./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.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_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/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_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/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_c5acb747-33bf-43fd-849c-82225f15e2d9/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 08288106b555461ef057d9cc6ff3152dcec81ba7fba064f1bc055561de30be9f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:59:34,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:59:34,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:59:34,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:59:34,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:59:34,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:59:34,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:59:34,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:59:34,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:59:34,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:59:34,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:59:34,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:59:34,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:59:34,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:59:34,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:59:34,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:59:34,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:59:34,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:59:34,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:59:34,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:59:34,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:59:34,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:59:34,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:59:34,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:59:34,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:59:34,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:59:34,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:59:34,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:59:34,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:59:34,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:59:34,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:59:34,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:59:34,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:59:34,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:59:34,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:59:34,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:59:34,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:59:34,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:59:34,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:59:34,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:59:34,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:59:34,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 22:59:34,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:59:34,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:59:34,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:59:34,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:59:34,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:59:34,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:59:34,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:59:34,477 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:59:34,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:59:34,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:59:34,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:59:34,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:59:34,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:59:34,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:59:34,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:59:34,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:59:34,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:59:34,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:59:34,479 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:59:34,479 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:59:34,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:59:34,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:59:34,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:59:34,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:59:34,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:59:34,481 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:59:34,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:59:34,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:59:34,482 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_c5acb747-33bf-43fd-849c-82225f15e2d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08288106b555461ef057d9cc6ff3152dcec81ba7fba064f1bc055561de30be9f [2021-11-13 22:59:34,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:59:34,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:59:34,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:59:34,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:59:34,839 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:59:34,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.i [2021-11-13 22:59:34,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e/data/1eae44bd2/f5519da215ad43968c1db2947ca3870f/FLAG8177b003d [2021-11-13 22:59:35,505 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:59:35,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.i [2021-11-13 22:59:35,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e/data/1eae44bd2/f5519da215ad43968c1db2947ca3870f/FLAG8177b003d [2021-11-13 22:59:35,875 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e/data/1eae44bd2/f5519da215ad43968c1db2947ca3870f [2021-11-13 22:59:35,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:59:35,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:59:35,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:59:35,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:59:35,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:59:35,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:35" (1/1) ... [2021-11-13 22:59:35,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4ca96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:35, skipping insertion in model container [2021-11-13 22:59:35,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:35" (1/1) ... [2021-11-13 22:59:35,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:59:35,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:59:36,117 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_c5acb747-33bf-43fd-849c-82225f15e2d9/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.i[821,834] [2021-11-13 22:59:36,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:59:39,155 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:59:39,171 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_c5acb747-33bf-43fd-849c-82225f15e2d9/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.i[821,834] [2021-11-13 22:59:39,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:59:39,209 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:59:39,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:39 WrapperNode [2021-11-13 22:59:39,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:59:39,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:59:39,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:59:39,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:59:39,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:39" (1/1) ... [2021-11-13 22:59:39,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:39" (1/1) ... [2021-11-13 22:59:39,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:59:39,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:59:39,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:59:39,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:59:39,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:39" (1/1) ... [2021-11-13 22:59:39,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:39" (1/1) ... [2021-11-13 22:59:39,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:39" (1/1) ... [2021-11-13 22:59:39,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:39" (1/1) ... [2021-11-13 22:59:39,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:39" (1/1) ... [2021-11-13 22:59:39,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:39" (1/1) ... [2021-11-13 22:59:39,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:39" (1/1) ... [2021-11-13 22:59:39,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:59:39,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:59:39,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:59:39,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:59:39,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:39" (1/1) ... [2021-11-13 22:59:39,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:59:39,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:59:39,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:59:39,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5acb747-33bf-43fd-849c-82225f15e2d9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:59:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 22:59:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:59:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:59:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:59:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:59:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 22:59:39,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:59:39,740 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 22:59:39,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:39 BoogieIcfgContainer [2021-11-13 22:59:39,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:59:39,744 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:59:39,744 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:59:39,754 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:59:39,754 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:39" (1/1) ... [2021-11-13 22:59:39,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:59:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:39,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-13 22:59:39,867 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-13 22:59:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:59:39,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:39,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:40,093 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 22:59:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-13 22:59:40,172 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-13 22:59:40,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:59:40,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:40,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:40,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-13 22:59:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-13 22:59:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:59:40,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:40,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:40,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 22:59:40,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:40,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 22:59:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:40,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-13 22:59:40,474 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-13 22:59:40,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:59:40,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:40,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:40,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 22:59:40,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:40,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:40,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2021-11-13 22:59:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2021-11-13 22:59:40,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:59:40,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:40,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:40,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 22:59:40,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:40,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-13 22:59:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-13 22:59:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:59:40,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:40,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:40,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 22:59:40,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:40,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:40,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-11-13 22:59:40,920 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-13 22:59:40,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:59:40,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:40,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:40,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 22:59:40,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:41,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-13 22:59:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-13 22:59:41,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:59:41,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:41,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:41,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 22:59:41,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:41,134 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:41,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-13 22:59:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-13 22:59:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:59:41,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:41,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:41,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 22:59:41,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:41,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:41,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2021-11-13 22:59:41,341 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-13 22:59:41,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:59:41,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:41,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:41,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 22:59:41,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:41,441 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:41,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-13 22:59:41,506 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-13 22:59:41,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:59:41,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:41,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:41,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 22:59:41,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:41,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:41,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-13 22:59:41,720 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-13 22:59:41,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:59:41,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:41,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:41,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 22:59:41,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-11-13 22:59:41,940 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-13 22:59:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:59:41,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:41,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:41,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 22:59:41,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:42,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2021-11-13 22:59:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-11-13 22:59:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:59:42,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:42,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:42,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 22:59:42,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2021-11-13 22:59:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-13 22:59:42,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:59:42,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:42,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:42,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-13 22:59:42,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:42,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:42,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2021-11-13 22:59:42,623 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-11-13 22:59:42,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:59:42,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:42,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:42,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 22:59:42,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:42,771 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:42,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2021-11-13 22:59:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-11-13 22:59:42,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:59:42,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:42,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:42,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-13 22:59:42,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:43,036 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:43,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2021-11-13 22:59:43,154 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-11-13 22:59:43,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:59:43,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:43,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:43,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 22:59:43,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:43,318 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:43,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2021-11-13 22:59:43,456 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-11-13 22:59:43,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:59:43,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:43,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:43,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 22:59:43,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2021-11-13 22:59:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-11-13 22:59:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:59:43,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:43,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:43,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-13 22:59:43,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:44,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2021-11-13 22:59:44,052 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2021-11-13 22:59:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:59:44,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:44,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:44,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 22:59:44,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:44,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2021-11-13 22:59:44,345 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2021-11-13 22:59:44,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:59:44,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:44,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:44,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 22:59:44,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2021-11-13 22:59:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2021-11-13 22:59:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:59:44,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:44,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:44,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 22:59:44,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:44,908 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:45,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 32 states and 36 transitions. [2021-11-13 22:59:45,044 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2021-11-13 22:59:45,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:59:45,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:45,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:45,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 22:59:45,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2021-11-13 22:59:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2021-11-13 22:59:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:59:45,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:45,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:45,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 22:59:45,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:45,568 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2021-11-13 22:59:45,700 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2021-11-13 22:59:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:59:45,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:45,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:45,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-13 22:59:45,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:46,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:46,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2021-11-13 22:59:46,033 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2021-11-13 22:59:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:59:46,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:46,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:46,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 22:59:46,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2021-11-13 22:59:46,388 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-11-13 22:59:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:59:46,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:46,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:46,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 22:59:46,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2021-11-13 22:59:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2021-11-13 22:59:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:59:46,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:46,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:46,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 22:59:46,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:46,920 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:47,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2021-11-13 22:59:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2021-11-13 22:59:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:59:47,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:47,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:47,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 22:59:47,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:47,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2021-11-13 22:59:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2021-11-13 22:59:47,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 22:59:47,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:47,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:47,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-13 22:59:47,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:47,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:47,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2021-11-13 22:59:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2021-11-13 22:59:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:59:47,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:47,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:47,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 22:59:47,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:48,098 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:48,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2021-11-13 22:59:48,253 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2021-11-13 22:59:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 22:59:48,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:48,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:48,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 22:59:48,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:48,494 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:48,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2021-11-13 22:59:48,670 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-11-13 22:59:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 22:59:48,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:48,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:48,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-13 22:59:48,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:48,920 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2021-11-13 22:59:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2021-11-13 22:59:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:59:49,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:49,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:49,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-13 22:59:49,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:49,346 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:49,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2021-11-13 22:59:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2021-11-13 22:59:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 22:59:49,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:49,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:49,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-13 22:59:49,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:49,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2021-11-13 22:59:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2021-11-13 22:59:49,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:59:49,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:49,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:49,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-13 22:59:49,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:50,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2021-11-13 22:59:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-11-13 22:59:50,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:59:50,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:50,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:50,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-13 22:59:50,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:50,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:50,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2021-11-13 22:59:50,790 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-11-13 22:59:50,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 22:59:50,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:50,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:50,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-13 22:59:50,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:51,033 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:51,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2021-11-13 22:59:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2021-11-13 22:59:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 22:59:51,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:51,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:51,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-13 22:59:51,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:51,500 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:51,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:51,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2021-11-13 22:59:51,702 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2021-11-13 22:59:51,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:59:51,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:51,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:51,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-13 22:59:51,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:51,970 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:52,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:52,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2021-11-13 22:59:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-11-13 22:59:52,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 22:59:52,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:52,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:52,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-13 22:59:52,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2021-11-13 22:59:52,665 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2021-11-13 22:59:52,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 22:59:52,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:52,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:52,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-13 22:59:52,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:53,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:53,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2021-11-13 22:59:53,191 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-11-13 22:59:53,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:59:53,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:53,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:53,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-13 22:59:53,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2021-11-13 22:59:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-11-13 22:59:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 22:59:53,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:53,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:53,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-13 22:59:53,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2021-11-13 22:59:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-11-13 22:59:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 22:59:54,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:54,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:54,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-13 22:59:54,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 55 states and 59 transitions. [2021-11-13 22:59:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2021-11-13 22:59:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 22:59:54,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:54,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:54,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-13 22:59:54,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 56 states and 60 transitions. [2021-11-13 22:59:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2021-11-13 22:59:55,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 22:59:55,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:55,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:55,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-13 22:59:55,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 57 states and 61 transitions. [2021-11-13 22:59:55,652 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2021-11-13 22:59:55,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 22:59:55,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:55,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:55,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-13 22:59:55,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:56,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:56,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 58 states and 62 transitions. [2021-11-13 22:59:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2021-11-13 22:59:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:59:56,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:56,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:56,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-13 22:59:56,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2021-11-13 22:59:56,636 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2021-11-13 22:59:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:59:56,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:56,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:56,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-13 22:59:56,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:57,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2021-11-13 22:59:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2021-11-13 22:59:57,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:59:57,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:57,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:57,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-13 22:59:57,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:57,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2021-11-13 22:59:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2021-11-13 22:59:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 22:59:57,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:57,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:57,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-13 22:59:57,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:57,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:58,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:58,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 62 states and 66 transitions. [2021-11-13 22:59:58,170 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2021-11-13 22:59:58,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 22:59:58,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:58,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:58,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-13 22:59:58,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:58,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2021-11-13 22:59:58,731 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2021-11-13 22:59:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 22:59:58,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:58,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:58,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-13 22:59:58,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 64 states and 68 transitions. [2021-11-13 22:59:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-13 22:59:59,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 22:59:59,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:59,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:59,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-13 22:59:59,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 22:59:59,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:59:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:59,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 65 states and 69 transitions. [2021-11-13 22:59:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2021-11-13 22:59:59,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 22:59:59,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:59,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:59,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-13 22:59:59,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 66 states and 70 transitions. [2021-11-13 23:00:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2021-11-13 23:00:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:00:00,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:00,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:00,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-13 23:00:00,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:00,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:00,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2021-11-13 23:00:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2021-11-13 23:00:00,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:00:00,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:00,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:01,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-13 23:00:01,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:01,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:01,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 68 states and 72 transitions. [2021-11-13 23:00:01,511 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2021-11-13 23:00:01,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 23:00:01,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:01,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:01,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-13 23:00:01,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:02,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 69 states and 73 transitions. [2021-11-13 23:00:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2021-11-13 23:00:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:00:02,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:02,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:02,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-13 23:00:02,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:02,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2021-11-13 23:00:02,745 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2021-11-13 23:00:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 23:00:02,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:02,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:02,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-13 23:00:02,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:03,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 71 states and 75 transitions. [2021-11-13 23:00:03,321 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2021-11-13 23:00:03,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:00:03,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:03,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:03,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-13 23:00:03,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 72 states and 76 transitions. [2021-11-13 23:00:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2021-11-13 23:00:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-13 23:00:03,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:03,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:03,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-13 23:00:03,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:04,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 73 states and 77 transitions. [2021-11-13 23:00:04,539 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2021-11-13 23:00:04,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:00:04,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:04,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:04,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-13 23:00:04,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:05,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:05,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 74 states and 78 transitions. [2021-11-13 23:00:05,185 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2021-11-13 23:00:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 23:00:05,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:05,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:05,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-13 23:00:05,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:05,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:05,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 75 states and 79 transitions. [2021-11-13 23:00:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2021-11-13 23:00:05,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 23:00:05,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:05,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:05,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-13 23:00:05,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:06,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 76 states and 80 transitions. [2021-11-13 23:00:06,451 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2021-11-13 23:00:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 23:00:06,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:06,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:06,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-13 23:00:06,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:07,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2021-11-13 23:00:07,113 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2021-11-13 23:00:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:00:07,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:07,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:07,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-13 23:00:07,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:07,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2279 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 78 states and 82 transitions. [2021-11-13 23:00:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2021-11-13 23:00:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 23:00:07,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:07,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:07,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-13 23:00:07,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:08,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:08,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 79 states and 83 transitions. [2021-11-13 23:00:08,403 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2021-11-13 23:00:08,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 23:00:08,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:08,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:08,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-13 23:00:08,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:09,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:09,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 80 states and 84 transitions. [2021-11-13 23:00:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2021-11-13 23:00:09,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:00:09,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:09,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:09,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-13 23:00:09,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:09,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 81 states and 85 transitions. [2021-11-13 23:00:09,701 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2021-11-13 23:00:09,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:00:09,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:09,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:09,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-13 23:00:09,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2557 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:10,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 82 states and 86 transitions. [2021-11-13 23:00:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2021-11-13 23:00:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 23:00:10,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:10,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:10,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-13 23:00:10,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:11,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 83 states and 87 transitions. [2021-11-13 23:00:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2021-11-13 23:00:11,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:00:11,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:11,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:11,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-13 23:00:11,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:11,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 84 states and 88 transitions. [2021-11-13 23:00:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2021-11-13 23:00:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:00:11,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:11,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:11,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-13 23:00:11,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:12,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2776 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 85 states and 89 transitions. [2021-11-13 23:00:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2021-11-13 23:00:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 23:00:12,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:12,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:12,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-13 23:00:12,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:12,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2851 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:13,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:13,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 86 states and 90 transitions. [2021-11-13 23:00:13,153 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2021-11-13 23:00:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:00:13,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:13,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:13,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-13 23:00:13,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:13,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 87 states and 91 transitions. [2021-11-13 23:00:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2021-11-13 23:00:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-13 23:00:13,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:13,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:13,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-13 23:00:14,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3004 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:14,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:14,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 88 states and 92 transitions. [2021-11-13 23:00:14,619 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2021-11-13 23:00:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:00:14,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:14,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:14,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-13 23:00:14,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:15,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:15,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 89 states and 93 transitions. [2021-11-13 23:00:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2021-11-13 23:00:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 23:00:15,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:15,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:15,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-13 23:00:15,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:15,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3161 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:16,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 90 states and 94 transitions. [2021-11-13 23:00:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2021-11-13 23:00:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 23:00:16,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:16,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:16,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-13 23:00:16,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3241 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:16,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:16,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 91 states and 95 transitions. [2021-11-13 23:00:16,902 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2021-11-13 23:00:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 23:00:16,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:16,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:16,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-13 23:00:16,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:17,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3322 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:17,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 92 states and 96 transitions. [2021-11-13 23:00:17,693 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 96 transitions. [2021-11-13 23:00:17,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 23:00:17,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:17,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:17,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-13 23:00:17,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:18,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3404 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 93 states and 97 transitions. [2021-11-13 23:00:18,435 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2021-11-13 23:00:18,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 23:00:18,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:18,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:18,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-13 23:00:18,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3487 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:19,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:19,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 94 states and 98 transitions. [2021-11-13 23:00:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2021-11-13 23:00:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 23:00:19,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:19,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:19,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-13 23:00:19,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3571 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:19,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 95 states and 99 transitions. [2021-11-13 23:00:19,951 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 99 transitions. [2021-11-13 23:00:19,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-13 23:00:19,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:19,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:20,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-13 23:00:20,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3656 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:20,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 96 states and 100 transitions. [2021-11-13 23:00:20,733 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 100 transitions. [2021-11-13 23:00:20,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:00:20,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:20,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:20,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-13 23:00:20,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3742 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:21,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 97 states and 101 transitions. [2021-11-13 23:00:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 101 transitions. [2021-11-13 23:00:21,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-13 23:00:21,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:21,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:21,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-13 23:00:21,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3829 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:22,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:22,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 98 states and 102 transitions. [2021-11-13 23:00:22,205 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 102 transitions. [2021-11-13 23:00:22,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 23:00:22,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:22,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:22,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-13 23:00:22,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3917 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:22,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 99 states and 103 transitions. [2021-11-13 23:00:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 103 transitions. [2021-11-13 23:00:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-13 23:00:22,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:22,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:23,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-13 23:00:23,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4006 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:23,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 100 states and 104 transitions. [2021-11-13 23:00:23,781 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2021-11-13 23:00:23,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-13 23:00:23,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:23,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:23,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-13 23:00:23,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4096 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:24,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 101 states and 105 transitions. [2021-11-13 23:00:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 105 transitions. [2021-11-13 23:00:24,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-13 23:00:24,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:24,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:24,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-13 23:00:24,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:25,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4187 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:25,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:25,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 102 states and 106 transitions. [2021-11-13 23:00:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2021-11-13 23:00:25,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-13 23:00:25,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:25,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:25,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-13 23:00:25,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4279 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 103 states and 107 transitions. [2021-11-13 23:00:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 107 transitions. [2021-11-13 23:00:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 23:00:26,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:26,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:26,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-13 23:00:26,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4372 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:27,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 104 states and 108 transitions. [2021-11-13 23:00:27,419 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2021-11-13 23:00:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-13 23:00:27,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:27,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:27,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-13 23:00:27,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4466 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 105 states and 109 transitions. [2021-11-13 23:00:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 109 transitions. [2021-11-13 23:00:28,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-13 23:00:28,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:28,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:28,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-13 23:00:28,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:28,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4561 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 106 states and 110 transitions. [2021-11-13 23:00:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 110 transitions. [2021-11-13 23:00:29,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-13 23:00:29,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:29,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:29,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-13 23:00:29,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:29,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4657 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 107 states and 111 transitions. [2021-11-13 23:00:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2021-11-13 23:00:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-13 23:00:30,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:30,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:30,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-13 23:00:30,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4754 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:31,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:31,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 108 states and 112 transitions. [2021-11-13 23:00:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 112 transitions. [2021-11-13 23:00:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-13 23:00:31,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:31,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:31,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-13 23:00:31,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4852 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:32,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:32,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 109 states and 113 transitions. [2021-11-13 23:00:32,125 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2021-11-13 23:00:32,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 23:00:32,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:32,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:32,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-13 23:00:32,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4951 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:33,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 110 states and 114 transitions. [2021-11-13 23:00:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2021-11-13 23:00:33,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 23:00:33,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:33,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:33,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-13 23:00:33,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5051 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 111 states and 115 transitions. [2021-11-13 23:00:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2021-11-13 23:00:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-13 23:00:33,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:33,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:34,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-13 23:00:34,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5152 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:34,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 112 states and 116 transitions. [2021-11-13 23:00:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2021-11-13 23:00:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 23:00:34,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:34,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:35,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-13 23:00:35,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:35,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5254 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 113 states and 117 transitions. [2021-11-13 23:00:35,844 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2021-11-13 23:00:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 23:00:35,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:35,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:35,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-13 23:00:35,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:36,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5357 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:36,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 114 states and 118 transitions. [2021-11-13 23:00:36,788 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2021-11-13 23:00:36,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 23:00:36,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:36,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:36,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-13 23:00:36,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:37,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:37,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 115 states and 119 transitions. [2021-11-13 23:00:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2021-11-13 23:00:37,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-13 23:00:37,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:37,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:37,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-13 23:00:37,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:38,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5566 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:38,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 116 states and 120 transitions. [2021-11-13 23:00:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2021-11-13 23:00:38,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 23:00:38,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:38,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:38,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-13 23:00:38,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:39,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5672 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 117 states and 121 transitions. [2021-11-13 23:00:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2021-11-13 23:00:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-13 23:00:39,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:39,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:39,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-13 23:00:39,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5779 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:40,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 118 states and 122 transitions. [2021-11-13 23:00:40,826 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 122 transitions. [2021-11-13 23:00:40,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 23:00:40,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:40,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:40,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-13 23:00:40,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 5887 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 119 states and 123 transitions. [2021-11-13 23:00:41,763 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 123 transitions. [2021-11-13 23:00:41,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 23:00:41,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:41,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:41,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-13 23:00:41,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:42,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 120 states and 124 transitions. [2021-11-13 23:00:42,702 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2021-11-13 23:00:42,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-13 23:00:42,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:42,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:42,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-13 23:00:42,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:43,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6106 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 121 states and 125 transitions. [2021-11-13 23:00:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2021-11-13 23:00:43,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-13 23:00:43,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:43,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:43,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-13 23:00:43,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:44,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6217 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:44,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 122 states and 126 transitions. [2021-11-13 23:00:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2021-11-13 23:00:44,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 23:00:44,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:44,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:44,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-13 23:00:44,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:45,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6329 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:45,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 123 states and 127 transitions. [2021-11-13 23:00:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2021-11-13 23:00:45,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-13 23:00:45,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:45,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:45,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-13 23:00:45,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6442 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:46,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 124 states and 128 transitions. [2021-11-13 23:00:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 128 transitions. [2021-11-13 23:00:46,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:00:46,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:46,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:46,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-13 23:00:46,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:47,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6556 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:47,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 125 states and 129 transitions. [2021-11-13 23:00:47,706 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 129 transitions. [2021-11-13 23:00:47,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-13 23:00:47,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:47,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:47,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-13 23:00:47,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:48,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6671 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:48,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2021-11-13 23:00:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2021-11-13 23:00:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-13 23:00:48,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:48,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:48,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 118 conjunts are in the unsatisfiable core [2021-11-13 23:00:48,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6787 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:49,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:49,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 127 states and 131 transitions. [2021-11-13 23:00:49,820 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 131 transitions. [2021-11-13 23:00:49,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-13 23:00:49,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:49,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:49,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-13 23:00:49,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:50,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6904 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 128 states and 132 transitions. [2021-11-13 23:00:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2021-11-13 23:00:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-13 23:00:50,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:50,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:50,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-13 23:00:50,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 7022 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:51,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 129 states and 133 transitions. [2021-11-13 23:00:51,810 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2021-11-13 23:00:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-13 23:00:51,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:51,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:51,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-13 23:00:51,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 7141 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:52,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:52,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 130 states and 134 transitions. [2021-11-13 23:00:52,953 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2021-11-13 23:00:52,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-13 23:00:52,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:52,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:53,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 122 conjunts are in the unsatisfiable core [2021-11-13 23:00:53,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 131 states and 135 transitions. [2021-11-13 23:00:54,147 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2021-11-13 23:00:54,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-13 23:00:54,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:54,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:54,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-13 23:00:54,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 7382 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:55,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 132 states and 136 transitions. [2021-11-13 23:00:55,254 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2021-11-13 23:00:55,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-13 23:00:55,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:55,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:55,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-13 23:00:55,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 7504 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 133 states and 137 transitions. [2021-11-13 23:00:56,421 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 137 transitions. [2021-11-13 23:00:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-13 23:00:56,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:56,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:56,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-13 23:00:56,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 7627 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 134 states and 138 transitions. [2021-11-13 23:00:57,514 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 138 transitions. [2021-11-13 23:00:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 23:00:57,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:57,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:57,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-13 23:00:57,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 135 states and 139 transitions. [2021-11-13 23:00:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2021-11-13 23:00:58,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-13 23:00:58,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:58,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:58,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-13 23:00:58,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:00:59,093 INFO L134 CoverageAnalysis]: Checked inductivity of 7876 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:00:59,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:59,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 136 states and 140 transitions. [2021-11-13 23:00:59,567 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2021-11-13 23:00:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 23:00:59,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:59,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:59,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-13 23:00:59,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 8002 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:00,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:00,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 137 states and 141 transitions. [2021-11-13 23:01:00,650 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2021-11-13 23:01:00,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-13 23:01:00,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:00,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:00,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-13 23:01:00,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 8129 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 138 states and 142 transitions. [2021-11-13 23:01:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2021-11-13 23:01:01,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-13 23:01:01,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:01,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:01,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-13 23:01:01,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 8257 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 139 states and 143 transitions. [2021-11-13 23:01:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 143 transitions. [2021-11-13 23:01:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-13 23:01:02,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:02,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:02,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-13 23:01:02,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8386 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:04,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:04,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 140 states and 144 transitions. [2021-11-13 23:01:04,003 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 144 transitions. [2021-11-13 23:01:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 23:01:04,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:04,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:04,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-13 23:01:04,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 8516 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:05,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:05,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 141 states and 145 transitions. [2021-11-13 23:01:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions. [2021-11-13 23:01:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-13 23:01:05,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:05,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:05,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-13 23:01:05,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:06,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:06,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 142 states and 146 transitions. [2021-11-13 23:01:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2021-11-13 23:01:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-13 23:01:06,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:06,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:06,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-13 23:01:06,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 8779 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 143 states and 147 transitions. [2021-11-13 23:01:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2021-11-13 23:01:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 23:01:07,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:07,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:07,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-13 23:01:07,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8912 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 144 states and 148 transitions. [2021-11-13 23:01:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 148 transitions. [2021-11-13 23:01:08,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-13 23:01:08,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:08,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:08,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-13 23:01:08,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 9046 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:09,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 145 states and 149 transitions. [2021-11-13 23:01:09,616 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 149 transitions. [2021-11-13 23:01:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-13 23:01:09,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:09,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:09,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-13 23:01:09,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 9181 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:10,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 146 states and 150 transitions. [2021-11-13 23:01:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 150 transitions. [2021-11-13 23:01:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-13 23:01:10,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:10,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:10,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-13 23:01:10,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:11,491 INFO L134 CoverageAnalysis]: Checked inductivity of 9317 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 147 states and 151 transitions. [2021-11-13 23:01:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions. [2021-11-13 23:01:12,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-13 23:01:12,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:12,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:12,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-13 23:01:12,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 9454 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 148 states and 152 transitions. [2021-11-13 23:01:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2021-11-13 23:01:13,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 23:01:13,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:13,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:13,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-13 23:01:13,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 9592 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:14,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 149 states and 153 transitions. [2021-11-13 23:01:14,297 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2021-11-13 23:01:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-13 23:01:14,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:14,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:14,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-13 23:01:14,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 9731 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:15,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 150 states and 154 transitions. [2021-11-13 23:01:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2021-11-13 23:01:15,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-13 23:01:15,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:15,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:15,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 142 conjunts are in the unsatisfiable core [2021-11-13 23:01:15,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:16,143 INFO L134 CoverageAnalysis]: Checked inductivity of 9871 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 151 states and 155 transitions. [2021-11-13 23:01:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2021-11-13 23:01:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 23:01:16,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:16,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:16,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-13 23:01:16,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:17,325 INFO L134 CoverageAnalysis]: Checked inductivity of 10012 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:17,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:17,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 152 states and 156 transitions. [2021-11-13 23:01:17,933 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2021-11-13 23:01:17,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 23:01:17,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:17,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:18,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-13 23:01:18,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:18,554 INFO L134 CoverageAnalysis]: Checked inductivity of 10154 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:19,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 153 states and 157 transitions. [2021-11-13 23:01:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 157 transitions. [2021-11-13 23:01:19,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-13 23:01:19,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:19,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:19,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-13 23:01:19,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 10297 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 154 states and 158 transitions. [2021-11-13 23:01:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2021-11-13 23:01:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-13 23:01:20,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:20,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:20,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-13 23:01:20,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:20,899 INFO L134 CoverageAnalysis]: Checked inductivity of 10441 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 155 states and 159 transitions. [2021-11-13 23:01:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions. [2021-11-13 23:01:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-13 23:01:21,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:21,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:21,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-13 23:01:21,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10586 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:22,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:22,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 156 states and 160 transitions. [2021-11-13 23:01:22,653 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions. [2021-11-13 23:01:22,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-13 23:01:22,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:22,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:22,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-13 23:01:22,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:23,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10732 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 157 states and 161 transitions. [2021-11-13 23:01:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2021-11-13 23:01:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-13 23:01:23,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:23,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:24,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-13 23:01:24,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:24,535 INFO L134 CoverageAnalysis]: Checked inductivity of 10879 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:25,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:25,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 158 states and 162 transitions. [2021-11-13 23:01:25,182 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 162 transitions. [2021-11-13 23:01:25,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-13 23:01:25,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:25,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:25,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-13 23:01:25,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:25,820 INFO L134 CoverageAnalysis]: Checked inductivity of 11027 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 159 states and 163 transitions. [2021-11-13 23:01:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2021-11-13 23:01:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-13 23:01:26,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:26,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:26,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-13 23:01:26,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:27,027 INFO L134 CoverageAnalysis]: Checked inductivity of 11176 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 160 states and 164 transitions. [2021-11-13 23:01:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 164 transitions. [2021-11-13 23:01:27,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-13 23:01:27,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:27,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:27,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-13 23:01:27,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 11326 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 161 states and 165 transitions. [2021-11-13 23:01:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 165 transitions. [2021-11-13 23:01:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-13 23:01:28,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:28,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:28,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-13 23:01:28,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 11477 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:30,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 162 states and 166 transitions. [2021-11-13 23:01:30,072 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 166 transitions. [2021-11-13 23:01:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-13 23:01:30,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:30,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:30,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 154 conjunts are in the unsatisfiable core [2021-11-13 23:01:30,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 11629 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 163 states and 167 transitions. [2021-11-13 23:01:31,353 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 167 transitions. [2021-11-13 23:01:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-13 23:01:31,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:31,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:31,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-13 23:01:31,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:32,137 INFO L134 CoverageAnalysis]: Checked inductivity of 11782 backedges. 0 proven. 11781 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:32,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:32,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 164 states and 168 transitions. [2021-11-13 23:01:32,776 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 168 transitions. [2021-11-13 23:01:32,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-13 23:01:32,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:32,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:32,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-13 23:01:32,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 11936 backedges. 0 proven. 11935 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 165 states and 169 transitions. [2021-11-13 23:01:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 169 transitions. [2021-11-13 23:01:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-13 23:01:34,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:34,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:34,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-13 23:01:34,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12091 backedges. 0 proven. 12090 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 166 states and 170 transitions. [2021-11-13 23:01:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 170 transitions. [2021-11-13 23:01:35,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-13 23:01:35,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:35,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:35,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 158 conjunts are in the unsatisfiable core [2021-11-13 23:01:35,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:36,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12247 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:36,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 167 states and 171 transitions. [2021-11-13 23:01:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 171 transitions. [2021-11-13 23:01:36,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-13 23:01:36,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:36,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:36,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-13 23:01:36,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:37,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12404 backedges. 0 proven. 12403 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 168 states and 172 transitions. [2021-11-13 23:01:38,003 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 172 transitions. [2021-11-13 23:01:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-13 23:01:38,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:38,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:38,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-13 23:01:38,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:38,829 INFO L134 CoverageAnalysis]: Checked inductivity of 12562 backedges. 0 proven. 12561 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:39,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 169 states and 173 transitions. [2021-11-13 23:01:39,441 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 173 transitions. [2021-11-13 23:01:39,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-13 23:01:39,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:39,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:39,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-13 23:01:39,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 0 proven. 12720 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:40,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:40,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 170 states and 174 transitions. [2021-11-13 23:01:40,773 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 174 transitions. [2021-11-13 23:01:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-13 23:01:40,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:40,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:40,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 162 conjunts are in the unsatisfiable core [2021-11-13 23:01:40,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:41,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12881 backedges. 0 proven. 12880 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:42,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:42,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 171 states and 175 transitions. [2021-11-13 23:01:42,138 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 175 transitions. [2021-11-13 23:01:42,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-13 23:01:42,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:42,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:42,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-13 23:01:42,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 13042 backedges. 0 proven. 13041 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 172 states and 176 transitions. [2021-11-13 23:01:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 176 transitions. [2021-11-13 23:01:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-13 23:01:43,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:43,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:43,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-13 23:01:43,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 13204 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:44,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 173 states and 177 transitions. [2021-11-13 23:01:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2021-11-13 23:01:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-13 23:01:44,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:44,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:45,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-13 23:01:45,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:45,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13367 backedges. 0 proven. 13366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:46,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 174 states and 178 transitions. [2021-11-13 23:01:46,509 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 178 transitions. [2021-11-13 23:01:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-13 23:01:46,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:46,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:46,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-13 23:01:46,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 13531 backedges. 0 proven. 13530 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 175 states and 179 transitions. [2021-11-13 23:01:48,004 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2021-11-13 23:01:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-13 23:01:48,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:48,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:48,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-13 23:01:48,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:48,854 INFO L134 CoverageAnalysis]: Checked inductivity of 13696 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 176 states and 180 transitions. [2021-11-13 23:01:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 180 transitions. [2021-11-13 23:01:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-13 23:01:49,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:49,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:49,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-13 23:01:49,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 13862 backedges. 0 proven. 13861 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:51,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 177 states and 181 transitions. [2021-11-13 23:01:51,176 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 181 transitions. [2021-11-13 23:01:51,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-13 23:01:51,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:51,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:51,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-13 23:01:51,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 14029 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:52,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:52,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 178 states and 182 transitions. [2021-11-13 23:01:52,793 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 182 transitions. [2021-11-13 23:01:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-13 23:01:52,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:52,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:53,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-13 23:01:53,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:53,852 INFO L134 CoverageAnalysis]: Checked inductivity of 14197 backedges. 0 proven. 14196 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:54,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 179 states and 183 transitions. [2021-11-13 23:01:54,625 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 183 transitions. [2021-11-13 23:01:54,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-13 23:01:54,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:54,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:54,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-13 23:01:54,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 14366 backedges. 0 proven. 14365 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:56,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 180 states and 184 transitions. [2021-11-13 23:01:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 184 transitions. [2021-11-13 23:01:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-13 23:01:56,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:56,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:56,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-13 23:01:56,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 14536 backedges. 0 proven. 14535 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:57,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 181 states and 185 transitions. [2021-11-13 23:01:57,795 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 185 transitions. [2021-11-13 23:01:57,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-13 23:01:57,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:57,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:57,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-13 23:01:57,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:01:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 14707 backedges. 0 proven. 14706 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:01:59,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:59,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 182 states and 186 transitions. [2021-11-13 23:01:59,411 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 186 transitions. [2021-11-13 23:01:59,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-13 23:01:59,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:59,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:59,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 174 conjunts are in the unsatisfiable core [2021-11-13 23:01:59,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:00,384 INFO L134 CoverageAnalysis]: Checked inductivity of 14879 backedges. 0 proven. 14878 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:01,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 183 states and 187 transitions. [2021-11-13 23:02:01,171 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 187 transitions. [2021-11-13 23:02:01,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-13 23:02:01,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:01,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:01,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-13 23:02:01,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:02,159 INFO L134 CoverageAnalysis]: Checked inductivity of 15052 backedges. 0 proven. 15051 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:02,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:02,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 184 states and 188 transitions. [2021-11-13 23:02:02,856 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 188 transitions. [2021-11-13 23:02:02,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-13 23:02:02,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:02,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:03,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-13 23:02:03,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15226 backedges. 0 proven. 15225 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 185 states and 189 transitions. [2021-11-13 23:02:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 189 transitions. [2021-11-13 23:02:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-13 23:02:04,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:04,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:04,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-13 23:02:04,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:05,483 INFO L134 CoverageAnalysis]: Checked inductivity of 15401 backedges. 0 proven. 15400 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:06,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 186 states and 190 transitions. [2021-11-13 23:02:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 190 transitions. [2021-11-13 23:02:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-13 23:02:06,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:06,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:06,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 178 conjunts are in the unsatisfiable core [2021-11-13 23:02:06,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 15577 backedges. 0 proven. 15576 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:07,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:07,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 187 states and 191 transitions. [2021-11-13 23:02:07,938 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 191 transitions. [2021-11-13 23:02:07,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-13 23:02:07,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:07,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:08,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-13 23:02:08,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:08,893 INFO L134 CoverageAnalysis]: Checked inductivity of 15754 backedges. 0 proven. 15753 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:09,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:09,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 188 states and 192 transitions. [2021-11-13 23:02:09,873 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 192 transitions. [2021-11-13 23:02:09,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-13 23:02:09,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:09,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:10,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-13 23:02:10,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 15932 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 189 states and 193 transitions. [2021-11-13 23:02:11,557 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions. [2021-11-13 23:02:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-13 23:02:11,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:11,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:11,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-13 23:02:11,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 16111 backedges. 0 proven. 16110 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:13,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 190 states and 194 transitions. [2021-11-13 23:02:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 194 transitions. [2021-11-13 23:02:13,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-13 23:02:13,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:13,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:13,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-13 23:02:13,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 16291 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 191 states and 195 transitions. [2021-11-13 23:02:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 195 transitions. [2021-11-13 23:02:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-13 23:02:14,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:14,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:15,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-13 23:02:15,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:15,911 INFO L134 CoverageAnalysis]: Checked inductivity of 16472 backedges. 0 proven. 16471 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:16,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 192 states and 196 transitions. [2021-11-13 23:02:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 196 transitions. [2021-11-13 23:02:16,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-13 23:02:16,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:16,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:16,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-13 23:02:16,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 16654 backedges. 0 proven. 16653 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:18,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:18,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 193 states and 197 transitions. [2021-11-13 23:02:18,634 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 197 transitions. [2021-11-13 23:02:18,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-13 23:02:18,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:18,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:18,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-13 23:02:18,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 16837 backedges. 0 proven. 16836 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:20,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 194 states and 198 transitions. [2021-11-13 23:02:20,399 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 198 transitions. [2021-11-13 23:02:20,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-13 23:02:20,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:20,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:20,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 186 conjunts are in the unsatisfiable core [2021-11-13 23:02:20,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 17021 backedges. 0 proven. 17020 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:22,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:22,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 195 states and 199 transitions. [2021-11-13 23:02:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 199 transitions. [2021-11-13 23:02:22,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-13 23:02:22,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:22,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:22,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-13 23:02:22,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:23,167 INFO L134 CoverageAnalysis]: Checked inductivity of 17206 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:23,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:23,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 196 states and 200 transitions. [2021-11-13 23:02:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 200 transitions. [2021-11-13 23:02:23,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-13 23:02:23,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:23,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:24,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-13 23:02:24,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 17392 backedges. 0 proven. 17391 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 197 states and 201 transitions. [2021-11-13 23:02:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 201 transitions. [2021-11-13 23:02:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-13 23:02:25,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:25,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:26,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-13 23:02:26,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 17579 backedges. 0 proven. 17578 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 198 states and 202 transitions. [2021-11-13 23:02:27,993 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 202 transitions. [2021-11-13 23:02:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-13 23:02:27,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:27,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:28,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 190 conjunts are in the unsatisfiable core [2021-11-13 23:02:28,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:29,050 INFO L134 CoverageAnalysis]: Checked inductivity of 17767 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 199 states and 203 transitions. [2021-11-13 23:02:29,956 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 203 transitions. [2021-11-13 23:02:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-13 23:02:29,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:29,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:30,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-13 23:02:30,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 17956 backedges. 0 proven. 17955 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 200 states and 204 transitions. [2021-11-13 23:02:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 204 transitions. [2021-11-13 23:02:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-13 23:02:31,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:31,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:32,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-13 23:02:32,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 18146 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:33,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:33,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 201 states and 205 transitions. [2021-11-13 23:02:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 205 transitions. [2021-11-13 23:02:33,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-13 23:02:33,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:33,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:34,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-13 23:02:34,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 18337 backedges. 0 proven. 18336 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:35,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 202 states and 206 transitions. [2021-11-13 23:02:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 206 transitions. [2021-11-13 23:02:35,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-13 23:02:35,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:35,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:36,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 194 conjunts are in the unsatisfiable core [2021-11-13 23:02:36,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 18529 backedges. 0 proven. 18528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 203 states and 207 transitions. [2021-11-13 23:02:37,756 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 207 transitions. [2021-11-13 23:02:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-13 23:02:37,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:37,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:37,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-13 23:02:37,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:38,818 INFO L134 CoverageAnalysis]: Checked inductivity of 18722 backedges. 0 proven. 18721 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:39,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 204 states and 208 transitions. [2021-11-13 23:02:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 208 transitions. [2021-11-13 23:02:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-13 23:02:39,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:39,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:39,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-13 23:02:39,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 18916 backedges. 0 proven. 18915 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 205 states and 209 transitions. [2021-11-13 23:02:41,763 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 209 transitions. [2021-11-13 23:02:41,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-13 23:02:41,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:41,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:41,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-13 23:02:41,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 19111 backedges. 0 proven. 19110 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:43,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 206 states and 210 transitions. [2021-11-13 23:02:43,673 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 210 transitions. [2021-11-13 23:02:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-13 23:02:43,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:43,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:43,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 198 conjunts are in the unsatisfiable core [2021-11-13 23:02:43,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 19307 backedges. 0 proven. 19306 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:45,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 207 states and 211 transitions. [2021-11-13 23:02:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 211 transitions. [2021-11-13 23:02:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-13 23:02:45,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:45,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:45,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-13 23:02:45,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 19504 backedges. 0 proven. 19503 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:47,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:47,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 208 states and 212 transitions. [2021-11-13 23:02:47,521 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 212 transitions. [2021-11-13 23:02:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-13 23:02:47,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:47,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:47,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-13 23:02:47,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:48,544 INFO L134 CoverageAnalysis]: Checked inductivity of 19702 backedges. 0 proven. 19701 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 209 states and 213 transitions. [2021-11-13 23:02:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 213 transitions. [2021-11-13 23:02:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-13 23:02:49,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:49,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:49,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-13 23:02:49,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 19901 backedges. 0 proven. 19900 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:51,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 210 states and 214 transitions. [2021-11-13 23:02:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 214 transitions. [2021-11-13 23:02:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-13 23:02:51,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:51,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:51,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 202 conjunts are in the unsatisfiable core [2021-11-13 23:02:51,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 20101 backedges. 0 proven. 20100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 211 states and 215 transitions. [2021-11-13 23:02:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 215 transitions. [2021-11-13 23:02:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-13 23:02:53,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:53,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:53,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-13 23:02:53,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 20302 backedges. 0 proven. 20301 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:55,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 212 states and 216 transitions. [2021-11-13 23:02:55,769 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 216 transitions. [2021-11-13 23:02:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-13 23:02:55,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:55,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:56,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-13 23:02:56,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 20504 backedges. 0 proven. 20503 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 213 states and 217 transitions. [2021-11-13 23:02:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 217 transitions. [2021-11-13 23:02:57,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-13 23:02:57,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:57,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:58,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-13 23:02:58,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:02:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 20707 backedges. 0 proven. 20706 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:02:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 214 states and 218 transitions. [2021-11-13 23:02:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 218 transitions. [2021-11-13 23:02:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-13 23:02:59,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:59,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:59,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-13 23:02:59,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 20911 backedges. 0 proven. 20910 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 215 states and 219 transitions. [2021-11-13 23:03:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 219 transitions. [2021-11-13 23:03:01,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-13 23:03:01,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:01,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:01,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-13 23:03:01,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 21116 backedges. 0 proven. 21115 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:03,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 216 states and 220 transitions. [2021-11-13 23:03:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 220 transitions. [2021-11-13 23:03:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-13 23:03:03,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:03,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:03,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-13 23:03:03,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 21322 backedges. 0 proven. 21321 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:05,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 217 states and 221 transitions. [2021-11-13 23:03:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 221 transitions. [2021-11-13 23:03:05,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-13 23:03:05,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:05,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:05,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-13 23:03:05,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 21529 backedges. 0 proven. 21528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:07,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 218 states and 222 transitions. [2021-11-13 23:03:07,192 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 222 transitions. [2021-11-13 23:03:07,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-13 23:03:07,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:07,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:07,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-13 23:03:07,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 21737 backedges. 0 proven. 21736 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 219 states and 223 transitions. [2021-11-13 23:03:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 223 transitions. [2021-11-13 23:03:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-13 23:03:09,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:09,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:09,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-13 23:03:09,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:10,088 INFO L134 CoverageAnalysis]: Checked inductivity of 21946 backedges. 0 proven. 21945 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:10,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 220 states and 224 transitions. [2021-11-13 23:03:10,967 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 224 transitions. [2021-11-13 23:03:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-13 23:03:10,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:10,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:11,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-13 23:03:11,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:12,147 INFO L134 CoverageAnalysis]: Checked inductivity of 22156 backedges. 0 proven. 22155 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:13,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 221 states and 225 transitions. [2021-11-13 23:03:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 225 transitions. [2021-11-13 23:03:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-13 23:03:13,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:13,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:13,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-13 23:03:13,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 22367 backedges. 0 proven. 22366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:14,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:14,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 222 states and 226 transitions. [2021-11-13 23:03:14,856 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 226 transitions. [2021-11-13 23:03:14,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-13 23:03:14,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:14,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:15,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 214 conjunts are in the unsatisfiable core [2021-11-13 23:03:15,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 22579 backedges. 0 proven. 22578 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 223 states and 227 transitions. [2021-11-13 23:03:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 227 transitions. [2021-11-13 23:03:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-13 23:03:16,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:16,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:16,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-13 23:03:16,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 22792 backedges. 0 proven. 22791 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:18,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:18,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 224 states and 228 transitions. [2021-11-13 23:03:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 228 transitions. [2021-11-13 23:03:18,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-13 23:03:18,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:18,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:18,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-13 23:03:18,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:19,645 INFO L134 CoverageAnalysis]: Checked inductivity of 23006 backedges. 0 proven. 23005 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:20,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:20,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 225 states and 229 transitions. [2021-11-13 23:03:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 229 transitions. [2021-11-13 23:03:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-13 23:03:20,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:20,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:20,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-13 23:03:20,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 23221 backedges. 0 proven. 23220 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 226 states and 230 transitions. [2021-11-13 23:03:22,541 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 230 transitions. [2021-11-13 23:03:22,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-13 23:03:22,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:22,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:22,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 218 conjunts are in the unsatisfiable core [2021-11-13 23:03:22,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 23437 backedges. 0 proven. 23436 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:24,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 227 states and 231 transitions. [2021-11-13 23:03:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 231 transitions. [2021-11-13 23:03:24,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-13 23:03:24,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:24,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:24,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-13 23:03:24,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 23654 backedges. 0 proven. 23653 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:26,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 228 states and 232 transitions. [2021-11-13 23:03:26,435 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 232 transitions. [2021-11-13 23:03:26,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-13 23:03:26,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:26,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:26,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-13 23:03:26,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 23872 backedges. 0 proven. 23871 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:28,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 229 states and 233 transitions. [2021-11-13 23:03:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 233 transitions. [2021-11-13 23:03:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-13 23:03:28,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:28,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:28,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-13 23:03:28,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 24091 backedges. 0 proven. 24090 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:30,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:30,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 230 states and 234 transitions. [2021-11-13 23:03:30,479 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 234 transitions. [2021-11-13 23:03:30,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-13 23:03:30,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:30,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:30,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-13 23:03:30,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 24311 backedges. 0 proven. 24310 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 231 states and 235 transitions. [2021-11-13 23:03:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 235 transitions. [2021-11-13 23:03:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-13 23:03:32,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:32,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:32,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-13 23:03:32,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 24532 backedges. 0 proven. 24531 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:34,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:34,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 232 states and 236 transitions. [2021-11-13 23:03:34,395 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 236 transitions. [2021-11-13 23:03:34,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-13 23:03:34,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:34,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:34,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-13 23:03:34,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:35,471 INFO L134 CoverageAnalysis]: Checked inductivity of 24754 backedges. 0 proven. 24753 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:36,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:36,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 233 states and 237 transitions. [2021-11-13 23:03:36,381 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 237 transitions. [2021-11-13 23:03:36,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-13 23:03:36,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:36,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:36,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-13 23:03:36,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:37,612 INFO L134 CoverageAnalysis]: Checked inductivity of 24977 backedges. 0 proven. 24976 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 234 states and 238 transitions. [2021-11-13 23:03:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 238 transitions. [2021-11-13 23:03:38,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-13 23:03:38,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:38,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:38,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 226 conjunts are in the unsatisfiable core [2021-11-13 23:03:38,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 25201 backedges. 0 proven. 25200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:40,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 235 states and 239 transitions. [2021-11-13 23:03:40,470 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 239 transitions. [2021-11-13 23:03:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-13 23:03:40,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:40,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:40,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-13 23:03:40,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:41,521 INFO L134 CoverageAnalysis]: Checked inductivity of 25426 backedges. 0 proven. 25425 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:42,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 236 states and 240 transitions. [2021-11-13 23:03:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 240 transitions. [2021-11-13 23:03:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-13 23:03:42,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:42,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:42,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-13 23:03:42,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 25652 backedges. 0 proven. 25651 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:44,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:44,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 237 states and 241 transitions. [2021-11-13 23:03:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 241 transitions. [2021-11-13 23:03:44,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-13 23:03:44,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:44,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:44,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-13 23:03:44,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 25879 backedges. 0 proven. 25878 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:46,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:46,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 238 states and 242 transitions. [2021-11-13 23:03:46,733 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 242 transitions. [2021-11-13 23:03:46,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-13 23:03:46,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:46,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:46,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-13 23:03:46,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:47,798 INFO L134 CoverageAnalysis]: Checked inductivity of 26107 backedges. 0 proven. 26106 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 239 states and 243 transitions. [2021-11-13 23:03:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 243 transitions. [2021-11-13 23:03:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-13 23:03:48,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:48,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:48,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-13 23:03:48,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 26336 backedges. 0 proven. 26335 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:50,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 240 states and 244 transitions. [2021-11-13 23:03:50,776 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 244 transitions. [2021-11-13 23:03:50,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-13 23:03:50,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:50,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:50,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-13 23:03:51,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 26566 backedges. 0 proven. 26565 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 241 states and 245 transitions. [2021-11-13 23:03:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 245 transitions. [2021-11-13 23:03:52,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-13 23:03:52,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:52,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:53,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-13 23:03:53,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:53,990 INFO L134 CoverageAnalysis]: Checked inductivity of 26797 backedges. 0 proven. 26796 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 242 states and 246 transitions. [2021-11-13 23:03:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 246 transitions. [2021-11-13 23:03:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-13 23:03:55,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:55,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:55,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-13 23:03:55,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 27029 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:57,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 243 states and 247 transitions. [2021-11-13 23:03:57,128 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 247 transitions. [2021-11-13 23:03:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-13 23:03:57,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:57,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:57,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-13 23:03:57,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:03:58,218 INFO L134 CoverageAnalysis]: Checked inductivity of 27262 backedges. 0 proven. 27261 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:03:59,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:59,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 244 states and 248 transitions. [2021-11-13 23:03:59,182 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 248 transitions. [2021-11-13 23:03:59,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-13 23:03:59,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:59,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:59,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-13 23:03:59,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:00,304 INFO L134 CoverageAnalysis]: Checked inductivity of 27496 backedges. 0 proven. 27495 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:01,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:01,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 245 states and 249 transitions. [2021-11-13 23:04:01,273 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 249 transitions. [2021-11-13 23:04:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-13 23:04:01,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:01,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:01,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-13 23:04:01,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 27731 backedges. 0 proven. 27730 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:03,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:03,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 246 states and 250 transitions. [2021-11-13 23:04:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 250 transitions. [2021-11-13 23:04:03,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-13 23:04:03,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:03,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:03,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 238 conjunts are in the unsatisfiable core [2021-11-13 23:04:03,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:04,740 INFO L134 CoverageAnalysis]: Checked inductivity of 27967 backedges. 0 proven. 27966 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 247 states and 251 transitions. [2021-11-13 23:04:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 251 transitions. [2021-11-13 23:04:05,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-13 23:04:05,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:05,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:05,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-13 23:04:05,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 28204 backedges. 0 proven. 28203 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:07,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:07,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 248 states and 252 transitions. [2021-11-13 23:04:07,814 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 252 transitions. [2021-11-13 23:04:07,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-13 23:04:07,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:07,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:08,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-13 23:04:08,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:08,946 INFO L134 CoverageAnalysis]: Checked inductivity of 28442 backedges. 0 proven. 28441 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:09,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 249 states and 253 transitions. [2021-11-13 23:04:09,941 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 253 transitions. [2021-11-13 23:04:09,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-13 23:04:09,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:09,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:10,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-13 23:04:10,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 28681 backedges. 0 proven. 28680 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:12,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 250 states and 254 transitions. [2021-11-13 23:04:12,250 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 254 transitions. [2021-11-13 23:04:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-13 23:04:12,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:12,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:12,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 242 conjunts are in the unsatisfiable core [2021-11-13 23:04:12,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 28921 backedges. 0 proven. 28920 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 251 states and 255 transitions. [2021-11-13 23:04:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 255 transitions. [2021-11-13 23:04:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-13 23:04:14,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:14,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:14,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-13 23:04:14,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 29162 backedges. 0 proven. 29161 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:16,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:16,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 252 states and 256 transitions. [2021-11-13 23:04:16,645 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 256 transitions. [2021-11-13 23:04:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-13 23:04:16,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:16,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:16,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-13 23:04:16,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:17,802 INFO L134 CoverageAnalysis]: Checked inductivity of 29404 backedges. 0 proven. 29403 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:18,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 253 states and 257 transitions. [2021-11-13 23:04:18,811 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 257 transitions. [2021-11-13 23:04:18,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-13 23:04:18,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:18,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:19,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-13 23:04:19,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 29647 backedges. 0 proven. 29646 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 254 states and 258 transitions. [2021-11-13 23:04:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 258 transitions. [2021-11-13 23:04:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-13 23:04:21,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:21,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:21,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 246 conjunts are in the unsatisfiable core [2021-11-13 23:04:21,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 29891 backedges. 0 proven. 29890 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:23,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 255 states and 259 transitions. [2021-11-13 23:04:23,435 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 259 transitions. [2021-11-13 23:04:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-13 23:04:23,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:23,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:23,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-13 23:04:23,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:24,604 INFO L134 CoverageAnalysis]: Checked inductivity of 30136 backedges. 0 proven. 30135 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 256 states and 260 transitions. [2021-11-13 23:04:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 260 transitions. [2021-11-13 23:04:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-13 23:04:25,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:25,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:25,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-13 23:04:25,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 30382 backedges. 0 proven. 30381 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:27,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 257 states and 261 transitions. [2021-11-13 23:04:27,842 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 261 transitions. [2021-11-13 23:04:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-13 23:04:27,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:27,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:28,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-13 23:04:28,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 30629 backedges. 0 proven. 30628 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:30,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:30,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 258 states and 262 transitions. [2021-11-13 23:04:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 262 transitions. [2021-11-13 23:04:30,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-13 23:04:30,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:30,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:30,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 250 conjunts are in the unsatisfiable core [2021-11-13 23:04:30,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 30877 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:32,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:32,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 259 states and 263 transitions. [2021-11-13 23:04:32,412 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 263 transitions. [2021-11-13 23:04:32,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-13 23:04:32,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:32,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:32,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-13 23:04:32,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 31126 backedges. 0 proven. 31125 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 260 states and 264 transitions. [2021-11-13 23:04:34,679 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 264 transitions. [2021-11-13 23:04:34,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-13 23:04:34,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:34,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:34,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-13 23:04:34,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:36,099 INFO L134 CoverageAnalysis]: Checked inductivity of 31376 backedges. 0 proven. 31375 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:37,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 261 states and 265 transitions. [2021-11-13 23:04:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 265 transitions. [2021-11-13 23:04:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-13 23:04:37,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:37,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:37,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-13 23:04:37,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:38,316 INFO L134 CoverageAnalysis]: Checked inductivity of 31627 backedges. 0 proven. 31626 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:39,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 262 states and 266 transitions. [2021-11-13 23:04:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 266 transitions. [2021-11-13 23:04:39,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-13 23:04:39,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:39,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:39,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 1068 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-13 23:04:39,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 31879 backedges. 0 proven. 31878 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:41,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 263 states and 267 transitions. [2021-11-13 23:04:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 267 transitions. [2021-11-13 23:04:41,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-13 23:04:41,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:41,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:41,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-13 23:04:41,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 32132 backedges. 0 proven. 32131 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:44,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 264 states and 268 transitions. [2021-11-13 23:04:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 268 transitions. [2021-11-13 23:04:44,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-13 23:04:44,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:44,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:44,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-13 23:04:44,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 32386 backedges. 0 proven. 32385 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:46,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 265 states and 269 transitions. [2021-11-13 23:04:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 269 transitions. [2021-11-13 23:04:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-13 23:04:46,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:46,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:46,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1080 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-13 23:04:46,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:47,798 INFO L134 CoverageAnalysis]: Checked inductivity of 32641 backedges. 0 proven. 32640 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:49,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 266 states and 270 transitions. [2021-11-13 23:04:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 270 transitions. [2021-11-13 23:04:49,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-13 23:04:49,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:49,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:49,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-13 23:04:49,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 32897 backedges. 0 proven. 32896 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:51,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 267 states and 271 transitions. [2021-11-13 23:04:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 271 transitions. [2021-11-13 23:04:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-13 23:04:51,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:51,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:51,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-13 23:04:51,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 33154 backedges. 0 proven. 33153 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 268 states and 272 transitions. [2021-11-13 23:04:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 272 transitions. [2021-11-13 23:04:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-13 23:04:53,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:53,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:53,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-13 23:04:53,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:55,110 INFO L134 CoverageAnalysis]: Checked inductivity of 33412 backedges. 0 proven. 33411 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 269 states and 273 transitions. [2021-11-13 23:04:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 273 transitions. [2021-11-13 23:04:56,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-13 23:04:56,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:56,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:56,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-13 23:04:56,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:57,446 INFO L134 CoverageAnalysis]: Checked inductivity of 33671 backedges. 0 proven. 33670 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:04:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:58,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 270 states and 274 transitions. [2021-11-13 23:04:58,557 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 274 transitions. [2021-11-13 23:04:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-13 23:04:58,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:58,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:58,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 262 conjunts are in the unsatisfiable core [2021-11-13 23:04:58,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:04:59,839 INFO L134 CoverageAnalysis]: Checked inductivity of 33931 backedges. 0 proven. 33930 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:01,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 271 states and 275 transitions. [2021-11-13 23:05:01,098 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 275 transitions. [2021-11-13 23:05:01,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-13 23:05:01,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:01,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:01,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-13 23:05:01,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 34192 backedges. 0 proven. 34191 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 272 states and 276 transitions. [2021-11-13 23:05:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 276 transitions. [2021-11-13 23:05:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-13 23:05:03,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:03,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:03,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-13 23:05:03,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 34454 backedges. 0 proven. 34453 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 273 states and 277 transitions. [2021-11-13 23:05:05,864 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 277 transitions. [2021-11-13 23:05:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-13 23:05:05,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:05,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:06,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-13 23:05:06,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 34717 backedges. 0 proven. 34716 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 274 states and 278 transitions. [2021-11-13 23:05:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 278 transitions. [2021-11-13 23:05:08,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-13 23:05:08,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:08,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:08,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 266 conjunts are in the unsatisfiable core [2021-11-13 23:05:08,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 34981 backedges. 0 proven. 34980 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 275 states and 279 transitions. [2021-11-13 23:05:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 279 transitions. [2021-11-13 23:05:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-13 23:05:10,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:10,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:11,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-13 23:05:11,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 35246 backedges. 0 proven. 35245 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:13,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:13,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 276 states and 280 transitions. [2021-11-13 23:05:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 280 transitions. [2021-11-13 23:05:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-13 23:05:13,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:13,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:13,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-13 23:05:13,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 35512 backedges. 0 proven. 35511 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:15,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:15,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 277 states and 281 transitions. [2021-11-13 23:05:15,877 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 281 transitions. [2021-11-13 23:05:15,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-13 23:05:15,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:15,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:16,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-13 23:05:16,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 35779 backedges. 0 proven. 35778 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:18,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 278 states and 282 transitions. [2021-11-13 23:05:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 282 transitions. [2021-11-13 23:05:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-13 23:05:18,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:18,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:18,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 270 conjunts are in the unsatisfiable core [2021-11-13 23:05:18,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:19,580 INFO L134 CoverageAnalysis]: Checked inductivity of 36047 backedges. 0 proven. 36046 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:20,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:20,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 279 states and 283 transitions. [2021-11-13 23:05:20,725 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 283 transitions. [2021-11-13 23:05:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-13 23:05:20,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:20,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:20,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-13 23:05:20,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:22,059 INFO L134 CoverageAnalysis]: Checked inductivity of 36316 backedges. 0 proven. 36315 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 280 states and 284 transitions. [2021-11-13 23:05:23,399 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 284 transitions. [2021-11-13 23:05:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-13 23:05:23,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:23,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:23,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-13 23:05:23,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 36586 backedges. 0 proven. 36585 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 281 states and 285 transitions. [2021-11-13 23:05:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 285 transitions. [2021-11-13 23:05:25,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-13 23:05:25,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:25,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:26,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-13 23:05:26,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 36857 backedges. 0 proven. 36856 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:28,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:28,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 282 states and 286 transitions. [2021-11-13 23:05:28,349 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 286 transitions. [2021-11-13 23:05:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-13 23:05:28,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:28,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:28,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-13 23:05:28,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 37129 backedges. 0 proven. 37128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:31,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 283 states and 287 transitions. [2021-11-13 23:05:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 287 transitions. [2021-11-13 23:05:31,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-13 23:05:31,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:31,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:31,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-13 23:05:31,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:32,492 INFO L134 CoverageAnalysis]: Checked inductivity of 37402 backedges. 0 proven. 37401 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:33,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 284 states and 288 transitions. [2021-11-13 23:05:33,737 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 288 transitions. [2021-11-13 23:05:33,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-13 23:05:33,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:33,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:33,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 276 conjunts are in the unsatisfiable core [2021-11-13 23:05:34,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 37676 backedges. 0 proven. 37675 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:36,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:36,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 285 states and 289 transitions. [2021-11-13 23:05:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 289 transitions. [2021-11-13 23:05:36,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-13 23:05:36,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:36,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:36,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-13 23:05:36,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 37951 backedges. 0 proven. 37950 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:38,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 286 states and 290 transitions. [2021-11-13 23:05:38,946 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 290 transitions. [2021-11-13 23:05:38,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-13 23:05:38,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:38,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:39,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 278 conjunts are in the unsatisfiable core [2021-11-13 23:05:39,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 38227 backedges. 0 proven. 38226 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:41,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 287 states and 291 transitions. [2021-11-13 23:05:41,459 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 291 transitions. [2021-11-13 23:05:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-13 23:05:41,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:41,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:41,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 1168 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-13 23:05:41,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:42,805 INFO L134 CoverageAnalysis]: Checked inductivity of 38504 backedges. 0 proven. 38503 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:44,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:44,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 288 states and 292 transitions. [2021-11-13 23:05:44,002 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 292 transitions. [2021-11-13 23:05:44,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-13 23:05:44,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:44,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:44,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 280 conjunts are in the unsatisfiable core [2021-11-13 23:05:44,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 38782 backedges. 0 proven. 38781 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:46,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 289 states and 293 transitions. [2021-11-13 23:05:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 293 transitions. [2021-11-13 23:05:46,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-13 23:05:46,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:46,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:47,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-13 23:05:47,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:48,101 INFO L134 CoverageAnalysis]: Checked inductivity of 39061 backedges. 0 proven. 39060 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:49,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:49,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 290 states and 294 transitions. [2021-11-13 23:05:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 294 transitions. [2021-11-13 23:05:49,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-13 23:05:49,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:49,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:49,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 282 conjunts are in the unsatisfiable core [2021-11-13 23:05:49,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 39341 backedges. 0 proven. 39340 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:51,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 291 states and 295 transitions. [2021-11-13 23:05:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 295 transitions. [2021-11-13 23:05:51,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-13 23:05:51,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:51,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:52,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-13 23:05:52,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:53,276 INFO L134 CoverageAnalysis]: Checked inductivity of 39622 backedges. 0 proven. 39621 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:54,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:54,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 292 states and 296 transitions. [2021-11-13 23:05:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 296 transitions. [2021-11-13 23:05:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-13 23:05:54,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:54,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:54,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 284 conjunts are in the unsatisfiable core [2021-11-13 23:05:54,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 39904 backedges. 0 proven. 39903 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:05:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:57,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 293 states and 297 transitions. [2021-11-13 23:05:57,271 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 297 transitions. [2021-11-13 23:05:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-13 23:05:57,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:57,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:57,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-13 23:05:57,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:05:58,649 INFO L134 CoverageAnalysis]: Checked inductivity of 40187 backedges. 0 proven. 40186 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 294 states and 298 transitions. [2021-11-13 23:06:00,064 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 298 transitions. [2021-11-13 23:06:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-13 23:06:00,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:00,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:00,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 286 conjunts are in the unsatisfiable core [2021-11-13 23:06:00,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 40471 backedges. 0 proven. 40470 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 295 states and 299 transitions. [2021-11-13 23:06:02,674 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 299 transitions. [2021-11-13 23:06:02,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-13 23:06:02,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:02,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:02,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-13 23:06:02,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 40756 backedges. 0 proven. 40755 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 296 states and 300 transitions. [2021-11-13 23:06:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 300 transitions. [2021-11-13 23:06:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-13 23:06:05,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:05,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:05,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 288 conjunts are in the unsatisfiable core [2021-11-13 23:06:05,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 41042 backedges. 0 proven. 41041 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 297 states and 301 transitions. [2021-11-13 23:06:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 301 transitions. [2021-11-13 23:06:08,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-13 23:06:08,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:08,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:08,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-13 23:06:08,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 41329 backedges. 0 proven. 41328 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 298 states and 302 transitions. [2021-11-13 23:06:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 302 transitions. [2021-11-13 23:06:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-13 23:06:10,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:10,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:11,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 290 conjunts are in the unsatisfiable core [2021-11-13 23:06:11,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 41617 backedges. 0 proven. 41616 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 299 states and 303 transitions. [2021-11-13 23:06:13,873 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 303 transitions. [2021-11-13 23:06:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-13 23:06:13,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:13,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:14,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-13 23:06:14,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 41906 backedges. 0 proven. 41905 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:16,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:16,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 300 states and 304 transitions. [2021-11-13 23:06:16,513 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 304 transitions. [2021-11-13 23:06:16,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-13 23:06:16,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:16,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:16,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 292 conjunts are in the unsatisfiable core [2021-11-13 23:06:16,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 42196 backedges. 0 proven. 42195 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 301 states and 305 transitions. [2021-11-13 23:06:19,367 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 305 transitions. [2021-11-13 23:06:19,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-13 23:06:19,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:19,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:19,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-13 23:06:19,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 42487 backedges. 0 proven. 42486 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:22,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:22,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 302 states and 306 transitions. [2021-11-13 23:06:22,040 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 306 transitions. [2021-11-13 23:06:22,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-13 23:06:22,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:22,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:22,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-13 23:06:22,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 42779 backedges. 0 proven. 42778 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:24,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 303 states and 307 transitions. [2021-11-13 23:06:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 307 transitions. [2021-11-13 23:06:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-13 23:06:24,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:24,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:25,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-13 23:06:25,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 43072 backedges. 0 proven. 43071 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:27,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 304 states and 308 transitions. [2021-11-13 23:06:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 308 transitions. [2021-11-13 23:06:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-13 23:06:27,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:27,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:27,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 296 conjunts are in the unsatisfiable core [2021-11-13 23:06:27,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 43366 backedges. 0 proven. 43365 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:30,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 305 states and 309 transitions. [2021-11-13 23:06:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 309 transitions. [2021-11-13 23:06:30,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-13 23:06:30,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:30,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:30,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-13 23:06:30,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 43661 backedges. 0 proven. 43660 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:33,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:33,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 306 states and 310 transitions. [2021-11-13 23:06:33,284 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 310 transitions. [2021-11-13 23:06:33,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-13 23:06:33,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:33,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:33,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 298 conjunts are in the unsatisfiable core [2021-11-13 23:06:33,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:34,762 INFO L134 CoverageAnalysis]: Checked inductivity of 43957 backedges. 0 proven. 43956 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:36,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:36,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 307 states and 311 transitions. [2021-11-13 23:06:36,238 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 311 transitions. [2021-11-13 23:06:36,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-13 23:06:36,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:36,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:36,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-13 23:06:36,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 44254 backedges. 0 proven. 44253 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:38,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 308 states and 312 transitions. [2021-11-13 23:06:38,989 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 312 transitions. [2021-11-13 23:06:38,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-13 23:06:38,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:38,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:39,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 300 conjunts are in the unsatisfiable core [2021-11-13 23:06:39,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 44552 backedges. 0 proven. 44551 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 309 states and 313 transitions. [2021-11-13 23:06:41,792 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 313 transitions. [2021-11-13 23:06:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-13 23:06:41,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:41,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:42,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-13 23:06:42,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 44851 backedges. 0 proven. 44850 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:44,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:44,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 310 states and 314 transitions. [2021-11-13 23:06:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 314 transitions. [2021-11-13 23:06:44,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-13 23:06:44,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:44,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:45,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 302 conjunts are in the unsatisfiable core [2021-11-13 23:06:45,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 45151 backedges. 0 proven. 45150 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 311 states and 315 transitions. [2021-11-13 23:06:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 315 transitions. [2021-11-13 23:06:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-13 23:06:47,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:47,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:48,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-13 23:06:48,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 45452 backedges. 0 proven. 45451 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 312 states and 316 transitions. [2021-11-13 23:06:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 316 transitions. [2021-11-13 23:06:50,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-13 23:06:50,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:50,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:50,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 304 conjunts are in the unsatisfiable core [2021-11-13 23:06:50,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 45754 backedges. 0 proven. 45753 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 313 states and 317 transitions. [2021-11-13 23:06:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 317 transitions. [2021-11-13 23:06:53,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-13 23:06:53,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:53,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:53,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-13 23:06:53,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 46057 backedges. 0 proven. 46056 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 314 states and 318 transitions. [2021-11-13 23:06:56,420 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 318 transitions. [2021-11-13 23:06:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-13 23:06:56,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:56,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:56,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 306 conjunts are in the unsatisfiable core [2021-11-13 23:06:56,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:06:57,917 INFO L134 CoverageAnalysis]: Checked inductivity of 46361 backedges. 0 proven. 46360 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:06:59,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:59,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 315 states and 319 transitions. [2021-11-13 23:06:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 319 transitions. [2021-11-13 23:06:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-13 23:06:59,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:59,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:59,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-13 23:06:59,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:00,940 INFO L134 CoverageAnalysis]: Checked inductivity of 46666 backedges. 0 proven. 46665 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:02,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 316 states and 320 transitions. [2021-11-13 23:07:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 320 transitions. [2021-11-13 23:07:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-13 23:07:02,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:02,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:02,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 308 conjunts are in the unsatisfiable core [2021-11-13 23:07:02,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 46972 backedges. 0 proven. 46971 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:05,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 317 states and 321 transitions. [2021-11-13 23:07:05,329 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 321 transitions. [2021-11-13 23:07:05,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-13 23:07:05,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:05,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:05,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-13 23:07:05,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 47279 backedges. 0 proven. 47278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:08,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 318 states and 322 transitions. [2021-11-13 23:07:08,180 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 322 transitions. [2021-11-13 23:07:08,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-13 23:07:08,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:08,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:08,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 1292 conjuncts, 310 conjunts are in the unsatisfiable core [2021-11-13 23:07:08,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 47587 backedges. 0 proven. 47586 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 319 states and 323 transitions. [2021-11-13 23:07:11,052 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 323 transitions. [2021-11-13 23:07:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-13 23:07:11,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:11,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:11,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-13 23:07:11,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 47896 backedges. 0 proven. 47895 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:14,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:14,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 320 states and 324 transitions. [2021-11-13 23:07:14,080 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 324 transitions. [2021-11-13 23:07:14,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-13 23:07:14,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:14,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:14,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 312 conjunts are in the unsatisfiable core [2021-11-13 23:07:14,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:15,614 INFO L134 CoverageAnalysis]: Checked inductivity of 48206 backedges. 0 proven. 48205 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 321 states and 325 transitions. [2021-11-13 23:07:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 325 transitions. [2021-11-13 23:07:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-13 23:07:17,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:17,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:17,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-13 23:07:17,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 48517 backedges. 0 proven. 48516 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:20,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:20,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 322 states and 326 transitions. [2021-11-13 23:07:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 326 transitions. [2021-11-13 23:07:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-13 23:07:20,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:20,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:20,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 314 conjunts are in the unsatisfiable core [2021-11-13 23:07:20,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 48829 backedges. 0 proven. 48828 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:23,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 323 states and 327 transitions. [2021-11-13 23:07:23,141 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 327 transitions. [2021-11-13 23:07:23,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-13 23:07:23,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:23,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:23,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 315 conjunts are in the unsatisfiable core [2021-11-13 23:07:23,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:24,808 INFO L134 CoverageAnalysis]: Checked inductivity of 49142 backedges. 0 proven. 49141 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:26,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:26,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 324 states and 328 transitions. [2021-11-13 23:07:26,201 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 328 transitions. [2021-11-13 23:07:26,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-13 23:07:26,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:26,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:26,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1316 conjuncts, 316 conjunts are in the unsatisfiable core [2021-11-13 23:07:26,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 49456 backedges. 0 proven. 49455 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:29,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 325 states and 329 transitions. [2021-11-13 23:07:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 329 transitions. [2021-11-13 23:07:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-13 23:07:29,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:29,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:29,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 317 conjunts are in the unsatisfiable core [2021-11-13 23:07:29,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 49771 backedges. 0 proven. 49770 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:32,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 326 states and 330 transitions. [2021-11-13 23:07:32,190 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 330 transitions. [2021-11-13 23:07:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-13 23:07:32,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:32,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:32,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1324 conjuncts, 318 conjunts are in the unsatisfiable core [2021-11-13 23:07:32,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:33,757 INFO L134 CoverageAnalysis]: Checked inductivity of 50087 backedges. 0 proven. 50086 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:35,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:35,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 327 states and 331 transitions. [2021-11-13 23:07:35,307 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 331 transitions. [2021-11-13 23:07:35,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-13 23:07:35,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:35,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:35,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-13 23:07:35,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:36,861 INFO L134 CoverageAnalysis]: Checked inductivity of 50404 backedges. 0 proven. 50403 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:38,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 328 states and 332 transitions. [2021-11-13 23:07:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 332 transitions. [2021-11-13 23:07:38,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-13 23:07:38,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:38,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:38,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 320 conjunts are in the unsatisfiable core [2021-11-13 23:07:38,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 50722 backedges. 0 proven. 50721 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:41,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 329 states and 333 transitions. [2021-11-13 23:07:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 333 transitions. [2021-11-13 23:07:41,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-13 23:07:41,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:41,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:41,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 321 conjunts are in the unsatisfiable core [2021-11-13 23:07:41,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 51041 backedges. 0 proven. 51040 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:44,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 330 states and 334 transitions. [2021-11-13 23:07:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 334 transitions. [2021-11-13 23:07:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-13 23:07:44,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:44,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:44,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1340 conjuncts, 322 conjunts are in the unsatisfiable core [2021-11-13 23:07:44,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 51361 backedges. 0 proven. 51360 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 331 states and 335 transitions. [2021-11-13 23:07:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 335 transitions. [2021-11-13 23:07:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-13 23:07:47,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:47,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:47,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 323 conjunts are in the unsatisfiable core [2021-11-13 23:07:47,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 51682 backedges. 0 proven. 51681 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:50,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 332 states and 336 transitions. [2021-11-13 23:07:50,731 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 336 transitions. [2021-11-13 23:07:50,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-13 23:07:50,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:50,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:51,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-13 23:07:51,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 52004 backedges. 0 proven. 52003 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 333 states and 337 transitions. [2021-11-13 23:07:53,834 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 337 transitions. [2021-11-13 23:07:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-13 23:07:53,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:53,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:54,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-13 23:07:54,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 52327 backedges. 0 proven. 52326 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:07:57,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:57,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 334 states and 338 transitions. [2021-11-13 23:07:57,067 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 338 transitions. [2021-11-13 23:07:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-13 23:07:57,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:57,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:57,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 326 conjunts are in the unsatisfiable core [2021-11-13 23:07:57,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:07:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 52651 backedges. 0 proven. 52650 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:00,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 335 states and 339 transitions. [2021-11-13 23:08:00,285 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 339 transitions. [2021-11-13 23:08:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-13 23:08:00,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:00,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:00,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 1360 conjuncts, 327 conjunts are in the unsatisfiable core [2021-11-13 23:08:00,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 52976 backedges. 0 proven. 52975 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:03,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 336 states and 340 transitions. [2021-11-13 23:08:03,340 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 340 transitions. [2021-11-13 23:08:03,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-13 23:08:03,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:03,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:03,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 328 conjunts are in the unsatisfiable core [2021-11-13 23:08:03,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 53302 backedges. 0 proven. 53301 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:06,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 337 states and 341 transitions. [2021-11-13 23:08:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 341 transitions. [2021-11-13 23:08:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-13 23:08:06,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:06,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:06,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 329 conjunts are in the unsatisfiable core [2021-11-13 23:08:06,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:08,207 INFO L134 CoverageAnalysis]: Checked inductivity of 53629 backedges. 0 proven. 53628 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:09,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 338 states and 342 transitions. [2021-11-13 23:08:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 342 transitions. [2021-11-13 23:08:09,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-13 23:08:09,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:09,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:10,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 330 conjunts are in the unsatisfiable core [2021-11-13 23:08:10,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 53957 backedges. 0 proven. 53956 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:12,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 339 states and 343 transitions. [2021-11-13 23:08:12,929 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 343 transitions. [2021-11-13 23:08:12,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-13 23:08:12,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:12,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:13,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 331 conjunts are in the unsatisfiable core [2021-11-13 23:08:13,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 54286 backedges. 0 proven. 54285 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:16,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 340 states and 344 transitions. [2021-11-13 23:08:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 344 transitions. [2021-11-13 23:08:16,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-13 23:08:16,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:16,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:16,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 332 conjunts are in the unsatisfiable core [2021-11-13 23:08:16,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 54616 backedges. 0 proven. 54615 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:19,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 341 states and 345 transitions. [2021-11-13 23:08:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 345 transitions. [2021-11-13 23:08:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-13 23:08:19,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:19,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:19,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 1384 conjuncts, 333 conjunts are in the unsatisfiable core [2021-11-13 23:08:19,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 54947 backedges. 0 proven. 54946 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:22,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:22,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 342 states and 346 transitions. [2021-11-13 23:08:22,622 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 346 transitions. [2021-11-13 23:08:22,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-13 23:08:22,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:22,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:22,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 334 conjunts are in the unsatisfiable core [2021-11-13 23:08:22,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 55279 backedges. 0 proven. 55278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:25,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 343 states and 347 transitions. [2021-11-13 23:08:25,757 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 347 transitions. [2021-11-13 23:08:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-13 23:08:25,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:25,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:26,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 335 conjunts are in the unsatisfiable core [2021-11-13 23:08:26,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:27,553 INFO L134 CoverageAnalysis]: Checked inductivity of 55612 backedges. 0 proven. 55611 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 344 states and 348 transitions. [2021-11-13 23:08:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 348 transitions. [2021-11-13 23:08:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-13 23:08:29,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:29,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:29,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 336 conjunts are in the unsatisfiable core [2021-11-13 23:08:29,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 55946 backedges. 0 proven. 55945 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:32,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:32,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 345 states and 349 transitions. [2021-11-13 23:08:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 349 transitions. [2021-11-13 23:08:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-13 23:08:32,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:32,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:32,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 337 conjunts are in the unsatisfiable core [2021-11-13 23:08:32,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 56281 backedges. 0 proven. 56280 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 346 states and 350 transitions. [2021-11-13 23:08:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 350 transitions. [2021-11-13 23:08:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-13 23:08:35,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:35,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:35,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 338 conjunts are in the unsatisfiable core [2021-11-13 23:08:35,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 56617 backedges. 0 proven. 56616 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:38,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 347 states and 351 transitions. [2021-11-13 23:08:38,723 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 351 transitions. [2021-11-13 23:08:38,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-13 23:08:38,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:38,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:39,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 1408 conjuncts, 339 conjunts are in the unsatisfiable core [2021-11-13 23:08:39,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 56954 backedges. 0 proven. 56953 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:41,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:41,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 348 states and 352 transitions. [2021-11-13 23:08:41,993 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 352 transitions. [2021-11-13 23:08:41,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-13 23:08:41,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:41,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:42,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 1412 conjuncts, 340 conjunts are in the unsatisfiable core [2021-11-13 23:08:42,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 57292 backedges. 0 proven. 57291 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 349 states and 353 transitions. [2021-11-13 23:08:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 353 transitions. [2021-11-13 23:08:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-13 23:08:45,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:45,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:45,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 341 conjunts are in the unsatisfiable core [2021-11-13 23:08:45,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 57631 backedges. 0 proven. 57630 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:48,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 350 states and 354 transitions. [2021-11-13 23:08:48,457 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 354 transitions. [2021-11-13 23:08:48,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-13 23:08:48,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:48,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:48,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1420 conjuncts, 342 conjunts are in the unsatisfiable core [2021-11-13 23:08:48,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:50,098 INFO L134 CoverageAnalysis]: Checked inductivity of 57971 backedges. 0 proven. 57970 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:51,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 351 states and 355 transitions. [2021-11-13 23:08:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 355 transitions. [2021-11-13 23:08:51,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-13 23:08:51,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:51,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:52,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 343 conjunts are in the unsatisfiable core [2021-11-13 23:08:52,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 58312 backedges. 0 proven. 58311 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 352 states and 356 transitions. [2021-11-13 23:08:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 356 transitions. [2021-11-13 23:08:54,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-13 23:08:54,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:54,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:55,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 344 conjunts are in the unsatisfiable core [2021-11-13 23:08:55,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:56,726 INFO L134 CoverageAnalysis]: Checked inductivity of 58654 backedges. 0 proven. 58653 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:08:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:58,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 353 states and 357 transitions. [2021-11-13 23:08:58,231 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 357 transitions. [2021-11-13 23:08:58,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-13 23:08:58,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:58,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:58,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 345 conjunts are in the unsatisfiable core [2021-11-13 23:08:58,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:08:59,888 INFO L134 CoverageAnalysis]: Checked inductivity of 58997 backedges. 0 proven. 58996 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 354 states and 358 transitions. [2021-11-13 23:09:01,544 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 358 transitions. [2021-11-13 23:09:01,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-13 23:09:01,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:01,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:01,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 346 conjunts are in the unsatisfiable core [2021-11-13 23:09:01,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 59341 backedges. 0 proven. 59340 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:04,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 355 states and 359 transitions. [2021-11-13 23:09:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 359 transitions. [2021-11-13 23:09:04,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-13 23:09:04,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:04,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:05,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 347 conjunts are in the unsatisfiable core [2021-11-13 23:09:05,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 59686 backedges. 0 proven. 59685 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 356 states and 360 transitions. [2021-11-13 23:09:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 360 transitions. [2021-11-13 23:09:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-13 23:09:08,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:08,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:08,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 1444 conjuncts, 348 conjunts are in the unsatisfiable core [2021-11-13 23:09:08,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 60032 backedges. 0 proven. 60031 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:12,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 357 states and 361 transitions. [2021-11-13 23:09:12,044 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 361 transitions. [2021-11-13 23:09:12,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-13 23:09:12,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:12,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:12,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 349 conjunts are in the unsatisfiable core [2021-11-13 23:09:12,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 60379 backedges. 0 proven. 60378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:15,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:15,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 358 states and 362 transitions. [2021-11-13 23:09:15,512 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 362 transitions. [2021-11-13 23:09:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-13 23:09:15,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:15,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:15,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 350 conjunts are in the unsatisfiable core [2021-11-13 23:09:15,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 60727 backedges. 0 proven. 60726 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:19,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 359 states and 363 transitions. [2021-11-13 23:09:19,079 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 363 transitions. [2021-11-13 23:09:19,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-13 23:09:19,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:19,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:19,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 1456 conjuncts, 351 conjunts are in the unsatisfiable core [2021-11-13 23:09:19,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:20,967 INFO L134 CoverageAnalysis]: Checked inductivity of 61076 backedges. 0 proven. 61075 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:22,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:22,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 360 states and 364 transitions. [2021-11-13 23:09:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 364 transitions. [2021-11-13 23:09:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-13 23:09:22,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:22,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:23,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1460 conjuncts, 352 conjunts are in the unsatisfiable core [2021-11-13 23:09:23,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:24,677 INFO L134 CoverageAnalysis]: Checked inductivity of 61426 backedges. 0 proven. 61425 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 361 states and 365 transitions. [2021-11-13 23:09:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 365 transitions. [2021-11-13 23:09:26,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-13 23:09:26,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:26,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:26,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 1464 conjuncts, 353 conjunts are in the unsatisfiable core [2021-11-13 23:09:26,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 61777 backedges. 0 proven. 61776 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:30,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 362 states and 366 transitions. [2021-11-13 23:09:30,207 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 366 transitions. [2021-11-13 23:09:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-13 23:09:30,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:30,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:30,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 1468 conjuncts, 354 conjunts are in the unsatisfiable core [2021-11-13 23:09:30,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 62129 backedges. 0 proven. 62128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 363 states and 367 transitions. [2021-11-13 23:09:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 367 transitions. [2021-11-13 23:09:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-13 23:09:33,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:33,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:34,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 355 conjunts are in the unsatisfiable core [2021-11-13 23:09:34,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:35,853 INFO L134 CoverageAnalysis]: Checked inductivity of 62482 backedges. 0 proven. 62481 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:37,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 364 states and 368 transitions. [2021-11-13 23:09:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 368 transitions. [2021-11-13 23:09:37,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-11-13 23:09:37,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:37,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:38,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 356 conjunts are in the unsatisfiable core [2021-11-13 23:09:38,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 62836 backedges. 0 proven. 62835 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 365 states and 369 transitions. [2021-11-13 23:09:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 369 transitions. [2021-11-13 23:09:41,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-13 23:09:41,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:41,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:41,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 357 conjunts are in the unsatisfiable core [2021-11-13 23:09:41,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:43,184 INFO L134 CoverageAnalysis]: Checked inductivity of 63191 backedges. 0 proven. 63190 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 366 states and 370 transitions. [2021-11-13 23:09:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 370 transitions. [2021-11-13 23:09:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-11-13 23:09:45,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:45,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:45,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 358 conjunts are in the unsatisfiable core [2021-11-13 23:09:45,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 63547 backedges. 0 proven. 63546 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:48,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 367 states and 371 transitions. [2021-11-13 23:09:48,705 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 371 transitions. [2021-11-13 23:09:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-11-13 23:09:48,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:48,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:49,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1488 conjuncts, 359 conjunts are in the unsatisfiable core [2021-11-13 23:09:49,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 63904 backedges. 0 proven. 63903 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 368 states and 372 transitions. [2021-11-13 23:09:52,522 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 372 transitions. [2021-11-13 23:09:52,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-13 23:09:52,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:52,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:52,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 360 conjunts are in the unsatisfiable core [2021-11-13 23:09:52,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 64262 backedges. 0 proven. 64261 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:09:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:09:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 369 states and 373 transitions. [2021-11-13 23:09:56,374 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 373 transitions. [2021-11-13 23:09:56,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-11-13 23:09:56,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:09:56,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:09:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:09:56,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 1496 conjuncts, 361 conjunts are in the unsatisfiable core [2021-11-13 23:09:56,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:09:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 64621 backedges. 0 proven. 64620 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:10:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 370 states and 374 transitions. [2021-11-13 23:10:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 374 transitions. [2021-11-13 23:10:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-11-13 23:10:00,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:00,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:00,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 362 conjunts are in the unsatisfiable core [2021-11-13 23:10:00,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:10:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 64981 backedges. 0 proven. 64980 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:10:03,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 371 states and 375 transitions. [2021-11-13 23:10:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 375 transitions. [2021-11-13 23:10:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-11-13 23:10:03,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:03,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:04,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 363 conjunts are in the unsatisfiable core [2021-11-13 23:10:04,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:10:05,776 INFO L134 CoverageAnalysis]: Checked inductivity of 65342 backedges. 0 proven. 65341 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:10:07,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 372 states and 376 transitions. [2021-11-13 23:10:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 376 transitions. [2021-11-13 23:10:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-13 23:10:07,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:07,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:07,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 1508 conjuncts, 364 conjunts are in the unsatisfiable core [2021-11-13 23:10:07,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:10:09,520 INFO L134 CoverageAnalysis]: Checked inductivity of 65704 backedges. 0 proven. 65703 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:10:11,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:11,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 373 states and 377 transitions. [2021-11-13 23:10:11,285 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 377 transitions. [2021-11-13 23:10:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-11-13 23:10:11,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:11,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:11,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1512 conjuncts, 365 conjunts are in the unsatisfiable core [2021-11-13 23:10:11,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:10:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 66067 backedges. 0 proven. 66066 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:10:15,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 374 states and 378 transitions. [2021-11-13 23:10:15,108 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 378 transitions. [2021-11-13 23:10:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-11-13 23:10:15,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:15,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:15,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 366 conjunts are in the unsatisfiable core [2021-11-13 23:10:15,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:10:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 66431 backedges. 0 proven. 66430 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:10:18,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 375 states and 379 transitions. [2021-11-13 23:10:18,868 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 379 transitions. [2021-11-13 23:10:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-11-13 23:10:18,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:18,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:19,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1520 conjuncts, 367 conjunts are in the unsatisfiable core [2021-11-13 23:10:19,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:10:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 66796 backedges. 0 proven. 66795 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:10:22,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:22,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 376 states and 380 transitions. [2021-11-13 23:10:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 380 transitions. [2021-11-13 23:10:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-13 23:10:22,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:22,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:23,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 368 conjunts are in the unsatisfiable core [2021-11-13 23:10:23,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:10:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 67162 backedges. 0 proven. 67161 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:10:26,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:26,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 377 states and 381 transitions. [2021-11-13 23:10:26,295 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 381 transitions. [2021-11-13 23:10:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-11-13 23:10:26,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:26,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:26,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 1528 conjuncts, 369 conjunts are in the unsatisfiable core [2021-11-13 23:10:26,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:10:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 67529 backedges. 0 proven. 67528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:10:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 378 states and 382 transitions. [2021-11-13 23:10:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 382 transitions. [2021-11-13 23:10:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-11-13 23:10:30,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:30,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:30,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 370 conjunts are in the unsatisfiable core [2021-11-13 23:10:30,553 INFO L286 TraceCheckSpWp]: Computing forward predicates...