,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:30,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:31,089 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 443 states and 903 transitions. [2021-11-23 01:00:33,840 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 903 transitions. [2021-11-23 01:00:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:00:33,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:33,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:34,073 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 444 states and 907 transitions. [2021-11-23 01:00:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 907 transitions. [2021-11-23 01:00:35,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:00:35,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:35,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:42,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 447 states and 913 transitions. [2021-11-23 01:00:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 913 transitions. [2021-11-23 01:00:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:00:42,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:42,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:44,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:44,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 449 states and 926 transitions. [2021-11-23 01:00:44,582 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 926 transitions. [2021-11-23 01:00:44,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:00:44,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:44,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:44,881 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:47,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 451 states and 939 transitions. [2021-11-23 01:00:47,042 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 939 transitions. [2021-11-23 01:00:47,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:00:47,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:47,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 452 states and 945 transitions. [2021-11-23 01:00:48,495 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 945 transitions. [2021-11-23 01:00:48,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:00:48,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:48,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:49,766 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:58,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:58,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 467 states and 977 transitions. [2021-11-23 01:00:58,884 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 977 transitions. [2021-11-23 01:00:58,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:00:58,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:58,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:05,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 477 states and 1004 transitions. [2021-11-23 01:01:05,891 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1004 transitions. [2021-11-23 01:01:05,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:01:05,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:05,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 483 states and 1025 transitions. [2021-11-23 01:01:11,961 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1025 transitions. [2021-11-23 01:01:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:01:11,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:11,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:12,110 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:13,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:13,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 484 states and 1026 transitions. [2021-11-23 01:01:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1026 transitions. [2021-11-23 01:01:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:01:13,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:13,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 486 states and 1034 transitions. [2021-11-23 01:01:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1034 transitions. [2021-11-23 01:01:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:01:18,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:18,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:18,529 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:25,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 492 states and 1056 transitions. [2021-11-23 01:01:25,256 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 1056 transitions. [2021-11-23 01:01:25,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:01:25,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:25,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:26,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:26,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 493 states and 1057 transitions. [2021-11-23 01:01:26,858 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1057 transitions. [2021-11-23 01:01:26,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:01:26,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:26,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:31,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 497 states and 1075 transitions. [2021-11-23 01:01:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 1075 transitions. [2021-11-23 01:01:31,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:01:31,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:31,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:12,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:12,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 536 states and 1179 transitions. [2021-11-23 01:02:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1179 transitions. [2021-11-23 01:02:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:02:12,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:12,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 549 states and 1214 transitions. [2021-11-23 01:02:28,292 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1214 transitions. [2021-11-23 01:02:28,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:02:28,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,075 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 554 states and 1233 transitions. [2021-11-23 01:02:38,859 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1233 transitions. [2021-11-23 01:02:38,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:02:38,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:38,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 555 states and 1234 transitions. [2021-11-23 01:02:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1234 transitions. [2021-11-23 01:02:42,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:02:42,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:42,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:43,638 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 556 states and 1235 transitions. [2021-11-23 01:02:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1235 transitions. [2021-11-23 01:02:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:02:45,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:45,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:00,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 561 states and 1252 transitions. [2021-11-23 01:03:00,896 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1252 transitions. [2021-11-23 01:03:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:03:00,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:00,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 568 states and 1266 transitions. [2021-11-23 01:03:09,400 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 1266 transitions. [2021-11-23 01:03:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:03:09,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:09,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:09,882 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:25,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:25,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 581 states and 1312 transitions. [2021-11-23 01:03:25,749 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1312 transitions. [2021-11-23 01:03:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:03:25,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:25,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:28,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 582 states and 1314 transitions. [2021-11-23 01:03:28,094 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1314 transitions. [2021-11-23 01:03:28,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:03:28,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,449 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:33,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 585 states and 1317 transitions. [2021-11-23 01:03:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1317 transitions. [2021-11-23 01:03:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:03:33,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:33,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:35,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:35,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 586 states and 1318 transitions. [2021-11-23 01:03:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1318 transitions. [2021-11-23 01:03:35,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:03:35,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:35,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 607 states and 1351 transitions. [2021-11-23 01:03:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1351 transitions. [2021-11-23 01:03:50,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:03:50,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:50,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:51,180 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:06,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 621 states and 1393 transitions. [2021-11-23 01:04:06,251 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1393 transitions. [2021-11-23 01:04:06,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:04:06,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:06,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:09,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:09,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 623 states and 1396 transitions. [2021-11-23 01:04:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1396 transitions. [2021-11-23 01:04:09,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:04:09,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:09,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 624 states and 1397 transitions. [2021-11-23 01:04:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1397 transitions. [2021-11-23 01:04:11,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:04:11,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:11,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:36,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:36,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 649 states and 1432 transitions. [2021-11-23 01:04:36,366 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1432 transitions. [2021-11-23 01:04:36,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:04:36,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:36,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:46,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 658 states and 1443 transitions. [2021-11-23 01:04:46,974 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1443 transitions. [2021-11-23 01:04:46,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:04:46,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:46,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 689 states and 1510 transitions. [2021-11-23 01:05:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1510 transitions. [2021-11-23 01:05:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:05:24,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:24,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 699 states and 1545 transitions. [2021-11-23 01:05:39,785 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1545 transitions. [2021-11-23 01:05:39,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:05:39,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:39,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:43,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:43,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 700 states and 1556 transitions. [2021-11-23 01:05:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1556 transitions. [2021-11-23 01:05:43,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:05:43,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:43,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 709 states and 1577 transitions. [2021-11-23 01:05:56,321 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1577 transitions. [2021-11-23 01:05:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:05:56,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:56,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 755 states and 1670 transitions. [2021-11-23 01:06:37,267 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1670 transitions. [2021-11-23 01:06:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:06:37,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:37,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:38,930 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:51,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:51,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 764 states and 1693 transitions. [2021-11-23 01:06:51,527 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1693 transitions. [2021-11-23 01:06:51,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:06:51,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:51,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:55,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 765 states and 1707 transitions. [2021-11-23 01:06:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1707 transitions. [2021-11-23 01:06:55,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:06:55,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:55,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:08,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 774 states and 1725 transitions. [2021-11-23 01:07:08,403 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1725 transitions. [2021-11-23 01:07:08,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:07:08,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:08,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:10,045 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:19,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 783 states and 1748 transitions. [2021-11-23 01:07:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1748 transitions. [2021-11-23 01:07:19,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 01:07:19,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:19,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:35,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:35,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 792 states and 1768 transitions. [2021-11-23 01:07:35,429 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1768 transitions. [2021-11-23 01:07:35,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 01:07:35,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:35,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:36,729 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 793 states and 1778 transitions. [2021-11-23 01:07:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1778 transitions. [2021-11-23 01:07:38,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 01:07:38,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:38,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 802 states and 1791 transitions. [2021-11-23 01:07:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1791 transitions. [2021-11-23 01:07:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 01:07:48,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:48,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 805 states and 1806 transitions. [2021-11-23 01:07:54,671 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1806 transitions. [2021-11-23 01:07:54,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 01:07:54,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:54,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:07,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:07,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 814 states and 1828 transitions. [2021-11-23 01:08:07,157 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1828 transitions. [2021-11-23 01:08:07,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 01:08:07,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:07,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:18,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 823 states and 1843 transitions. [2021-11-23 01:08:18,791 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1843 transitions. [2021-11-23 01:08:18,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:08:18,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:18,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:55,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 861 states and 1904 transitions. [2021-11-23 01:08:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1904 transitions. [2021-11-23 01:08:55,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:08:55,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:55,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:06,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 870 states and 1921 transitions. [2021-11-23 01:09:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1921 transitions. [2021-11-23 01:09:06,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:09:06,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:06,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:10,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:10,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 871 states and 1937 transitions. [2021-11-23 01:09:10,658 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1937 transitions. [2021-11-23 01:09:10,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:09:10,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:10,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:16,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 874 states and 1959 transitions. [2021-11-23 01:09:16,531 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1959 transitions. [2021-11-23 01:09:16,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:09:16,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:16,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.