./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/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_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:24:03,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:24:03,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:24:03,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:24:03,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:24:03,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:24:03,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:24:03,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:24:03,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:24:03,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:24:03,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:24:03,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:24:03,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:24:03,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:24:03,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:24:03,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:24:03,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:24:03,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:24:03,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:24:03,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:24:03,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:24:03,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:24:03,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:24:03,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:24:03,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:24:03,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:24:03,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:24:03,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:24:03,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:24:03,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:24:03,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:24:03,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:24:03,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:24:03,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:24:03,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:24:03,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:24:03,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:24:03,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:24:03,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:24:03,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:24:03,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:24:03,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:24:03,575 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:24:03,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:24:03,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:24:03,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:24:03,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:24:03,579 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:24:03,579 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:24:03,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:24:03,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:24:03,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:24:03,580 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:24:03,580 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:24:03,581 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:24:03,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:24:03,581 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:24:03,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:24:03,582 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:24:03,582 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:24:03,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:24:03,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:03,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:24:03,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:24:03,583 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:24:03,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:24:03,584 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_55ae9547-8c53-4adb-b96c-6a582542e39c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2021-11-22 23:24:03,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:24:03,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:24:03,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:24:03,889 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:24:03,890 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:24:03,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2021-11-22 23:24:03,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/data/89532aec4/65329bfa14f44781a1a886ebcc0d598b/FLAG02c24d378 [2021-11-22 23:24:04,484 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:24:04,485 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/sv-benchmarks/c/list-simple/dll2c_update_all.i [2021-11-22 23:24:04,508 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/data/89532aec4/65329bfa14f44781a1a886ebcc0d598b/FLAG02c24d378 [2021-11-22 23:24:04,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/data/89532aec4/65329bfa14f44781a1a886ebcc0d598b [2021-11-22 23:24:04,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:24:04,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:24:04,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:04,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:24:04,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:24:04,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:04" (1/1) ... [2021-11-22 23:24:04,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c263b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:04, skipping insertion in model container [2021-11-22 23:24:04,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:04" (1/1) ... [2021-11-22 23:24:04,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:24:04,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:24:05,255 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_55ae9547-8c53-4adb-b96c-6a582542e39c/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2021-11-22 23:24:05,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:05,275 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:24:05,322 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_55ae9547-8c53-4adb-b96c-6a582542e39c/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2021-11-22 23:24:05,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:05,353 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:24:05,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:05 WrapperNode [2021-11-22 23:24:05,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:05,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:05,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:24:05,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:24:05,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:05" (1/1) ... [2021-11-22 23:24:05,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:05" (1/1) ... [2021-11-22 23:24:05,454 INFO L137 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 151 [2021-11-22 23:24:05,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:05,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:24:05,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:24:05,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:24:05,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:05" (1/1) ... [2021-11-22 23:24:05,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:05" (1/1) ... [2021-11-22 23:24:05,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:05" (1/1) ... [2021-11-22 23:24:05,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:05" (1/1) ... [2021-11-22 23:24:05,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:05" (1/1) ... [2021-11-22 23:24:05,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:05" (1/1) ... [2021-11-22 23:24:05,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:05" (1/1) ... [2021-11-22 23:24:05,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:24:05,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:24:05,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:24:05,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:24:05,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:05" (1/1) ... [2021-11-22 23:24:05,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:05,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:24:05,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:24:05,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ae9547-8c53-4adb-b96c-6a582542e39c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:24:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:24:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:24:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:24:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:24:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:24:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:24:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:24:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:24:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:24:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:24:05,763 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:24:05,765 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:24:06,223 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:24:06,287 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:24:06,288 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-22 23:24:06,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:06 BoogieIcfgContainer [2021-11-22 23:24:06,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:24:06,292 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:24:06,293 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:24:06,314 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:24:06,321 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:06" (1/1) ... [2021-11-22 23:24:06,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:24:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2021-11-22 23:24:06,395 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2021-11-22 23:24:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:24:06,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:06,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:06,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:06,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2021-11-22 23:24:06,586 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-11-22 23:24:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:24:06,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:06,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:06,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2021-11-22 23:24:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2021-11-22 23:24:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:24:06,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:06,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2021-11-22 23:24:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2021-11-22 23:24:06,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:24:06,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:06,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2021-11-22 23:24:07,037 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-11-22 23:24:07,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:24:07,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2021-11-22 23:24:07,100 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-11-22 23:24:07,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:24:07,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2021-11-22 23:24:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-22 23:24:07,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:24:07,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 87 transitions. [2021-11-22 23:24:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2021-11-22 23:24:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:24:07,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2021-11-22 23:24:07,561 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2021-11-22 23:24:07,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:24:07,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 74 states and 85 transitions. [2021-11-22 23:24:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2021-11-22 23:24:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:24:07,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2021-11-22 23:24:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2021-11-22 23:24:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:24:07,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2021-11-22 23:24:07,735 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2021-11-22 23:24:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:24:07,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2021-11-22 23:24:07,776 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2021-11-22 23:24:07,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:24:07,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2021-11-22 23:24:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2021-11-22 23:24:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:24:07,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2021-11-22 23:24:07,923 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2021-11-22 23:24:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:24:07,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:08,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:08,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:08,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2021-11-22 23:24:08,171 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2021-11-22 23:24:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:24:08,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:08,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2021-11-22 23:24:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2021-11-22 23:24:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:24:08,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:08,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:09,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2021-11-22 23:24:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2021-11-22 23:24:09,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:24:09,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:09,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:10,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 90 states and 112 transitions. [2021-11-22 23:24:10,875 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2021-11-22 23:24:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:24:10,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:10,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:11,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:12,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 101 states and 140 transitions. [2021-11-22 23:24:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 140 transitions. [2021-11-22 23:24:12,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:24:12,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:12,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 112 states and 171 transitions. [2021-11-22 23:24:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2021-11-22 23:24:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:15,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:15,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:16,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:16,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 116 states and 184 transitions. [2021-11-22 23:24:16,807 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2021-11-22 23:24:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:16,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:16,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:18,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2021-11-22 23:24:18,300 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2021-11-22 23:24:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:24:18,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:18,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:24:18,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 123 states and 201 transitions. [2021-11-22 23:24:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2021-11-22 23:24:18,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:24:18,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:18,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:19,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:19,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 126 states and 210 transitions. [2021-11-22 23:24:19,723 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 210 transitions. [2021-11-22 23:24:19,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:24:19,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:19,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:19,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:24:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:20,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 128 states and 216 transitions. [2021-11-22 23:24:20,782 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 216 transitions. [2021-11-22 23:24:20,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:24:20,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:20,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:24:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 141 states and 249 transitions. [2021-11-22 23:24:25,220 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 249 transitions. [2021-11-22 23:24:25,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:24:25,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:25,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:25,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:24:26,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 143 states and 252 transitions. [2021-11-22 23:24:26,030 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 252 transitions. [2021-11-22 23:24:26,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:24:26,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:26,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:24:26,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 144 states and 253 transitions. [2021-11-22 23:24:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 253 transitions. [2021-11-22 23:24:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:24:26,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:26,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:26,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:24:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 147 states and 262 transitions. [2021-11-22 23:24:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 262 transitions. [2021-11-22 23:24:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:24:27,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:27,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:27,280 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:29,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 155 states and 276 transitions. [2021-11-22 23:24:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 276 transitions. [2021-11-22 23:24:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:24:29,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:29,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:29,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:29,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2021-11-22 23:24:29,707 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2021-11-22 23:24:29,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:24:29,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:29,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:29,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:24:30,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:30,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2021-11-22 23:24:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2021-11-22 23:24:30,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:24:30,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:30,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:24:31,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 81 states and 118 transitions. [2021-11-22 23:24:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2021-11-22 23:24:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:24:31,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:31,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:24:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:32,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 83 states and 123 transitions. [2021-11-22 23:24:32,600 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 123 transitions. [2021-11-22 23:24:32,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:24:32,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:32,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:24:33,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 84 states and 126 transitions. [2021-11-22 23:24:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 126 transitions. [2021-11-22 23:24:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:24:33,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:33,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:35,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 90 states and 147 transitions. [2021-11-22 23:24:47,556 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 147 transitions. [2021-11-22 23:24:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:24:47,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 96 states and 167 transitions. [2021-11-22 23:25:04,667 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 167 transitions. [2021-11-22 23:25:04,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:25:04,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:25:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 97 states and 170 transitions. [2021-11-22 23:25:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 170 transitions. [2021-11-22 23:25:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:25:05,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,117 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:10,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 102 states and 188 transitions. [2021-11-22 23:25:10,414 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 188 transitions. [2021-11-22 23:25:10,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:25:10,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 105 states and 199 transitions. [2021-11-22 23:25:13,502 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 199 transitions. [2021-11-22 23:25:13,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:25:13,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 106 states and 202 transitions. [2021-11-22 23:25:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 202 transitions. [2021-11-22 23:25:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:25:14,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:18,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 109 states and 218 transitions. [2021-11-22 23:25:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 218 transitions. [2021-11-22 23:25:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:25:18,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,284 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:20,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 110 states and 221 transitions. [2021-11-22 23:25:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 221 transitions. [2021-11-22 23:25:20,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:25:20,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 111 states and 223 transitions. [2021-11-22 23:25:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 223 transitions. [2021-11-22 23:25:21,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:25:21,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 113 states and 231 transitions. [2021-11-22 23:25:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 231 transitions. [2021-11-22 23:25:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:25:23,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:24,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 114 states and 235 transitions. [2021-11-22 23:25:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 235 transitions. [2021-11-22 23:25:24,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:25:24,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 115 states and 239 transitions. [2021-11-22 23:25:25,259 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 239 transitions. [2021-11-22 23:25:25,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:25:25,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:26,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 116 states and 243 transitions. [2021-11-22 23:25:26,310 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 243 transitions. [2021-11-22 23:25:26,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:25:26,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:27,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 117 states and 244 transitions. [2021-11-22 23:25:27,450 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 244 transitions. [2021-11-22 23:25:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:25:27,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:28,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 118 states and 245 transitions. [2021-11-22 23:25:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 245 transitions. [2021-11-22 23:25:28,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:25:28,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:29,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 119 states and 246 transitions. [2021-11-22 23:25:29,513 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 246 transitions. [2021-11-22 23:25:29,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:25:29,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 120 states and 247 transitions. [2021-11-22 23:25:30,457 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 247 transitions. [2021-11-22 23:25:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:25:30,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:25:36,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:36,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 126 states and 262 transitions. [2021-11-22 23:25:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 262 transitions. [2021-11-22 23:25:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:25:36,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:36,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:36,607 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 129 states and 272 transitions. [2021-11-22 23:25:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 272 transitions. [2021-11-22 23:25:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:25:38,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:38,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:38,353 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:39,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 130 states and 273 transitions. [2021-11-22 23:25:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 273 transitions. [2021-11-22 23:25:39,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:25:39,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:39,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:39,387 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:25:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:40,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 131 states and 276 transitions. [2021-11-22 23:25:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 276 transitions. [2021-11-22 23:25:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:25:40,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:40,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:25:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:41,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 132 states and 277 transitions. [2021-11-22 23:25:41,740 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 277 transitions. [2021-11-22 23:25:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:25:41,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:41,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:42,156 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:25:43,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:43,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 133 states and 278 transitions. [2021-11-22 23:25:43,370 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 278 transitions. [2021-11-22 23:25:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:25:43,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:43,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:43,403 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:25:44,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:44,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 134 states and 279 transitions. [2021-11-22 23:25:44,302 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 279 transitions. [2021-11-22 23:25:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:25:44,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:44,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:25:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 74 states and 94 transitions. [2021-11-22 23:25:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2021-11-22 23:25:45,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:25:45,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:45,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:13,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 80 states and 111 transitions. [2021-11-22 23:26:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2021-11-22 23:26:13,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:26:13,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:13,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:14,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:16,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 80 states and 110 transitions. [2021-11-22 23:26:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2021-11-22 23:26:16,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:26:16,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:16,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:18,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 80 states and 109 transitions. [2021-11-22 23:26:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2021-11-22 23:26:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:26:18,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:18,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:18,736 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2021-11-22 23:26:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2021-11-22 23:26:20,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:26:20,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:20,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:20,594 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:26:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2021-11-22 23:26:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2021-11-22 23:26:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:26:23,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:23,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:26:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:27,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2021-11-22 23:26:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2021-11-22 23:26:27,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:26:27,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:27,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:26:29,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 89 states and 127 transitions. [2021-11-22 23:26:29,727 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2021-11-22 23:26:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:26:29,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:29,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:29,812 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:26:34,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:34,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 95 states and 149 transitions. [2021-11-22 23:26:34,573 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 149 transitions. [2021-11-22 23:26:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:26:34,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:34,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:26:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 99 states and 159 transitions. [2021-11-22 23:26:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2021-11-22 23:26:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:26:37,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:37,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:01,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 108 states and 191 transitions. [2021-11-22 23:27:01,325 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 191 transitions. [2021-11-22 23:27:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:27:01,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:01,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:04,810 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:21,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 117 states and 223 transitions. [2021-11-22 23:27:21,034 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 223 transitions. [2021-11-22 23:27:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:27:21,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:21,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 119 states and 228 transitions. [2021-11-22 23:27:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 228 transitions. [2021-11-22 23:27:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:27:22,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:22,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:25,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 119 states and 227 transitions. [2021-11-22 23:27:25,309 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 227 transitions. [2021-11-22 23:27:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:27:25,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:25,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:30,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 122 states and 235 transitions. [2021-11-22 23:27:30,222 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 235 transitions. [2021-11-22 23:27:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:27:30,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:30,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 122 states and 234 transitions. [2021-11-22 23:27:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 234 transitions. [2021-11-22 23:27:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:27:32,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:32,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:32,905 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 131 states and 265 transitions. [2021-11-22 23:27:48,647 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 265 transitions. [2021-11-22 23:27:48,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:27:48,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:48,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 134 states and 272 transitions. [2021-11-22 23:27:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 272 transitions. [2021-11-22 23:27:53,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:27:53,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:53,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:55,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 134 states and 271 transitions. [2021-11-22 23:27:55,911 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 271 transitions. [2021-11-22 23:27:55,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:27:55,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:55,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:27:58,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 130 states and 262 transitions. [2021-11-22 23:27:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 262 transitions. [2021-11-22 23:27:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:27:58,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:58,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:28:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 128 states and 259 transitions. [2021-11-22 23:28:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 259 transitions. [2021-11-22 23:28:00,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:28:00,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:00,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:28:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 130 states and 266 transitions. [2021-11-22 23:28:03,731 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 266 transitions. [2021-11-22 23:28:03,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:28:03,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:03,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:28:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 131 states and 269 transitions. [2021-11-22 23:28:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 269 transitions. [2021-11-22 23:28:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:28:06,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:06,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 143 states and 309 transitions. [2021-11-22 23:28:50,901 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 309 transitions. [2021-11-22 23:28:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:28:50,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:50,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:51,428 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:28:53,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 144 states and 312 transitions. [2021-11-22 23:28:53,532 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 312 transitions. [2021-11-22 23:28:53,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:28:53,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:53,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 144 states and 311 transitions. [2021-11-22 23:28:55,834 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 311 transitions. [2021-11-22 23:28:55,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:28:55,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:55,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:55,974 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 145 states and 314 transitions. [2021-11-22 23:28:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 314 transitions. [2021-11-22 23:28:58,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:28:58,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:58,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:29:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 146 states and 317 transitions. [2021-11-22 23:29:00,662 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 317 transitions. [2021-11-22 23:29:00,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:29:00,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:00,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:00,815 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 147 states and 320 transitions. [2021-11-22 23:29:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 320 transitions. [2021-11-22 23:29:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:29:03,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:03,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:03,476 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:05,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:05,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 148 states and 322 transitions. [2021-11-22 23:29:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 322 transitions. [2021-11-22 23:29:05,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:29:05,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:05,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:05,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:07,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 149 states and 325 transitions. [2021-11-22 23:29:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 325 transitions. [2021-11-22 23:29:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:29:07,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:07,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 149 states and 324 transitions. [2021-11-22 23:29:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 324 transitions. [2021-11-22 23:29:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:29:10,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:10,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:10,845 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:13,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 147 states and 320 transitions. [2021-11-22 23:29:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 320 transitions. [2021-11-22 23:29:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:29:13,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:13,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:29:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 149 states and 328 transitions. [2021-11-22 23:29:17,326 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 328 transitions. [2021-11-22 23:29:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:29:17,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:17,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:29:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:24,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 153 states and 346 transitions. [2021-11-22 23:29:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 346 transitions. [2021-11-22 23:29:24,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:29:24,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:24,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:29:33,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:33,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 158 states and 367 transitions. [2021-11-22 23:29:33,596 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 367 transitions. [2021-11-22 23:29:33,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:29:33,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:33,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:29:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:38,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 161 states and 375 transitions. [2021-11-22 23:29:38,562 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 375 transitions. [2021-11-22 23:29:38,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:29:38,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:38,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:29:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:40,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 162 states and 377 transitions. [2021-11-22 23:29:40,572 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 377 transitions. [2021-11-22 23:29:40,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:29:40,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:40,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:29:42,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:42,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 164 states and 383 transitions. [2021-11-22 23:29:42,963 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 383 transitions. [2021-11-22 23:29:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:29:42,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:42,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:29:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:44,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 165 states and 384 transitions. [2021-11-22 23:29:44,961 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 384 transitions. [2021-11-22 23:29:44,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:29:44,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:44,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:29:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:48,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 167 states and 391 transitions. [2021-11-22 23:29:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 391 transitions. [2021-11-22 23:29:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:29:48,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:48,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:30:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 174 states and 416 transitions. [2021-11-22 23:30:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 416 transitions. [2021-11-22 23:30:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:01,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:01,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:30:03,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:03,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 175 states and 422 transitions. [2021-11-22 23:30:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 422 transitions. [2021-11-22 23:30:03,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:03,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:03,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:30:05,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:05,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 176 states and 424 transitions. [2021-11-22 23:30:05,985 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 424 transitions. [2021-11-22 23:30:05,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:05,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:05,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:30:12,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 179 states and 434 transitions. [2021-11-22 23:30:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 434 transitions. [2021-11-22 23:30:12,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:12,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:12,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:30:15,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 181 states and 441 transitions. [2021-11-22 23:30:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 441 transitions. [2021-11-22 23:30:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:15,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:15,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:30:19,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:19,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 183 states and 446 transitions. [2021-11-22 23:30:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 446 transitions. [2021-11-22 23:30:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:19,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:19,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:30:22,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:22,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 185 states and 452 transitions. [2021-11-22 23:30:22,771 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 452 transitions. [2021-11-22 23:30:22,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:22,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:22,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:30:25,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:25,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 186 states and 455 transitions. [2021-11-22 23:30:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 455 transitions. [2021-11-22 23:30:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:25,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:25,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:30:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 187 states and 459 transitions. [2021-11-22 23:30:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 459 transitions. [2021-11-22 23:30:28,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:28,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:28,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:30:30,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:30,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 188 states and 460 transitions. [2021-11-22 23:30:30,189 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 460 transitions. [2021-11-22 23:30:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:30,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:30,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:30:32,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 189 states and 461 transitions. [2021-11-22 23:30:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 461 transitions. [2021-11-22 23:30:32,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:32,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:32,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:30:34,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:34,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 190 states and 462 transitions. [2021-11-22 23:30:34,476 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 462 transitions. [2021-11-22 23:30:34,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:34,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:34,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:30:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 191 states and 465 transitions. [2021-11-22 23:30:36,684 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 465 transitions. [2021-11-22 23:30:36,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:36,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:36,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:30:38,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 192 states and 466 transitions. [2021-11-22 23:30:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 466 transitions. [2021-11-22 23:30:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:38,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:38,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:30:41,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 193 states and 467 transitions. [2021-11-22 23:30:41,169 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 467 transitions. [2021-11-22 23:30:41,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:30:41,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:41,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:43,042 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:31:57,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 206 states and 527 transitions. [2021-11-22 23:31:57,108 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 527 transitions. [2021-11-22 23:31:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:31:57,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:32:07,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 210 states and 552 transitions. [2021-11-22 23:32:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 552 transitions. [2021-11-22 23:32:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:32:07,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:07,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:07,566 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:32:17,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 213 states and 557 transitions. [2021-11-22 23:32:17,699 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 557 transitions. [2021-11-22 23:32:17,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:32:17,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:17,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:32:20,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 214 states and 558 transitions. [2021-11-22 23:32:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 558 transitions. [2021-11-22 23:32:20,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:32:20,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:20,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:32:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 215 states and 559 transitions. [2021-11-22 23:32:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 559 transitions. [2021-11-22 23:32:22,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:32:22,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:22,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:32:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 216 states and 560 transitions. [2021-11-22 23:32:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 560 transitions. [2021-11-22 23:32:25,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:32:25,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:25,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:25,653 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:32:28,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:28,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 214 states and 557 transitions. [2021-11-22 23:32:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 557 transitions. [2021-11-22 23:32:28,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:32:28,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:28,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:32:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 219 states and 584 transitions. [2021-11-22 23:32:43,782 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 584 transitions. [2021-11-22 23:32:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:32:43,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:43,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:44,182 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:32:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 221 states and 590 transitions. [2021-11-22 23:32:48,263 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 590 transitions. [2021-11-22 23:32:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:32:48,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:48,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:32:57,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:57,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 225 states and 604 transitions. [2021-11-22 23:32:57,862 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 604 transitions. [2021-11-22 23:32:57,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:32:57,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:57,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:57,893 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:32:59,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:59,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 226 states and 605 transitions. [2021-11-22 23:32:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 605 transitions. [2021-11-22 23:32:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:32:59,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:59,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:33:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 230 states and 614 transitions. [2021-11-22 23:33:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 614 transitions. [2021-11-22 23:33:07,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:33:07,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:07,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:33:10,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 231 states and 617 transitions. [2021-11-22 23:33:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 617 transitions. [2021-11-22 23:33:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:33:10,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:10,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:34:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:00,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 239 states and 642 transitions. [2021-11-22 23:34:00,641 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 642 transitions. [2021-11-22 23:34:00,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:34:00,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:00,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:34:10,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:10,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 241 states and 648 transitions. [2021-11-22 23:34:10,216 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 648 transitions. [2021-11-22 23:34:10,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:34:10,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:10,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:34:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 244 states and 657 transitions. [2021-11-22 23:34:19,603 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 657 transitions. [2021-11-22 23:34:19,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:34:19,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:19,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:34:22,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 245 states and 660 transitions. [2021-11-22 23:34:22,752 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 660 transitions. [2021-11-22 23:34:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:34:22,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:22,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:34:28,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:28,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 247 states and 665 transitions. [2021-11-22 23:34:28,659 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 665 transitions. [2021-11-22 23:34:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:34:28,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:28,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:34:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 248 states and 667 transitions. [2021-11-22 23:34:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 667 transitions. [2021-11-22 23:34:33,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:34:33,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:33,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:34:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 249 states and 669 transitions. [2021-11-22 23:34:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 669 transitions. [2021-11-22 23:34:34,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:34:34,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:34,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:34:37,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 250 states and 671 transitions. [2021-11-22 23:34:37,724 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 671 transitions. [2021-11-22 23:34:37,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:34:37,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:37,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:37,755 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:34:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:39,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 102 states and 135 transitions. [2021-11-22 23:34:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 135 transitions. [2021-11-22 23:34:39,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:34:39,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:39,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:34:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 102 states and 134 transitions. [2021-11-22 23:34:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 134 transitions. [2021-11-22 23:34:43,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:34:43,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:43,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:34:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 98 states and 122 transitions. [2021-11-22 23:34:47,989 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 122 transitions. [2021-11-22 23:34:47,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:34:47,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:47,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:49,108 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:34:52,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:52,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 75 states and 94 transitions. [2021-11-22 23:34:52,373 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2021-11-22 23:34:52,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:34:52,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:52,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:35:43,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 81 states and 103 transitions. [2021-11-22 23:35:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2021-11-22 23:35:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:35:43,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:43,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.