./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/running_example.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/running_example.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 318c7aa22aeecc0174739978e9fb15d261281003454726c8705d95a97106063f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:13:44,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:13:44,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:13:44,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:13:44,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:13:44,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:13:44,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:13:44,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:13:44,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:13:44,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:13:44,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:13:44,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:13:44,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:13:44,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:13:44,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:13:44,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:13:44,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:13:44,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:13:44,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:13:44,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:13:44,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:13:44,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:13:44,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:13:44,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:13:44,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:13:44,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:13:44,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:13:44,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:13:44,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:13:44,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:13:44,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:13:44,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:13:44,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:13:44,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:13:44,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:13:44,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:13:44,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:13:44,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:13:44,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:13:44,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:13:44,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:13:44,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:13:44,375 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:13:44,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:13:44,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:13:44,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:13:44,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:13:44,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:13:44,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:13:44,378 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:13:44,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:13:44,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:13:44,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:13:44,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:13:44,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:13:44,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:13:44,387 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:13:44,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:13:44,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:13:44,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:13:44,387 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:13:44,388 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:13:44,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:13:44,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:13:44,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:13:44,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:13:44,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:13:44,389 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:13:44,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:13:44,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:13:44,390 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_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 318c7aa22aeecc0174739978e9fb15d261281003454726c8705d95a97106063f [2021-11-13 23:13:44,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:13:44,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:13:44,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:13:44,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:13:44,686 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:13:44,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/heap-data/running_example.i [2021-11-13 23:13:44,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/data/d90b96223/3238ec1800524f9a8f43ba71dcdebfc9/FLAG94eb98f08 [2021-11-13 23:13:45,311 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:13:45,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/sv-benchmarks/c/heap-data/running_example.i [2021-11-13 23:13:45,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/data/d90b96223/3238ec1800524f9a8f43ba71dcdebfc9/FLAG94eb98f08 [2021-11-13 23:13:45,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/data/d90b96223/3238ec1800524f9a8f43ba71dcdebfc9 [2021-11-13 23:13:45,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:13:45,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:13:45,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:13:45,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:13:45,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:13:45,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:13:45" (1/1) ... [2021-11-13 23:13:45,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144ea903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:45, skipping insertion in model container [2021-11-13 23:13:45,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:13:45" (1/1) ... [2021-11-13 23:13:45,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:13:45,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:13:45,987 WARN L228 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_23b01614-cda9-46d1-b0b0-38663fda4358/sv-benchmarks/c/heap-data/running_example.i[23610,23623] [2021-11-13 23:13:45,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:13:46,001 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:13:46,038 WARN L228 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_23b01614-cda9-46d1-b0b0-38663fda4358/sv-benchmarks/c/heap-data/running_example.i[23610,23623] [2021-11-13 23:13:46,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:13:46,082 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:13:46,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:46 WrapperNode [2021-11-13 23:13:46,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:13:46,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:13:46,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:13:46,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:13:46,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:46" (1/1) ... [2021-11-13 23:13:46,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:46" (1/1) ... [2021-11-13 23:13:46,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:13:46,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:13:46,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:13:46,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:13:46,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:46" (1/1) ... [2021-11-13 23:13:46,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:46" (1/1) ... [2021-11-13 23:13:46,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:46" (1/1) ... [2021-11-13 23:13:46,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:46" (1/1) ... [2021-11-13 23:13:46,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:46" (1/1) ... [2021-11-13 23:13:46,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:46" (1/1) ... [2021-11-13 23:13:46,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:46" (1/1) ... [2021-11-13 23:13:46,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:13:46,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:13:46,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:13:46,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:13:46,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:13:46" (1/1) ... [2021-11-13 23:13:46,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:13:46,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:13:46,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:13:46,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23b01614-cda9-46d1-b0b0-38663fda4358/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:13:46,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:13:46,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:13:46,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:13:46,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:13:46,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:13:46,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:13:46,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:13:46,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:13:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:13:46,699 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:13:46,699 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 23:13:46,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:13:46 BoogieIcfgContainer [2021-11-13 23:13:46,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:13:46,703 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:13:46,703 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:13:46,713 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:13:46,714 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:13:46" (1/1) ... [2021-11-13 23:13:46,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:13:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:46,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-13 23:13:46,772 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-13 23:13:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:13:46,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:46,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:47,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:47,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-13 23:13:47,037 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-13 23:13:47,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:13:47,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:47,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:47,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-11-13 23:13:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-11-13 23:13:47,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:13:47,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:47,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:47,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:47,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2021-11-13 23:13:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2021-11-13 23:13:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:13:47,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:47,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:48,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2021-11-13 23:13:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2021-11-13 23:13:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:13:48,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:48,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:13:48,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:48,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-13 23:13:48,773 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-13 23:13:48,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:13:48,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:48,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:49,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 35 states and 74 transitions. [2021-11-13 23:13:49,386 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 74 transitions. [2021-11-13 23:13:49,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:13:49,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:49,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:50,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2021-11-13 23:13:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2021-11-13 23:13:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:13:50,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:50,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:51,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 42 states and 93 transitions. [2021-11-13 23:13:51,072 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 93 transitions. [2021-11-13 23:13:51,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:13:51,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:51,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:13:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 93 transitions. [2021-11-13 23:13:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 93 transitions. [2021-11-13 23:13:51,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:13:51,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:51,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:13:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 44 states and 94 transitions. [2021-11-13 23:13:51,597 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 94 transitions. [2021-11-13 23:13:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:13:51,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:51,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:51,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:13:51,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 95 transitions. [2021-11-13 23:13:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 95 transitions. [2021-11-13 23:13:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:13:51,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:51,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:52,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:54,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 53 states and 120 transitions. [2021-11-13 23:13:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 120 transitions. [2021-11-13 23:13:54,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:13:54,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:54,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 61 states and 141 transitions. [2021-11-13 23:13:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 141 transitions. [2021-11-13 23:13:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:13:58,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:58,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:13:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:13:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 62 states and 144 transitions. [2021-11-13 23:13:59,206 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 144 transitions. [2021-11-13 23:13:59,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:13:59,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:13:59,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:13:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:13:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:00,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 66 states and 161 transitions. [2021-11-13 23:14:00,185 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 161 transitions. [2021-11-13 23:14:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:14:00,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:00,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:14:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:00,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 67 states and 161 transitions. [2021-11-13 23:14:00,539 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 161 transitions. [2021-11-13 23:14:00,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:14:00,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:00,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:02,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 73 states and 178 transitions. [2021-11-13 23:14:02,867 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 178 transitions. [2021-11-13 23:14:02,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:14:02,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:02,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:02,996 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 74 states and 183 transitions. [2021-11-13 23:14:03,325 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 183 transitions. [2021-11-13 23:14:03,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:14:03,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:03,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:08,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 83 states and 211 transitions. [2021-11-13 23:14:08,129 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 211 transitions. [2021-11-13 23:14:08,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:14:08,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:08,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:08,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 84 states and 214 transitions. [2021-11-13 23:14:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 214 transitions. [2021-11-13 23:14:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:14:08,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:08,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:14:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:09,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 85 states and 220 transitions. [2021-11-13 23:14:09,404 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 220 transitions. [2021-11-13 23:14:09,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:14:09,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:09,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:14:09,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 86 states and 221 transitions. [2021-11-13 23:14:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 221 transitions. [2021-11-13 23:14:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:14:09,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:09,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:12,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 91 states and 239 transitions. [2021-11-13 23:14:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 239 transitions. [2021-11-13 23:14:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:14:12,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:12,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:14:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 93 states and 242 transitions. [2021-11-13 23:14:13,245 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 242 transitions. [2021-11-13 23:14:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:14:13,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:13,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:17,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 99 states and 253 transitions. [2021-11-13 23:14:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 253 transitions. [2021-11-13 23:14:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:14:17,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:17,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:17,784 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:19,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:19,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 102 states and 257 transitions. [2021-11-13 23:14:19,085 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 257 transitions. [2021-11-13 23:14:19,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:14:19,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:19,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:20,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 105 states and 263 transitions. [2021-11-13 23:14:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 263 transitions. [2021-11-13 23:14:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:14:20,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:20,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:14:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 106 states and 265 transitions. [2021-11-13 23:14:21,133 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 265 transitions. [2021-11-13 23:14:21,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:14:21,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:21,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:22,332 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 108 states and 273 transitions. [2021-11-13 23:14:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 273 transitions. [2021-11-13 23:14:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:14:24,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:24,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:25,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 109 states and 277 transitions. [2021-11-13 23:14:25,013 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 277 transitions. [2021-11-13 23:14:25,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:14:25,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:25,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:14:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 110 states and 281 transitions. [2021-11-13 23:14:25,841 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 281 transitions. [2021-11-13 23:14:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:14:25,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:25,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:14:28,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:28,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 111 states and 281 transitions. [2021-11-13 23:14:28,199 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 281 transitions. [2021-11-13 23:14:28,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:14:28,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:28,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:37,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:37,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 121 states and 338 transitions. [2021-11-13 23:14:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 338 transitions. [2021-11-13 23:14:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:14:37,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:37,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:38,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 122 states and 343 transitions. [2021-11-13 23:14:38,745 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 343 transitions. [2021-11-13 23:14:38,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:14:38,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:38,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:39,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:39,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 123 states and 347 transitions. [2021-11-13 23:14:39,848 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 347 transitions. [2021-11-13 23:14:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:14:39,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:39,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:40,312 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:14:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:41,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 125 states and 350 transitions. [2021-11-13 23:14:41,162 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 350 transitions. [2021-11-13 23:14:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:14:41,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:41,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:41,727 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 130 states and 369 transitions. [2021-11-13 23:14:44,638 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 369 transitions. [2021-11-13 23:14:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:14:44,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:44,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:45,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 131 states and 376 transitions. [2021-11-13 23:14:45,414 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 376 transitions. [2021-11-13 23:14:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:14:45,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:45,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:56,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:56,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 139 states and 443 transitions. [2021-11-13 23:14:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 443 transitions. [2021-11-13 23:14:56,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:14:56,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:56,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:56,421 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:59,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 143 states and 458 transitions. [2021-11-13 23:14:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 458 transitions. [2021-11-13 23:14:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:14:59,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:59,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:15:01,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 146 states and 468 transitions. [2021-11-13 23:15:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 468 transitions. [2021-11-13 23:15:01,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:15:01,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:01,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:15:08,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:08,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 155 states and 509 transitions. [2021-11-13 23:15:08,632 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 509 transitions. [2021-11-13 23:15:08,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:15:08,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:08,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:15:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:10,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 158 states and 517 transitions. [2021-11-13 23:15:10,122 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 517 transitions. [2021-11-13 23:15:10,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:15:10,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:10,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:15:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 159 states and 519 transitions. [2021-11-13 23:15:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 519 transitions. [2021-11-13 23:15:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:15:10,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:10,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:15:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 167 states and 578 transitions. [2021-11-13 23:15:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 578 transitions. [2021-11-13 23:15:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:15:25,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:25,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:26,172 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:15:27,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 168 states and 583 transitions. [2021-11-13 23:15:27,385 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 583 transitions. [2021-11-13 23:15:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:15:27,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:27,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:15:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 169 states and 588 transitions. [2021-11-13 23:15:29,705 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 588 transitions. [2021-11-13 23:15:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:15:29,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:29,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:15:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 171 states and 591 transitions. [2021-11-13 23:15:31,108 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 591 transitions. [2021-11-13 23:15:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:15:31,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:31,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:15:44,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:44,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 180 states and 624 transitions. [2021-11-13 23:15:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 624 transitions. [2021-11-13 23:15:44,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:15:44,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:44,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:15:51,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:51,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 184 states and 652 transitions. [2021-11-13 23:15:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 652 transitions. [2021-11-13 23:15:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:15:51,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:51,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:15:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:58,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 188 states and 664 transitions. [2021-11-13 23:15:58,253 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 664 transitions. [2021-11-13 23:15:58,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:15:58,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:58,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 190 states and 678 transitions. [2021-11-13 23:16:01,079 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 678 transitions. [2021-11-13 23:16:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:16:01,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:01,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:01,283 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:02,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 191 states and 682 transitions. [2021-11-13 23:16:02,119 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 682 transitions. [2021-11-13 23:16:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:16:02,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:02,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:02,323 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 192 states and 686 transitions. [2021-11-13 23:16:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 686 transitions. [2021-11-13 23:16:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:16:03,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:03,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 193 states and 691 transitions. [2021-11-13 23:16:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 691 transitions. [2021-11-13 23:16:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:16:04,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:04,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:04,686 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:05,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 194 states and 697 transitions. [2021-11-13 23:16:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 697 transitions. [2021-11-13 23:16:05,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:16:05,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:05,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:06,142 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:08,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:08,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 195 states and 715 transitions. [2021-11-13 23:16:08,172 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 715 transitions. [2021-11-13 23:16:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:16:08,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:08,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:10,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:10,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 196 states and 722 transitions. [2021-11-13 23:16:10,232 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 722 transitions. [2021-11-13 23:16:10,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:16:10,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:10,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 198 states and 731 transitions. [2021-11-13 23:16:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 731 transitions. [2021-11-13 23:16:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:16:16,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:16,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:17,319 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 199 states and 736 transitions. [2021-11-13 23:16:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 736 transitions. [2021-11-13 23:16:18,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:16:18,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:18,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:27,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 201 states and 747 transitions. [2021-11-13 23:16:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 747 transitions. [2021-11-13 23:16:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:16:27,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:27,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:30,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 204 states and 754 transitions. [2021-11-13 23:16:30,882 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 754 transitions. [2021-11-13 23:16:30,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:16:30,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:30,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:31,154 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:32,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 205 states and 759 transitions. [2021-11-13 23:16:32,570 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 759 transitions. [2021-11-13 23:16:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:16:32,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:32,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:16:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 210 states and 802 transitions. [2021-11-13 23:16:44,661 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 802 transitions. [2021-11-13 23:16:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:16:44,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:44,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:44,683 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:16:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 211 states and 808 transitions. [2021-11-13 23:16:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 808 transitions. [2021-11-13 23:16:46,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:16:46,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:46,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:16:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:49,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 212 states and 814 transitions. [2021-11-13 23:16:49,122 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 814 transitions. [2021-11-13 23:16:49,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:16:49,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:49,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:16:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:16:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 216 states and 835 transitions. [2021-11-13 23:16:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 835 transitions. [2021-11-13 23:16:59,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:16:59,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:16:59,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:16:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:16:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:17:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:01,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 218 states and 838 transitions. [2021-11-13 23:17:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 838 transitions. [2021-11-13 23:17:01,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:17:01,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:01,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:17:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 221 states and 848 transitions. [2021-11-13 23:17:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 848 transitions. [2021-11-13 23:17:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:17:04,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:04,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:06,661 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:17:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 227 states and 871 transitions. [2021-11-13 23:17:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 871 transitions. [2021-11-13 23:17:18,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:17:18,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:18,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:22,924 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:17:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 233 states and 886 transitions. [2021-11-13 23:17:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 886 transitions. [2021-11-13 23:17:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:17:34,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:34,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:17:52,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:52,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 237 states and 919 transitions. [2021-11-13 23:17:52,353 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 919 transitions. [2021-11-13 23:17:52,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:17:52,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:52,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 243 states and 961 transitions. [2021-11-13 23:18:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 961 transitions. [2021-11-13 23:18:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:18:06,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:06,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 247 states and 976 transitions. [2021-11-13 23:18:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 976 transitions. [2021-11-13 23:18:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:18:15,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:15,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 251 states and 1016 transitions. [2021-11-13 23:18:27,144 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 1016 transitions. [2021-11-13 23:18:27,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:18:27,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:27,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 252 states and 1021 transitions. [2021-11-13 23:18:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 1021 transitions. [2021-11-13 23:18:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:18:30,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:30,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 253 states and 1026 transitions. [2021-11-13 23:18:34,686 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 1026 transitions. [2021-11-13 23:18:34,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:18:34,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:34,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 256 states and 1043 transitions. [2021-11-13 23:18:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1043 transitions. [2021-11-13 23:18:41,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:18:41,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:41,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 257 states and 1049 transitions. [2021-11-13 23:18:45,175 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 1049 transitions. [2021-11-13 23:18:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:18:45,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:45,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:49,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:49,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 258 states and 1054 transitions. [2021-11-13 23:18:49,270 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1054 transitions. [2021-11-13 23:18:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:18:49,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:49,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:51,446 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:18:53,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:53,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 259 states and 1058 transitions. [2021-11-13 23:18:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 1058 transitions. [2021-11-13 23:18:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:18:53,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:53,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:18:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:18:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 261 states and 1061 transitions. [2021-11-13 23:18:55,617 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 1061 transitions. [2021-11-13 23:18:55,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:18:55,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:18:55,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:18:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:18:55,854 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:19:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 264 states and 1070 transitions. [2021-11-13 23:19:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 1070 transitions. [2021-11-13 23:19:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:19:00,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:00,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:19:14,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 271 states and 1089 transitions. [2021-11-13 23:19:14,794 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 1089 transitions. [2021-11-13 23:19:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:19:14,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:14,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:19:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:21,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 274 states and 1099 transitions. [2021-11-13 23:19:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 1099 transitions. [2021-11-13 23:19:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:19:21,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:21,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:19:34,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:19:34,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 281 states and 1131 transitions. [2021-11-13 23:19:34,122 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 1131 transitions. [2021-11-13 23:19:34,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:19:34,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:19:34,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:19:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:19:39,228 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:20:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 290 states and 1175 transitions. [2021-11-13 23:20:01,639 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1175 transitions. [2021-11-13 23:20:01,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:20:01,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:01,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:02,069 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:20:04,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:04,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 291 states and 1182 transitions. [2021-11-13 23:20:04,923 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 1182 transitions. [2021-11-13 23:20:04,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:20:04,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:04,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:06,031 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:20:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 296 states and 1195 transitions. [2021-11-13 23:20:14,643 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1195 transitions. [2021-11-13 23:20:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:20:14,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:14,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:20:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 297 states and 1204 transitions. [2021-11-13 23:20:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1204 transitions. [2021-11-13 23:20:17,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:20:17,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:17,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:20:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 303 states and 1221 transitions. [2021-11-13 23:20:36,507 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1221 transitions. [2021-11-13 23:20:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:20:36,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:36,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:38,005 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:20:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:20:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 306 states and 1237 transitions. [2021-11-13 23:20:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1237 transitions. [2021-11-13 23:20:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:20:47,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:20:47,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:20:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:20:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 310 states and 1261 transitions. [2021-11-13 23:21:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1261 transitions. [2021-11-13 23:21:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:21:00,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:00,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:04,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 311 states and 1265 transitions. [2021-11-13 23:21:04,621 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1265 transitions. [2021-11-13 23:21:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:21:04,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:04,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:12,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 315 states and 1287 transitions. [2021-11-13 23:21:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1287 transitions. [2021-11-13 23:21:12,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:21:12,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:12,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:16,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 317 states and 1289 transitions. [2021-11-13 23:21:16,160 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 1289 transitions. [2021-11-13 23:21:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:21:16,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:16,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:21:18,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 318 states and 1294 transitions. [2021-11-13 23:21:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1294 transitions. [2021-11-13 23:21:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:21:18,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:18,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 321 states and 1304 transitions. [2021-11-13 23:21:22,411 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1304 transitions. [2021-11-13 23:21:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:21:22,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:22,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:23,869 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 324 states and 1315 transitions. [2021-11-13 23:21:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1315 transitions. [2021-11-13 23:21:29,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:21:29,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:29,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:42,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 327 states and 1324 transitions. [2021-11-13 23:21:42,849 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 1324 transitions. [2021-11-13 23:21:42,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:21:42,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:42,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 329 states and 1339 transitions. [2021-11-13 23:21:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1339 transitions. [2021-11-13 23:21:48,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:21:48,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:48,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 331 states and 1350 transitions. [2021-11-13 23:21:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1350 transitions. [2021-11-13 23:21:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:21:54,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:54,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 332 states and 1356 transitions. [2021-11-13 23:21:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1356 transitions. [2021-11-13 23:21:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:21:59,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:59,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 335 states and 1372 transitions. [2021-11-13 23:22:11,052 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1372 transitions. [2021-11-13 23:22:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:22:11,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:11,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:14,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:14,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 336 states and 1373 transitions. [2021-11-13 23:22:14,363 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1373 transitions. [2021-11-13 23:22:14,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:22:14,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:14,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:23,802 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:53,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:53,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 347 states and 1491 transitions. [2021-11-13 23:22:53,867 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 1491 transitions. [2021-11-13 23:22:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:22:53,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:53,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:23:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 351 states and 1512 transitions. [2021-11-13 23:23:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1512 transitions. [2021-11-13 23:23:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:23:01,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:01,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:01,702 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:23:09,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 355 states and 1533 transitions. [2021-11-13 23:23:09,895 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1533 transitions. [2021-11-13 23:23:09,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:23:09,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:09,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:23:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:35,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 358 states and 1527 transitions. [2021-11-13 23:23:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1527 transitions. [2021-11-13 23:23:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:23:35,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:35,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:23:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 360 states and 1530 transitions. [2021-11-13 23:23:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1530 transitions. [2021-11-13 23:23:41,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:23:41,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:41,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:24:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 373 states and 1595 transitions. [2021-11-13 23:24:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1595 transitions. [2021-11-13 23:24:24,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:24:24,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:24,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:01,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:01,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 383 states and 1639 transitions. [2021-11-13 23:25:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 1639 transitions. [2021-11-13 23:25:01,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:25:01,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:01,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:02,336 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:25:06,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:06,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 384 states and 1651 transitions. [2021-11-13 23:25:06,347 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1651 transitions. [2021-11-13 23:25:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:25:06,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:06,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:11,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 385 states and 1662 transitions. [2021-11-13 23:25:11,337 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 1662 transitions. [2021-11-13 23:25:11,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:25:11,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:11,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:25:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:15,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 388 states and 1675 transitions. [2021-11-13 23:25:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 1675 transitions. [2021-11-13 23:25:15,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:25:15,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:15,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:16,887 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 391 states and 1690 transitions. [2021-11-13 23:25:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 1690 transitions. [2021-11-13 23:25:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:25:24,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:24,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.