./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_mul_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_mul_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN --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 09dc663f7f76eee13b6af61297831e3fbddcb16c16389bf8d94f2d27048733d0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:14:56,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:14:56,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:14:56,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:14:56,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:14:56,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:14:56,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:14:56,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:14:56,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:14:56,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:14:56,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:14:56,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:14:56,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:14:56,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:14:56,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:14:56,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:14:56,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:14:56,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:14:56,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:14:56,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:14:56,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:14:56,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:14:56,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:14:56,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:14:56,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:14:56,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:14:56,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:14:56,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:14:56,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:14:56,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:14:56,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:14:56,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:14:56,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:14:56,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:14:56,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:14:56,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:14:56,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:14:56,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:14:56,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:14:56,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:14:56,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:14:56,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 06:14:56,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:14:56,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:14:56,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:14:56,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:14:56,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:14:56,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:14:56,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:14:56,549 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:14:56,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:14:56,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:14:56,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:14:56,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:14:56,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:14:56,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:14:56,552 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:14:56,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:14:56,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:14:56,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:14:56,553 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:14:56,553 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:14:56,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:14:56,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:14:56,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:14:56,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:14:56,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:14:56,554 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:14:56,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:14:56,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:14:56,555 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_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09dc663f7f76eee13b6af61297831e3fbddcb16c16389bf8d94f2d27048733d0 [2021-11-21 06:14:56,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:14:56,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:14:56,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:14:56,897 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:14:56,898 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:14:56,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-industry-pattern/array_mul_init.i [2021-11-21 06:14:56,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/data/6583e072d/73b7f71bea1a4b5da319dbb43679b0e8/FLAG770037666 [2021-11-21 06:14:57,568 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:14:57,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/sv-benchmarks/c/array-industry-pattern/array_mul_init.i [2021-11-21 06:14:57,583 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/data/6583e072d/73b7f71bea1a4b5da319dbb43679b0e8/FLAG770037666 [2021-11-21 06:14:57,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/data/6583e072d/73b7f71bea1a4b5da319dbb43679b0e8 [2021-11-21 06:14:57,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:14:57,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:14:57,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:14:57,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:14:57,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:14:57,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:14:57" (1/1) ... [2021-11-21 06:14:57,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@400d9bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:57, skipping insertion in model container [2021-11-21 06:14:57,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:14:57" (1/1) ... [2021-11-21 06:14:57,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:14:57,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:14:58,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/sv-benchmarks/c/array-industry-pattern/array_mul_init.i[807,820] [2021-11-21 06:14:58,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:14:58,171 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:14:58,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/sv-benchmarks/c/array-industry-pattern/array_mul_init.i[807,820] [2021-11-21 06:14:58,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:14:58,207 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:14:58,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:58 WrapperNode [2021-11-21 06:14:58,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:14:58,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:14:58,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:14:58,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:14:58,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:58" (1/1) ... [2021-11-21 06:14:58,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:58" (1/1) ... [2021-11-21 06:14:58,244 INFO L137 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2021-11-21 06:14:58,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:14:58,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:14:58,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:14:58,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:14:58,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:58" (1/1) ... [2021-11-21 06:14:58,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:58" (1/1) ... [2021-11-21 06:14:58,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:58" (1/1) ... [2021-11-21 06:14:58,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:58" (1/1) ... [2021-11-21 06:14:58,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:58" (1/1) ... [2021-11-21 06:14:58,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:58" (1/1) ... [2021-11-21 06:14:58,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:58" (1/1) ... [2021-11-21 06:14:58,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:14:58,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:14:58,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:14:58,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:14:58,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:58" (1/1) ... [2021-11-21 06:14:58,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:14:58,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:14:58,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:14:58,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb8255b-c2c2-4d5c-b6e0-dcd0fe3b77ee/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:14:58,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:14:58,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:14:58,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:14:58,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:14:58,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:14:58,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:14:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:14:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:14:58,458 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:14:58,460 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:14:58,664 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:14:58,714 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:14:58,714 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 06:14:58,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:14:58 BoogieIcfgContainer [2021-11-21 06:14:58,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:14:58,718 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:14:58,718 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:14:58,729 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:14:58,729 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:14:58" (1/1) ... [2021-11-21 06:14:58,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:14:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-21 06:14:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-21 06:14:58,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:14:58,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:58,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:59,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-21 06:14:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-21 06:14:59,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:14:59,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:59,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-21 06:14:59,282 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-21 06:14:59,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:14:59,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:59,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:59,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 06:14:59,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:59,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:14:59,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:59,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-21 06:14:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-21 06:14:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:14:59,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:59,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:59,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 06:14:59,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:14:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:59,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-21 06:14:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-21 06:14:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:14:59,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:59,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:59,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:14:59,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:14:59,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2021-11-21 06:14:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2021-11-21 06:14:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:14:59,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:59,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:59,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 06:14:59,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:14:59,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-21 06:14:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-21 06:14:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:14:59,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:59,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:59,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:14:59,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2021-11-21 06:15:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2021-11-21 06:15:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 06:15:00,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:00,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:00,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 06:15:00,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:00,226 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-21 06:15:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-21 06:15:00,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 06:15:00,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:00,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:00,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 06:15:00,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:00,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-21 06:15:00,508 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-21 06:15:00,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:15:00,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:00,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:00,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 06:15:00,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:00,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:00,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-11-21 06:15:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-11-21 06:15:00,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:15:00,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:00,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:00,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 06:15:00,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2021-11-21 06:15:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-11-21 06:15:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:15:00,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:00,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:00,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 06:15:00,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:01,010 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-21 06:15:01,093 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-21 06:15:01,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:15:01,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:01,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:01,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-21 06:15:01,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:01,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-11-21 06:15:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-21 06:15:01,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:15:01,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:01,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:01,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-21 06:15:01,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:01,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2021-11-21 06:15:01,532 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-11-21 06:15:01,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 06:15:01,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:01,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:01,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 06:15:01,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:01,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2021-11-21 06:15:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-11-21 06:15:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:15:01,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:01,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:01,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 06:15:01,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2021-11-21 06:15:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2021-11-21 06:15:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:15:02,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:02,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:02,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-21 06:15:02,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2021-11-21 06:15:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-21 06:15:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:15:02,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:02,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:02,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 06:15:02,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:02,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2021-11-21 06:15:02,658 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-11-21 06:15:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:15:02,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:02,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:02,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 06:15:02,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:02,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-11-21 06:15:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-11-21 06:15:02,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:15:02,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:02,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:02,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 06:15:02,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:03,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:03,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2021-11-21 06:15:03,167 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-11-21 06:15:03,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:15:03,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:03,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:03,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-21 06:15:03,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2021-11-21 06:15:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2021-11-21 06:15:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:15:03,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:03,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:03,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 06:15:03,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:03,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2021-11-21 06:15:03,773 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-11-21 06:15:03,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:15:03,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:03,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:03,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 06:15:03,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:03,943 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2021-11-21 06:15:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2021-11-21 06:15:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:15:04,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:04,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:04,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 06:15:04,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:04,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2021-11-21 06:15:04,363 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2021-11-21 06:15:04,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:15:04,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:04,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:04,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-21 06:15:04,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:04,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:04,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2021-11-21 06:15:04,730 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2021-11-21 06:15:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:15:04,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:04,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:04,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-21 06:15:04,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:05,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:05,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 35 states and 40 transitions. [2021-11-21 06:15:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2021-11-21 06:15:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:15:05,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:05,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:05,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 06:15:05,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2021-11-21 06:15:05,443 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2021-11-21 06:15:05,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:15:05,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:05,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:05,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-21 06:15:05,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:05,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2021-11-21 06:15:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2021-11-21 06:15:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 06:15:05,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:05,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:05,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 06:15:05,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 38 states and 43 transitions. [2021-11-21 06:15:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2021-11-21 06:15:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:15:06,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:06,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:06,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 06:15:06,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:06,404 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2021-11-21 06:15:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2021-11-21 06:15:06,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:15:06,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:06,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:06,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 06:15:06,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:06,785 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:06,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2021-11-21 06:15:06,939 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2021-11-21 06:15:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:15:06,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:06,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:07,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 06:15:07,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 41 states and 46 transitions. [2021-11-21 06:15:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2021-11-21 06:15:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 06:15:07,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:07,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:07,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-21 06:15:07,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:07,621 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:07,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 42 states and 47 transitions. [2021-11-21 06:15:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2021-11-21 06:15:07,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:15:07,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:07,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:07,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 06:15:07,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:08,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:08,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2021-11-21 06:15:08,232 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2021-11-21 06:15:08,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:15:08,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:08,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:08,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 06:15:08,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:08,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2021-11-21 06:15:08,652 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2021-11-21 06:15:08,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:15:08,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:08,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:08,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 06:15:08,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:09,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2021-11-21 06:15:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-11-21 06:15:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:15:09,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:09,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:09,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-21 06:15:09,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:09,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2021-11-21 06:15:09,487 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2021-11-21 06:15:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:15:09,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:09,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:09,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-21 06:15:09,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:09,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 47 states and 52 transitions. [2021-11-21 06:15:09,967 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2021-11-21 06:15:09,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 06:15:09,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:09,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:10,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 06:15:10,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:10,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 48 states and 53 transitions. [2021-11-21 06:15:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2021-11-21 06:15:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:15:10,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:10,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:10,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-21 06:15:10,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:10,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2021-11-21 06:15:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2021-11-21 06:15:10,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:15:10,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:10,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:11,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-21 06:15:11,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:11,181 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 50 states and 55 transitions. [2021-11-21 06:15:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2021-11-21 06:15:11,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:15:11,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:11,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:11,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-21 06:15:11,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:11,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:11,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 51 states and 56 transitions. [2021-11-21 06:15:11,852 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2021-11-21 06:15:11,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:15:11,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:11,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:11,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-21 06:15:11,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2021-11-21 06:15:12,347 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2021-11-21 06:15:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:15:12,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:12,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:12,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-21 06:15:12,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:12,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2021-11-21 06:15:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2021-11-21 06:15:12,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:15:12,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:12,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:12,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-21 06:15:12,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 54 states and 59 transitions. [2021-11-21 06:15:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2021-11-21 06:15:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:15:13,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:13,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:13,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 06:15:13,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:13,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:13,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2021-11-21 06:15:13,896 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2021-11-21 06:15:13,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:15:13,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:13,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:13,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-21 06:15:13,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:14,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 56 states and 61 transitions. [2021-11-21 06:15:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2021-11-21 06:15:14,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:15:14,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:14,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:14,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-21 06:15:14,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:14,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:14,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:14,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 57 states and 62 transitions. [2021-11-21 06:15:14,932 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2021-11-21 06:15:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 06:15:14,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:14,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:15,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-21 06:15:15,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:15,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:15,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 58 states and 63 transitions. [2021-11-21 06:15:15,435 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2021-11-21 06:15:15,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:15:15,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:15,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:15,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-21 06:15:15,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:15,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 59 states and 64 transitions. [2021-11-21 06:15:15,931 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2021-11-21 06:15:15,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 06:15:15,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:15,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:16,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 06:15:16,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2021-11-21 06:15:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2021-11-21 06:15:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:15:16,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:16,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:16,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 06:15:16,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2021-11-21 06:15:16,922 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2021-11-21 06:15:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 06:15:16,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:16,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:16,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-21 06:15:16,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:17,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:17,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 62 states and 67 transitions. [2021-11-21 06:15:17,436 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2021-11-21 06:15:17,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 06:15:17,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:17,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:17,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 06:15:17,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:17,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:17,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 68 transitions. [2021-11-21 06:15:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2021-11-21 06:15:17,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 06:15:17,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:17,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:18,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-21 06:15:18,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:18,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2021-11-21 06:15:18,519 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2021-11-21 06:15:18,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 06:15:18,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:18,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:18,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 06:15:18,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:19,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 65 states and 70 transitions. [2021-11-21 06:15:19,044 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2021-11-21 06:15:19,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 06:15:19,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:19,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:19,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-21 06:15:19,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:19,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:19,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 66 states and 71 transitions. [2021-11-21 06:15:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2021-11-21 06:15:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 06:15:19,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:19,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:19,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-21 06:15:19,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:19,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:20,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2021-11-21 06:15:20,089 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2021-11-21 06:15:20,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 06:15:20,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:20,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:20,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-21 06:15:20,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:20,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:20,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 68 states and 73 transitions. [2021-11-21 06:15:20,619 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2021-11-21 06:15:20,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:15:20,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:20,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:20,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-21 06:15:20,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:21,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 69 states and 74 transitions. [2021-11-21 06:15:21,213 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2021-11-21 06:15:21,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 06:15:21,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:21,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:21,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-21 06:15:21,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:21,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:21,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:21,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 70 states and 75 transitions. [2021-11-21 06:15:21,852 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2021-11-21 06:15:21,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:15:21,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:21,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:21,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-21 06:15:21,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 71 states and 76 transitions. [2021-11-21 06:15:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions. [2021-11-21 06:15:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 06:15:22,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:22,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:22,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-21 06:15:22,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 72 states and 77 transitions. [2021-11-21 06:15:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2021-11-21 06:15:23,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 06:15:23,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:23,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:23,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-21 06:15:23,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:23,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 73 states and 78 transitions. [2021-11-21 06:15:23,601 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2021-11-21 06:15:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-21 06:15:23,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:23,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:23,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-21 06:15:23,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 74 states and 79 transitions. [2021-11-21 06:15:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2021-11-21 06:15:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 06:15:24,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:24,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:24,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-21 06:15:24,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:24,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 75 states and 80 transitions. [2021-11-21 06:15:24,908 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2021-11-21 06:15:24,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 06:15:24,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:24,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:24,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-21 06:15:24,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 76 states and 81 transitions. [2021-11-21 06:15:25,581 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2021-11-21 06:15:25,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-21 06:15:25,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:25,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:25,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-21 06:15:25,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:25,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 77 states and 82 transitions. [2021-11-21 06:15:26,207 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2021-11-21 06:15:26,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 06:15:26,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:26,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:26,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-21 06:15:26,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:26,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2279 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:26,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 78 states and 83 transitions. [2021-11-21 06:15:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2021-11-21 06:15:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 06:15:26,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:26,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:26,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-21 06:15:26,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:27,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2021-11-21 06:15:27,486 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2021-11-21 06:15:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 06:15:27,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:27,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:27,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-21 06:15:27,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 80 states and 85 transitions. [2021-11-21 06:15:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2021-11-21 06:15:28,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 06:15:28,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:28,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:28,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-21 06:15:28,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:28,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 81 states and 86 transitions. [2021-11-21 06:15:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2021-11-21 06:15:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-21 06:15:28,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:28,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:29,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-21 06:15:29,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2557 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:29,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 82 states and 87 transitions. [2021-11-21 06:15:29,633 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2021-11-21 06:15:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-21 06:15:29,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:29,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:29,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-21 06:15:29,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 83 states and 88 transitions. [2021-11-21 06:15:30,305 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2021-11-21 06:15:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 06:15:30,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:30,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:30,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-21 06:15:30,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 84 states and 89 transitions. [2021-11-21 06:15:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2021-11-21 06:15:31,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 06:15:31,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:31,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:31,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-21 06:15:31,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2776 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:31,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 85 states and 90 transitions. [2021-11-21 06:15:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2021-11-21 06:15:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 06:15:31,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:31,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:31,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-21 06:15:31,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:32,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2851 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:32,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 86 states and 91 transitions. [2021-11-21 06:15:32,506 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2021-11-21 06:15:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 06:15:32,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:32,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:32,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-21 06:15:32,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:32,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:33,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 87 states and 92 transitions. [2021-11-21 06:15:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2021-11-21 06:15:33,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 06:15:33,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:33,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:33,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-21 06:15:33,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3004 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:34,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 88 states and 93 transitions. [2021-11-21 06:15:34,011 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2021-11-21 06:15:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 06:15:34,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:34,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:34,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-21 06:15:34,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:34,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 89 states and 94 transitions. [2021-11-21 06:15:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2021-11-21 06:15:34,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-21 06:15:34,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:34,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:34,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-21 06:15:34,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3161 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 90 states and 95 transitions. [2021-11-21 06:15:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 95 transitions. [2021-11-21 06:15:35,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-21 06:15:35,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:35,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:35,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-21 06:15:35,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:35,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3241 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:36,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 91 states and 96 transitions. [2021-11-21 06:15:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2021-11-21 06:15:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 06:15:36,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:36,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:36,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-21 06:15:36,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3322 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:36,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 92 states and 97 transitions. [2021-11-21 06:15:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2021-11-21 06:15:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 06:15:36,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:36,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:36,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-21 06:15:36,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:37,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3404 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:37,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:37,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 93 states and 98 transitions. [2021-11-21 06:15:37,623 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2021-11-21 06:15:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 06:15:37,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:37,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:37,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-21 06:15:37,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3487 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 94 states and 99 transitions. [2021-11-21 06:15:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2021-11-21 06:15:38,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-21 06:15:38,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:38,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:38,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-21 06:15:38,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:38,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3571 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 95 states and 100 transitions. [2021-11-21 06:15:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2021-11-21 06:15:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 06:15:39,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:39,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:39,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-21 06:15:39,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:39,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3656 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:40,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:40,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 96 states and 101 transitions. [2021-11-21 06:15:40,036 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2021-11-21 06:15:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-21 06:15:40,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:40,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:40,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-21 06:15:40,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:40,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3742 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 97 states and 102 transitions. [2021-11-21 06:15:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2021-11-21 06:15:40,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 06:15:40,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:40,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:40,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-21 06:15:40,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3829 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:41,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 98 states and 103 transitions. [2021-11-21 06:15:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 103 transitions. [2021-11-21 06:15:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-21 06:15:41,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:41,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:41,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-21 06:15:41,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3917 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 99 states and 104 transitions. [2021-11-21 06:15:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2021-11-21 06:15:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 06:15:42,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:42,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:42,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-21 06:15:42,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:42,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4006 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:43,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 100 states and 105 transitions. [2021-11-21 06:15:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2021-11-21 06:15:43,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-21 06:15:43,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:43,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:43,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-21 06:15:43,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4096 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:44,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 101 states and 106 transitions. [2021-11-21 06:15:44,159 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2021-11-21 06:15:44,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 06:15:44,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:44,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:44,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-21 06:15:44,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4187 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:45,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 102 states and 107 transitions. [2021-11-21 06:15:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2021-11-21 06:15:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-21 06:15:45,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:45,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:45,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-21 06:15:45,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4279 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:45,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 103 states and 108 transitions. [2021-11-21 06:15:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2021-11-21 06:15:45,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 06:15:45,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:45,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:45,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-21 06:15:45,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4372 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:46,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 104 states and 109 transitions. [2021-11-21 06:15:46,697 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2021-11-21 06:15:46,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-21 06:15:46,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:46,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:46,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-21 06:15:46,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4466 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 105 states and 110 transitions. [2021-11-21 06:15:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 110 transitions. [2021-11-21 06:15:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-21 06:15:47,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:47,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:47,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-21 06:15:47,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4561 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:48,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 106 states and 111 transitions. [2021-11-21 06:15:48,411 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2021-11-21 06:15:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-21 06:15:48,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:48,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:48,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-21 06:15:48,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:48,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4657 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:49,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 107 states and 112 transitions. [2021-11-21 06:15:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2021-11-21 06:15:49,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 06:15:49,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:49,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:49,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-21 06:15:49,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4754 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 108 states and 113 transitions. [2021-11-21 06:15:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2021-11-21 06:15:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 06:15:50,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:50,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:50,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-21 06:15:50,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:50,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4852 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 109 states and 114 transitions. [2021-11-21 06:15:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 114 transitions. [2021-11-21 06:15:51,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-21 06:15:51,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:51,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:51,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-21 06:15:51,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:51,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4951 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 110 states and 115 transitions. [2021-11-21 06:15:51,889 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 115 transitions. [2021-11-21 06:15:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-21 06:15:51,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:51,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:52,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-21 06:15:52,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5051 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:52,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 111 states and 116 transitions. [2021-11-21 06:15:52,751 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 116 transitions. [2021-11-21 06:15:52,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-21 06:15:52,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:52,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:52,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-21 06:15:52,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 5152 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 112 states and 117 transitions. [2021-11-21 06:15:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 117 transitions. [2021-11-21 06:15:53,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 06:15:53,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:53,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:53,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-21 06:15:53,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5254 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:54,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 113 states and 118 transitions. [2021-11-21 06:15:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2021-11-21 06:15:54,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-21 06:15:54,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:54,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:54,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-21 06:15:54,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:55,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5357 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:55,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 114 states and 119 transitions. [2021-11-21 06:15:55,447 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2021-11-21 06:15:55,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-21 06:15:55,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:55,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:55,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-21 06:15:55,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:55,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 115 states and 120 transitions. [2021-11-21 06:15:56,285 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2021-11-21 06:15:56,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 06:15:56,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:56,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:56,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-21 06:15:56,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:56,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5566 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 116 states and 121 transitions. [2021-11-21 06:15:57,251 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 121 transitions. [2021-11-21 06:15:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-21 06:15:57,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:57,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:57,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-21 06:15:57,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5672 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:58,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 117 states and 122 transitions. [2021-11-21 06:15:58,262 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2021-11-21 06:15:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 06:15:58,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:58,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:58,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-21 06:15:58,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 5779 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:15:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:59,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 118 states and 123 transitions. [2021-11-21 06:15:59,159 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2021-11-21 06:15:59,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-21 06:15:59,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:15:59,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:15:59,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-21 06:15:59,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:15:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5887 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:00,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 119 states and 124 transitions. [2021-11-21 06:16:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2021-11-21 06:16:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 06:16:00,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:00,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:00,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-21 06:16:00,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 120 states and 125 transitions. [2021-11-21 06:16:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 125 transitions. [2021-11-21 06:16:01,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-21 06:16:01,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:01,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:01,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-21 06:16:01,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:01,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6106 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:02,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 121 states and 126 transitions. [2021-11-21 06:16:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 126 transitions. [2021-11-21 06:16:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-21 06:16:02,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:02,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:02,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-21 06:16:02,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6217 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:03,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 122 states and 127 transitions. [2021-11-21 06:16:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2021-11-21 06:16:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-21 06:16:03,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:03,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:03,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-21 06:16:03,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6329 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:04,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 123 states and 128 transitions. [2021-11-21 06:16:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2021-11-21 06:16:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 06:16:04,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:04,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:04,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-21 06:16:04,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:04,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6442 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 124 states and 129 transitions. [2021-11-21 06:16:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2021-11-21 06:16:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-21 06:16:04,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:04,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:05,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-21 06:16:05,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6556 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 125 states and 130 transitions. [2021-11-21 06:16:05,989 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2021-11-21 06:16:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-21 06:16:05,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:05,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:06,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-21 06:16:06,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:06,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6671 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 126 states and 131 transitions. [2021-11-21 06:16:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2021-11-21 06:16:07,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-21 06:16:07,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:07,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:07,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 118 conjunts are in the unsatisfiable core [2021-11-21 06:16:07,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 6787 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:08,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 127 states and 132 transitions. [2021-11-21 06:16:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2021-11-21 06:16:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 06:16:08,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:08,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:08,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-21 06:16:08,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6904 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 128 states and 133 transitions. [2021-11-21 06:16:08,949 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2021-11-21 06:16:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-21 06:16:08,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:08,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:09,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-21 06:16:09,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:09,536 INFO L134 CoverageAnalysis]: Checked inductivity of 7022 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 129 states and 134 transitions. [2021-11-21 06:16:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2021-11-21 06:16:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-21 06:16:09,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:09,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:10,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-21 06:16:10,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 7141 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:11,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:11,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2021-11-21 06:16:11,020 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2021-11-21 06:16:11,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-21 06:16:11,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:11,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:11,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 122 conjunts are in the unsatisfiable core [2021-11-21 06:16:11,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:11,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 131 states and 136 transitions. [2021-11-21 06:16:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2021-11-21 06:16:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-21 06:16:12,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:12,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:12,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-21 06:16:12,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 7382 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:13,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:13,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 132 states and 137 transitions. [2021-11-21 06:16:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2021-11-21 06:16:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-21 06:16:13,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:13,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:13,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-21 06:16:13,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 7504 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:14,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 133 states and 138 transitions. [2021-11-21 06:16:14,198 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2021-11-21 06:16:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 06:16:14,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:14,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:14,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-21 06:16:14,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7627 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:15,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 134 states and 139 transitions. [2021-11-21 06:16:15,175 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2021-11-21 06:16:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-21 06:16:15,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:15,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:15,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-21 06:16:15,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 135 states and 140 transitions. [2021-11-21 06:16:16,192 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2021-11-21 06:16:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-21 06:16:16,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:16,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:16,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-21 06:16:16,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 7876 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:17,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 136 states and 141 transitions. [2021-11-21 06:16:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 141 transitions. [2021-11-21 06:16:17,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-21 06:16:17,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:17,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:17,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-21 06:16:17,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 8002 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:18,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:18,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 137 states and 142 transitions. [2021-11-21 06:16:18,267 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 142 transitions. [2021-11-21 06:16:18,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-21 06:16:18,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:18,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:18,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-21 06:16:18,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 8129 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:19,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:19,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 138 states and 143 transitions. [2021-11-21 06:16:19,407 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2021-11-21 06:16:19,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-21 06:16:19,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:19,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:19,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-21 06:16:19,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 8257 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:20,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 139 states and 144 transitions. [2021-11-21 06:16:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2021-11-21 06:16:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-21 06:16:20,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:20,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:20,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-21 06:16:20,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8386 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2021-11-21 06:16:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2021-11-21 06:16:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-21 06:16:21,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:21,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:21,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-21 06:16:21,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 8516 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2021-11-21 06:16:22,599 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2021-11-21 06:16:22,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-21 06:16:22,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:22,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:22,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-21 06:16:22,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:23,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 142 states and 147 transitions. [2021-11-21 06:16:23,675 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 147 transitions. [2021-11-21 06:16:23,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-21 06:16:23,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:23,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:23,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-21 06:16:23,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 8779 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:24,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 143 states and 148 transitions. [2021-11-21 06:16:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 148 transitions. [2021-11-21 06:16:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-21 06:16:24,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:24,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:24,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-21 06:16:24,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 8912 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 144 states and 149 transitions. [2021-11-21 06:16:25,870 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 149 transitions. [2021-11-21 06:16:25,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-21 06:16:25,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:25,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:26,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-21 06:16:26,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 9046 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 145 states and 150 transitions. [2021-11-21 06:16:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions. [2021-11-21 06:16:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-21 06:16:26,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:26,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:27,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-21 06:16:27,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:27,635 INFO L134 CoverageAnalysis]: Checked inductivity of 9181 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:28,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 146 states and 151 transitions. [2021-11-21 06:16:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 151 transitions. [2021-11-21 06:16:28,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-21 06:16:28,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:28,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:28,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-21 06:16:28,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 9317 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 147 states and 152 transitions. [2021-11-21 06:16:29,314 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 152 transitions. [2021-11-21 06:16:29,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-21 06:16:29,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:29,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:29,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-21 06:16:29,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 9454 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:30,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 148 states and 153 transitions. [2021-11-21 06:16:30,417 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2021-11-21 06:16:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-21 06:16:30,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:30,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:30,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-21 06:16:30,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 9592 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:31,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:31,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 149 states and 154 transitions. [2021-11-21 06:16:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 154 transitions. [2021-11-21 06:16:31,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-21 06:16:31,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:31,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:31,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-21 06:16:31,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 9731 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:32,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:32,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 150 states and 155 transitions. [2021-11-21 06:16:32,711 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 155 transitions. [2021-11-21 06:16:32,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-21 06:16:32,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:32,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:32,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 142 conjunts are in the unsatisfiable core [2021-11-21 06:16:32,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 9871 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:33,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 151 states and 156 transitions. [2021-11-21 06:16:33,835 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 156 transitions. [2021-11-21 06:16:33,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-21 06:16:33,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:33,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:33,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-21 06:16:33,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 10012 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:34,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:34,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 152 states and 157 transitions. [2021-11-21 06:16:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 157 transitions. [2021-11-21 06:16:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-21 06:16:34,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:34,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:35,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-21 06:16:35,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 10154 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:36,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 153 states and 158 transitions. [2021-11-21 06:16:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 158 transitions. [2021-11-21 06:16:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-21 06:16:36,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:36,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:36,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-21 06:16:36,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10297 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 154 states and 159 transitions. [2021-11-21 06:16:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2021-11-21 06:16:37,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-21 06:16:37,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:37,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:37,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-21 06:16:37,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:37,969 INFO L134 CoverageAnalysis]: Checked inductivity of 10441 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:38,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:38,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 155 states and 160 transitions. [2021-11-21 06:16:38,503 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 160 transitions. [2021-11-21 06:16:38,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-21 06:16:38,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:38,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:38,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-21 06:16:38,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:39,141 INFO L134 CoverageAnalysis]: Checked inductivity of 10586 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 156 states and 161 transitions. [2021-11-21 06:16:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2021-11-21 06:16:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-21 06:16:39,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:39,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:39,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-21 06:16:39,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 10732 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:40,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 157 states and 162 transitions. [2021-11-21 06:16:40,856 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2021-11-21 06:16:40,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-21 06:16:40,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:40,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:41,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-21 06:16:41,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10879 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:42,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 158 states and 163 transitions. [2021-11-21 06:16:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 163 transitions. [2021-11-21 06:16:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-21 06:16:42,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:42,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:42,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-21 06:16:42,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 11027 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:43,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:43,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 159 states and 164 transitions. [2021-11-21 06:16:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 164 transitions. [2021-11-21 06:16:43,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-21 06:16:43,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:43,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:43,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-21 06:16:43,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 11176 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:44,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 160 states and 165 transitions. [2021-11-21 06:16:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2021-11-21 06:16:44,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-21 06:16:44,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:44,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:44,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-21 06:16:44,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:45,274 INFO L134 CoverageAnalysis]: Checked inductivity of 11326 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 161 states and 166 transitions. [2021-11-21 06:16:45,971 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 166 transitions. [2021-11-21 06:16:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-21 06:16:45,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:45,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:46,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-21 06:16:46,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:46,706 INFO L134 CoverageAnalysis]: Checked inductivity of 11477 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 162 states and 167 transitions. [2021-11-21 06:16:47,319 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 167 transitions. [2021-11-21 06:16:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-21 06:16:47,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:47,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:47,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 154 conjunts are in the unsatisfiable core [2021-11-21 06:16:47,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 11629 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 163 states and 168 transitions. [2021-11-21 06:16:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 168 transitions. [2021-11-21 06:16:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-21 06:16:48,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:48,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:48,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-21 06:16:48,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:49,295 INFO L134 CoverageAnalysis]: Checked inductivity of 11782 backedges. 0 proven. 11781 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:49,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 164 states and 169 transitions. [2021-11-21 06:16:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 169 transitions. [2021-11-21 06:16:49,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-21 06:16:49,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:49,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:50,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-21 06:16:50,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:50,611 INFO L134 CoverageAnalysis]: Checked inductivity of 11936 backedges. 0 proven. 11935 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:51,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 165 states and 170 transitions. [2021-11-21 06:16:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 170 transitions. [2021-11-21 06:16:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-21 06:16:51,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:51,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:51,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-21 06:16:51,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12091 backedges. 0 proven. 12090 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:52,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 166 states and 171 transitions. [2021-11-21 06:16:52,572 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 171 transitions. [2021-11-21 06:16:52,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-21 06:16:52,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:52,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:52,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 158 conjunts are in the unsatisfiable core [2021-11-21 06:16:52,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 12247 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:53,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 167 states and 172 transitions. [2021-11-21 06:16:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 172 transitions. [2021-11-21 06:16:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-21 06:16:53,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:53,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:54,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-21 06:16:54,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12404 backedges. 0 proven. 12403 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 168 states and 173 transitions. [2021-11-21 06:16:55,210 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 173 transitions. [2021-11-21 06:16:55,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-21 06:16:55,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:55,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:55,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-21 06:16:55,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:55,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12562 backedges. 0 proven. 12561 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:56,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 169 states and 174 transitions. [2021-11-21 06:16:56,591 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 174 transitions. [2021-11-21 06:16:56,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-21 06:16:56,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:56,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:56,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-21 06:16:56,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:57,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 0 proven. 12720 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:57,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 170 states and 175 transitions. [2021-11-21 06:16:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 175 transitions. [2021-11-21 06:16:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-21 06:16:57,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:57,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:58,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 162 conjunts are in the unsatisfiable core [2021-11-21 06:16:58,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:58,617 INFO L134 CoverageAnalysis]: Checked inductivity of 12881 backedges. 0 proven. 12880 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:16:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:59,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 171 states and 176 transitions. [2021-11-21 06:16:59,217 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 176 transitions. [2021-11-21 06:16:59,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-21 06:16:59,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:59,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:59,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-21 06:16:59,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:16:59,933 INFO L134 CoverageAnalysis]: Checked inductivity of 13042 backedges. 0 proven. 13041 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:00,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:00,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 172 states and 177 transitions. [2021-11-21 06:17:00,550 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2021-11-21 06:17:00,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-21 06:17:00,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:00,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:00,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-21 06:17:00,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 13204 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:01,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:01,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 173 states and 178 transitions. [2021-11-21 06:17:01,910 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 178 transitions. [2021-11-21 06:17:01,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-21 06:17:01,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:01,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:02,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-21 06:17:02,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 13367 backedges. 0 proven. 13366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:03,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 174 states and 179 transitions. [2021-11-21 06:17:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 179 transitions. [2021-11-21 06:17:03,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-21 06:17:03,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:03,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:03,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-21 06:17:03,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 13531 backedges. 0 proven. 13530 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:04,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 175 states and 180 transitions. [2021-11-21 06:17:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 180 transitions. [2021-11-21 06:17:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-21 06:17:04,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:04,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:04,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-21 06:17:04,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 13696 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 176 states and 181 transitions. [2021-11-21 06:17:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 181 transitions. [2021-11-21 06:17:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-21 06:17:06,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:06,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:06,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-21 06:17:06,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:06,824 INFO L134 CoverageAnalysis]: Checked inductivity of 13862 backedges. 0 proven. 13861 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:07,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 177 states and 182 transitions. [2021-11-21 06:17:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 182 transitions. [2021-11-21 06:17:07,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-21 06:17:07,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:07,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:07,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-21 06:17:07,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 14029 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 178 states and 183 transitions. [2021-11-21 06:17:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 183 transitions. [2021-11-21 06:17:09,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-21 06:17:09,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:09,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:09,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-21 06:17:09,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 14197 backedges. 0 proven. 14196 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:10,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 179 states and 184 transitions. [2021-11-21 06:17:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 184 transitions. [2021-11-21 06:17:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-21 06:17:10,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:10,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:10,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-21 06:17:10,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 14366 backedges. 0 proven. 14365 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:11,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:11,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 180 states and 185 transitions. [2021-11-21 06:17:11,828 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 185 transitions. [2021-11-21 06:17:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-21 06:17:11,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:11,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:11,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-21 06:17:11,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 14536 backedges. 0 proven. 14535 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:13,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 181 states and 186 transitions. [2021-11-21 06:17:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 186 transitions. [2021-11-21 06:17:13,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-21 06:17:13,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:13,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:13,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-21 06:17:13,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:14,130 INFO L134 CoverageAnalysis]: Checked inductivity of 14707 backedges. 0 proven. 14706 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 182 states and 187 transitions. [2021-11-21 06:17:14,782 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 187 transitions. [2021-11-21 06:17:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-21 06:17:14,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:14,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:14,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 174 conjunts are in the unsatisfiable core [2021-11-21 06:17:14,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14879 backedges. 0 proven. 14878 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:16,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 183 states and 188 transitions. [2021-11-21 06:17:16,194 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 188 transitions. [2021-11-21 06:17:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-21 06:17:16,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:16,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:16,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-21 06:17:16,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:17,020 INFO L134 CoverageAnalysis]: Checked inductivity of 15052 backedges. 0 proven. 15051 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:17,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 184 states and 189 transitions. [2021-11-21 06:17:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 189 transitions. [2021-11-21 06:17:17,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-21 06:17:17,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:17,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:17,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-21 06:17:17,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 15226 backedges. 0 proven. 15225 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 185 states and 190 transitions. [2021-11-21 06:17:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 190 transitions. [2021-11-21 06:17:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-21 06:17:19,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:19,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:19,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-21 06:17:19,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 15401 backedges. 0 proven. 15400 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:20,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 186 states and 191 transitions. [2021-11-21 06:17:20,749 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 191 transitions. [2021-11-21 06:17:20,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-21 06:17:20,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:20,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:20,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 178 conjunts are in the unsatisfiable core [2021-11-21 06:17:20,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 15577 backedges. 0 proven. 15576 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 187 states and 192 transitions. [2021-11-21 06:17:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 192 transitions. [2021-11-21 06:17:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-21 06:17:22,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:22,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:22,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-21 06:17:22,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 15754 backedges. 0 proven. 15753 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 188 states and 193 transitions. [2021-11-21 06:17:23,668 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 193 transitions. [2021-11-21 06:17:23,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 06:17:23,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:23,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:23,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-21 06:17:23,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:24,478 INFO L134 CoverageAnalysis]: Checked inductivity of 15932 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:25,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:25,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 189 states and 194 transitions. [2021-11-21 06:17:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 194 transitions. [2021-11-21 06:17:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-21 06:17:25,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:25,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:25,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-21 06:17:25,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 16111 backedges. 0 proven. 16110 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 190 states and 195 transitions. [2021-11-21 06:17:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 195 transitions. [2021-11-21 06:17:26,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-21 06:17:26,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:26,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:26,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-21 06:17:26,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 16291 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:28,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 191 states and 196 transitions. [2021-11-21 06:17:28,238 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 196 transitions. [2021-11-21 06:17:28,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-21 06:17:28,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:28,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:28,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-21 06:17:28,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:29,044 INFO L134 CoverageAnalysis]: Checked inductivity of 16472 backedges. 0 proven. 16471 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:29,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 192 states and 197 transitions. [2021-11-21 06:17:29,735 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 197 transitions. [2021-11-21 06:17:29,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-21 06:17:29,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:29,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:29,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-21 06:17:29,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 16654 backedges. 0 proven. 16653 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:31,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:31,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 193 states and 198 transitions. [2021-11-21 06:17:31,244 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 198 transitions. [2021-11-21 06:17:31,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-21 06:17:31,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:31,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:31,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-21 06:17:31,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:32,075 INFO L134 CoverageAnalysis]: Checked inductivity of 16837 backedges. 0 proven. 16836 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 194 states and 199 transitions. [2021-11-21 06:17:32,785 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 199 transitions. [2021-11-21 06:17:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-21 06:17:32,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:32,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:32,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 186 conjunts are in the unsatisfiable core [2021-11-21 06:17:32,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 17021 backedges. 0 proven. 17020 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:34,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 195 states and 200 transitions. [2021-11-21 06:17:34,506 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 200 transitions. [2021-11-21 06:17:34,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-21 06:17:34,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:34,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:34,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-21 06:17:34,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 17206 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 196 states and 201 transitions. [2021-11-21 06:17:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 201 transitions. [2021-11-21 06:17:36,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-21 06:17:36,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:36,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:36,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-21 06:17:36,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 17392 backedges. 0 proven. 17391 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:37,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 197 states and 202 transitions. [2021-11-21 06:17:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 202 transitions. [2021-11-21 06:17:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-21 06:17:37,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:37,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:37,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-21 06:17:37,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 17579 backedges. 0 proven. 17578 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:39,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 198 states and 203 transitions. [2021-11-21 06:17:39,317 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 203 transitions. [2021-11-21 06:17:39,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-21 06:17:39,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:39,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:39,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 190 conjunts are in the unsatisfiable core [2021-11-21 06:17:39,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:40,183 INFO L134 CoverageAnalysis]: Checked inductivity of 17767 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:40,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 199 states and 204 transitions. [2021-11-21 06:17:40,921 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 204 transitions. [2021-11-21 06:17:40,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-21 06:17:40,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:40,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:41,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-21 06:17:41,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17956 backedges. 0 proven. 17955 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:42,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 200 states and 205 transitions. [2021-11-21 06:17:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 205 transitions. [2021-11-21 06:17:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-21 06:17:42,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:42,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:42,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-21 06:17:42,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:43,539 INFO L134 CoverageAnalysis]: Checked inductivity of 18146 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 201 states and 206 transitions. [2021-11-21 06:17:44,287 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 206 transitions. [2021-11-21 06:17:44,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-21 06:17:44,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:44,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:44,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-21 06:17:44,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 18337 backedges. 0 proven. 18336 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:45,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 202 states and 207 transitions. [2021-11-21 06:17:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 207 transitions. [2021-11-21 06:17:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-21 06:17:45,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:45,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:46,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 194 conjunts are in the unsatisfiable core [2021-11-21 06:17:46,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 18529 backedges. 0 proven. 18528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:47,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 203 states and 208 transitions. [2021-11-21 06:17:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 208 transitions. [2021-11-21 06:17:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-21 06:17:47,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:47,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:47,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-21 06:17:47,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 18722 backedges. 0 proven. 18721 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 204 states and 209 transitions. [2021-11-21 06:17:49,246 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 209 transitions. [2021-11-21 06:17:49,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-21 06:17:49,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:49,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:49,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-21 06:17:49,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 18916 backedges. 0 proven. 18915 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 205 states and 210 transitions. [2021-11-21 06:17:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 210 transitions. [2021-11-21 06:17:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-21 06:17:50,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:50,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:51,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-21 06:17:51,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 19111 backedges. 0 proven. 19110 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:52,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 206 states and 211 transitions. [2021-11-21 06:17:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 211 transitions. [2021-11-21 06:17:52,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-21 06:17:52,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:52,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:52,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 198 conjunts are in the unsatisfiable core [2021-11-21 06:17:52,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 19307 backedges. 0 proven. 19306 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 207 states and 212 transitions. [2021-11-21 06:17:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 212 transitions. [2021-11-21 06:17:54,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-21 06:17:54,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:54,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:54,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-21 06:17:54,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 19504 backedges. 0 proven. 19503 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:55,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 208 states and 213 transitions. [2021-11-21 06:17:55,943 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 213 transitions. [2021-11-21 06:17:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-21 06:17:55,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:55,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:56,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-21 06:17:56,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:56,863 INFO L134 CoverageAnalysis]: Checked inductivity of 19702 backedges. 0 proven. 19701 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:57,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 209 states and 214 transitions. [2021-11-21 06:17:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 214 transitions. [2021-11-21 06:17:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-21 06:17:57,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:57,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:57,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-21 06:17:57,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:17:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 19901 backedges. 0 proven. 19900 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:17:59,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:17:59,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 210 states and 215 transitions. [2021-11-21 06:17:59,389 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 215 transitions. [2021-11-21 06:17:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-21 06:17:59,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:17:59,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:17:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:17:59,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 202 conjunts are in the unsatisfiable core [2021-11-21 06:17:59,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 20101 backedges. 0 proven. 20100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 211 states and 216 transitions. [2021-11-21 06:18:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 216 transitions. [2021-11-21 06:18:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-21 06:18:01,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:01,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:01,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-21 06:18:01,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 20302 backedges. 0 proven. 20301 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 212 states and 217 transitions. [2021-11-21 06:18:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 217 transitions. [2021-11-21 06:18:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-21 06:18:02,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:02,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:02,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-21 06:18:02,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 20504 backedges. 0 proven. 20503 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 213 states and 218 transitions. [2021-11-21 06:18:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 218 transitions. [2021-11-21 06:18:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-21 06:18:04,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:04,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:04,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-21 06:18:04,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20707 backedges. 0 proven. 20706 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 214 states and 219 transitions. [2021-11-21 06:18:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 219 transitions. [2021-11-21 06:18:06,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-21 06:18:06,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:06,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:06,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-21 06:18:06,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 20911 backedges. 0 proven. 20910 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:08,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:08,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 215 states and 220 transitions. [2021-11-21 06:18:08,160 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 220 transitions. [2021-11-21 06:18:08,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-21 06:18:08,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:08,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:08,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-21 06:18:08,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 21116 backedges. 0 proven. 21115 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 216 states and 221 transitions. [2021-11-21 06:18:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 221 transitions. [2021-11-21 06:18:09,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-21 06:18:09,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:09,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:10,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-21 06:18:10,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 21322 backedges. 0 proven. 21321 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 217 states and 222 transitions. [2021-11-21 06:18:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 222 transitions. [2021-11-21 06:18:11,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-21 06:18:11,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:11,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:11,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-21 06:18:11,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 21529 backedges. 0 proven. 21528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:13,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 218 states and 223 transitions. [2021-11-21 06:18:13,494 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 223 transitions. [2021-11-21 06:18:13,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-21 06:18:13,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:13,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:13,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-21 06:18:13,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:14,533 INFO L134 CoverageAnalysis]: Checked inductivity of 21737 backedges. 0 proven. 21736 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 219 states and 224 transitions. [2021-11-21 06:18:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 224 transitions. [2021-11-21 06:18:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-21 06:18:15,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:15,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:15,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-21 06:18:15,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:16,286 INFO L134 CoverageAnalysis]: Checked inductivity of 21946 backedges. 0 proven. 21945 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:17,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:17,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 220 states and 225 transitions. [2021-11-21 06:18:17,113 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 225 transitions. [2021-11-21 06:18:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-21 06:18:17,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:17,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:17,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-21 06:18:17,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 22156 backedges. 0 proven. 22155 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:18,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 221 states and 226 transitions. [2021-11-21 06:18:18,890 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 226 transitions. [2021-11-21 06:18:18,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-21 06:18:18,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:18,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:19,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-21 06:18:19,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:19,862 INFO L134 CoverageAnalysis]: Checked inductivity of 22367 backedges. 0 proven. 22366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:20,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:20,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 222 states and 227 transitions. [2021-11-21 06:18:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 227 transitions. [2021-11-21 06:18:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-21 06:18:20,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:20,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:20,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 214 conjunts are in the unsatisfiable core [2021-11-21 06:18:20,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:21,698 INFO L134 CoverageAnalysis]: Checked inductivity of 22579 backedges. 0 proven. 22578 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 223 states and 228 transitions. [2021-11-21 06:18:22,526 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 228 transitions. [2021-11-21 06:18:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-21 06:18:22,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:22,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:22,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-21 06:18:22,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 22792 backedges. 0 proven. 22791 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:24,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 224 states and 229 transitions. [2021-11-21 06:18:24,441 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 229 transitions. [2021-11-21 06:18:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-21 06:18:24,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:24,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:24,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-21 06:18:24,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 23006 backedges. 0 proven. 23005 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 225 states and 230 transitions. [2021-11-21 06:18:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 230 transitions. [2021-11-21 06:18:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-21 06:18:26,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:26,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:26,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-21 06:18:26,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 23221 backedges. 0 proven. 23220 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:28,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 226 states and 231 transitions. [2021-11-21 06:18:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 231 transitions. [2021-11-21 06:18:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-21 06:18:28,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:28,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:28,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 218 conjunts are in the unsatisfiable core [2021-11-21 06:18:28,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 23437 backedges. 0 proven. 23436 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 227 states and 232 transitions. [2021-11-21 06:18:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 232 transitions. [2021-11-21 06:18:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-21 06:18:29,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:29,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:30,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-21 06:18:30,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:30,930 INFO L134 CoverageAnalysis]: Checked inductivity of 23654 backedges. 0 proven. 23653 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:31,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 228 states and 233 transitions. [2021-11-21 06:18:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 233 transitions. [2021-11-21 06:18:31,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-21 06:18:31,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:31,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:32,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-21 06:18:32,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 23872 backedges. 0 proven. 23871 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 229 states and 234 transitions. [2021-11-21 06:18:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 234 transitions. [2021-11-21 06:18:33,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-21 06:18:33,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:33,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:33,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-21 06:18:33,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 24091 backedges. 0 proven. 24090 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 230 states and 235 transitions. [2021-11-21 06:18:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 235 transitions. [2021-11-21 06:18:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-21 06:18:35,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:35,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:35,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-21 06:18:35,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 24311 backedges. 0 proven. 24310 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:37,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:37,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 231 states and 236 transitions. [2021-11-21 06:18:37,515 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 236 transitions. [2021-11-21 06:18:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-21 06:18:37,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:37,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:37,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-21 06:18:37,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 24532 backedges. 0 proven. 24531 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 232 states and 237 transitions. [2021-11-21 06:18:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 237 transitions. [2021-11-21 06:18:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-21 06:18:39,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:39,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:39,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-21 06:18:39,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 24754 backedges. 0 proven. 24753 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 233 states and 238 transitions. [2021-11-21 06:18:41,483 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 238 transitions. [2021-11-21 06:18:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-21 06:18:41,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:41,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:41,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-21 06:18:41,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 24977 backedges. 0 proven. 24976 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 234 states and 239 transitions. [2021-11-21 06:18:43,350 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 239 transitions. [2021-11-21 06:18:43,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-21 06:18:43,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:43,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:43,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 226 conjunts are in the unsatisfiable core [2021-11-21 06:18:43,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 25201 backedges. 0 proven. 25200 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:45,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:45,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 235 states and 240 transitions. [2021-11-21 06:18:45,351 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 240 transitions. [2021-11-21 06:18:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-21 06:18:45,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:45,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:45,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-21 06:18:45,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 25426 backedges. 0 proven. 25425 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 236 states and 241 transitions. [2021-11-21 06:18:47,295 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 241 transitions. [2021-11-21 06:18:47,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-21 06:18:47,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:47,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:47,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-21 06:18:47,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 25652 backedges. 0 proven. 25651 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 237 states and 242 transitions. [2021-11-21 06:18:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 242 transitions. [2021-11-21 06:18:49,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-21 06:18:49,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:49,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:49,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-21 06:18:49,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 25879 backedges. 0 proven. 25878 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:51,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 238 states and 243 transitions. [2021-11-21 06:18:51,433 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 243 transitions. [2021-11-21 06:18:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-21 06:18:51,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:51,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:51,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-21 06:18:51,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 26107 backedges. 0 proven. 26106 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 239 states and 244 transitions. [2021-11-21 06:18:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 244 transitions. [2021-11-21 06:18:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-21 06:18:53,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:53,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:53,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-21 06:18:53,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:54,396 INFO L134 CoverageAnalysis]: Checked inductivity of 26336 backedges. 0 proven. 26335 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:55,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 240 states and 245 transitions. [2021-11-21 06:18:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 245 transitions. [2021-11-21 06:18:55,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-21 06:18:55,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:55,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:55,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-21 06:18:55,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:56,428 INFO L134 CoverageAnalysis]: Checked inductivity of 26566 backedges. 0 proven. 26565 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:57,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 241 states and 246 transitions. [2021-11-21 06:18:57,406 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 246 transitions. [2021-11-21 06:18:57,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-21 06:18:57,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:57,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:57,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-21 06:18:57,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:18:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 26797 backedges. 0 proven. 26796 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:18:59,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:18:59,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 242 states and 247 transitions. [2021-11-21 06:18:59,425 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 247 transitions. [2021-11-21 06:18:59,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-21 06:18:59,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:18:59,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:18:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:18:59,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-21 06:18:59,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 27029 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:01,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 243 states and 248 transitions. [2021-11-21 06:19:01,608 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 248 transitions. [2021-11-21 06:19:01,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-21 06:19:01,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:01,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:01,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-21 06:19:01,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:02,671 INFO L134 CoverageAnalysis]: Checked inductivity of 27262 backedges. 0 proven. 27261 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:03,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 244 states and 249 transitions. [2021-11-21 06:19:03,596 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 249 transitions. [2021-11-21 06:19:03,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-21 06:19:03,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:03,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:03,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-21 06:19:03,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 27496 backedges. 0 proven. 27495 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 245 states and 250 transitions. [2021-11-21 06:19:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 250 transitions. [2021-11-21 06:19:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-21 06:19:05,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:05,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:05,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-21 06:19:05,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 27731 backedges. 0 proven. 27730 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:07,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 246 states and 251 transitions. [2021-11-21 06:19:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 251 transitions. [2021-11-21 06:19:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-21 06:19:07,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:07,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:07,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 238 conjunts are in the unsatisfiable core [2021-11-21 06:19:07,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 27967 backedges. 0 proven. 27966 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:09,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 247 states and 252 transitions. [2021-11-21 06:19:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 252 transitions. [2021-11-21 06:19:09,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-21 06:19:09,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:09,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:10,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-21 06:19:10,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 28204 backedges. 0 proven. 28203 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:11,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 248 states and 253 transitions. [2021-11-21 06:19:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 253 transitions. [2021-11-21 06:19:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-21 06:19:11,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:11,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:12,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-21 06:19:12,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 28442 backedges. 0 proven. 28441 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:14,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 249 states and 254 transitions. [2021-11-21 06:19:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 254 transitions. [2021-11-21 06:19:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-21 06:19:14,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:14,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:14,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-21 06:19:14,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 28681 backedges. 0 proven. 28680 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 250 states and 255 transitions. [2021-11-21 06:19:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 255 transitions. [2021-11-21 06:19:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-21 06:19:16,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:16,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:16,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 242 conjunts are in the unsatisfiable core [2021-11-21 06:19:16,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 28921 backedges. 0 proven. 28920 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:18,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 251 states and 256 transitions. [2021-11-21 06:19:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 256 transitions. [2021-11-21 06:19:18,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-21 06:19:18,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:18,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:18,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-21 06:19:18,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:19,585 INFO L134 CoverageAnalysis]: Checked inductivity of 29162 backedges. 0 proven. 29161 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:20,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 252 states and 257 transitions. [2021-11-21 06:19:20,565 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 257 transitions. [2021-11-21 06:19:20,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-21 06:19:20,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:20,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:20,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-21 06:19:20,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:21,668 INFO L134 CoverageAnalysis]: Checked inductivity of 29404 backedges. 0 proven. 29403 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:22,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:22,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 253 states and 258 transitions. [2021-11-21 06:19:22,637 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 258 transitions. [2021-11-21 06:19:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-21 06:19:22,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:22,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:22,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-21 06:19:22,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:23,757 INFO L134 CoverageAnalysis]: Checked inductivity of 29647 backedges. 0 proven. 29646 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:24,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:24,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 254 states and 259 transitions. [2021-11-21 06:19:24,731 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 259 transitions. [2021-11-21 06:19:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-21 06:19:24,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:24,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:24,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 246 conjunts are in the unsatisfiable core [2021-11-21 06:19:24,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 29891 backedges. 0 proven. 29890 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:26,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 255 states and 260 transitions. [2021-11-21 06:19:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 260 transitions. [2021-11-21 06:19:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-21 06:19:26,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:26,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:27,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-21 06:19:27,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:28,036 INFO L134 CoverageAnalysis]: Checked inductivity of 30136 backedges. 0 proven. 30135 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:29,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 256 states and 261 transitions. [2021-11-21 06:19:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 261 transitions. [2021-11-21 06:19:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-21 06:19:29,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:29,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:29,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-21 06:19:29,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 30382 backedges. 0 proven. 30381 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:31,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 257 states and 262 transitions. [2021-11-21 06:19:31,366 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 262 transitions. [2021-11-21 06:19:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-21 06:19:31,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:31,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:31,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-21 06:19:31,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 30629 backedges. 0 proven. 30628 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:33,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:33,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 258 states and 263 transitions. [2021-11-21 06:19:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 263 transitions. [2021-11-21 06:19:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-21 06:19:33,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:33,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:33,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 250 conjunts are in the unsatisfiable core [2021-11-21 06:19:33,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 30877 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:35,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 259 states and 264 transitions. [2021-11-21 06:19:35,695 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 264 transitions. [2021-11-21 06:19:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-21 06:19:35,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:35,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:35,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-21 06:19:35,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:36,903 INFO L134 CoverageAnalysis]: Checked inductivity of 31126 backedges. 0 proven. 31125 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:38,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 260 states and 265 transitions. [2021-11-21 06:19:38,069 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 265 transitions. [2021-11-21 06:19:38,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-21 06:19:38,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:38,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:38,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-21 06:19:38,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:39,194 INFO L134 CoverageAnalysis]: Checked inductivity of 31376 backedges. 0 proven. 31375 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:40,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 261 states and 266 transitions. [2021-11-21 06:19:40,191 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 266 transitions. [2021-11-21 06:19:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-21 06:19:40,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:40,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:40,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-21 06:19:40,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:41,335 INFO L134 CoverageAnalysis]: Checked inductivity of 31627 backedges. 0 proven. 31626 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:42,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:42,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 262 states and 267 transitions. [2021-11-21 06:19:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 267 transitions. [2021-11-21 06:19:42,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-21 06:19:42,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:42,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:42,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-21 06:19:42,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 31879 backedges. 0 proven. 31878 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:44,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 263 states and 268 transitions. [2021-11-21 06:19:44,559 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 268 transitions. [2021-11-21 06:19:44,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-21 06:19:44,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:44,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:44,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-21 06:19:44,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 32132 backedges. 0 proven. 32131 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 264 states and 269 transitions. [2021-11-21 06:19:46,809 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 269 transitions. [2021-11-21 06:19:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-21 06:19:46,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:46,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:47,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-21 06:19:47,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 32386 backedges. 0 proven. 32385 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:49,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 265 states and 270 transitions. [2021-11-21 06:19:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 270 transitions. [2021-11-21 06:19:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-21 06:19:49,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:49,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:49,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-21 06:19:49,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:50,397 INFO L134 CoverageAnalysis]: Checked inductivity of 32641 backedges. 0 proven. 32640 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:51,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 266 states and 271 transitions. [2021-11-21 06:19:51,476 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 271 transitions. [2021-11-21 06:19:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-21 06:19:51,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:51,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:51,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-21 06:19:51,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 32897 backedges. 0 proven. 32896 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:53,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 267 states and 272 transitions. [2021-11-21 06:19:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 272 transitions. [2021-11-21 06:19:53,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-21 06:19:53,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:53,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:54,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-21 06:19:54,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:55,320 INFO L134 CoverageAnalysis]: Checked inductivity of 33154 backedges. 0 proven. 33153 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:56,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:56,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 268 states and 273 transitions. [2021-11-21 06:19:56,368 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 273 transitions. [2021-11-21 06:19:56,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-21 06:19:56,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:56,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:56,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-21 06:19:56,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 33412 backedges. 0 proven. 33411 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:19:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:19:58,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 269 states and 274 transitions. [2021-11-21 06:19:58,667 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 274 transitions. [2021-11-21 06:19:58,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-21 06:19:58,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:19:58,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:19:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:19:58,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-21 06:19:58,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:19:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 33671 backedges. 0 proven. 33670 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:00,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 270 states and 275 transitions. [2021-11-21 06:20:00,950 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 275 transitions. [2021-11-21 06:20:00,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-21 06:20:00,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:00,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:01,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 262 conjunts are in the unsatisfiable core [2021-11-21 06:20:01,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 33931 backedges. 0 proven. 33930 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:03,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:03,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 271 states and 276 transitions. [2021-11-21 06:20:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 276 transitions. [2021-11-21 06:20:03,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-21 06:20:03,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:03,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:03,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-21 06:20:03,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 34192 backedges. 0 proven. 34191 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:05,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:05,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 272 states and 277 transitions. [2021-11-21 06:20:05,984 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 277 transitions. [2021-11-21 06:20:05,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-21 06:20:05,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:05,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:06,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-21 06:20:06,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 34454 backedges. 0 proven. 34453 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:08,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:08,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 273 states and 278 transitions. [2021-11-21 06:20:08,433 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 278 transitions. [2021-11-21 06:20:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-21 06:20:08,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:08,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:08,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-21 06:20:08,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 34717 backedges. 0 proven. 34716 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:10,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 274 states and 279 transitions. [2021-11-21 06:20:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 279 transitions. [2021-11-21 06:20:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-21 06:20:10,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:10,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:10,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 266 conjunts are in the unsatisfiable core [2021-11-21 06:20:10,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 34981 backedges. 0 proven. 34980 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:13,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 275 states and 280 transitions. [2021-11-21 06:20:13,010 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 280 transitions. [2021-11-21 06:20:13,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-21 06:20:13,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:13,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:13,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-21 06:20:13,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 35246 backedges. 0 proven. 35245 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 276 states and 281 transitions. [2021-11-21 06:20:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 281 transitions. [2021-11-21 06:20:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-21 06:20:15,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:15,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:15,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-21 06:20:15,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 35512 backedges. 0 proven. 35511 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 277 states and 282 transitions. [2021-11-21 06:20:17,760 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 282 transitions. [2021-11-21 06:20:17,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-21 06:20:17,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:17,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:18,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-21 06:20:18,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 35779 backedges. 0 proven. 35778 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:20,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:20,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 278 states and 283 transitions. [2021-11-21 06:20:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 283 transitions. [2021-11-21 06:20:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-21 06:20:20,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:20,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:20,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 270 conjunts are in the unsatisfiable core [2021-11-21 06:20:20,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 36047 backedges. 0 proven. 36046 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:22,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 279 states and 284 transitions. [2021-11-21 06:20:22,641 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 284 transitions. [2021-11-21 06:20:22,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-21 06:20:22,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:22,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:22,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-21 06:20:22,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:24,064 INFO L134 CoverageAnalysis]: Checked inductivity of 36316 backedges. 0 proven. 36315 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:25,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 280 states and 285 transitions. [2021-11-21 06:20:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 285 transitions. [2021-11-21 06:20:25,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-21 06:20:25,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:25,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:25,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-21 06:20:25,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 36586 backedges. 0 proven. 36585 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:27,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 281 states and 286 transitions. [2021-11-21 06:20:27,728 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 286 transitions. [2021-11-21 06:20:27,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-21 06:20:27,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:27,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:28,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-21 06:20:28,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 36857 backedges. 0 proven. 36856 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:30,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 282 states and 287 transitions. [2021-11-21 06:20:30,436 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 287 transitions. [2021-11-21 06:20:30,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-21 06:20:30,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:30,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:30,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-21 06:20:30,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 37129 backedges. 0 proven. 37128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 283 states and 288 transitions. [2021-11-21 06:20:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 288 transitions. [2021-11-21 06:20:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-21 06:20:32,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:32,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:33,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-21 06:20:33,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 37402 backedges. 0 proven. 37401 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 284 states and 289 transitions. [2021-11-21 06:20:35,488 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 289 transitions. [2021-11-21 06:20:35,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-21 06:20:35,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:35,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:35,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 276 conjunts are in the unsatisfiable core [2021-11-21 06:20:35,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 37676 backedges. 0 proven. 37675 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:38,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 285 states and 290 transitions. [2021-11-21 06:20:38,109 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 290 transitions. [2021-11-21 06:20:38,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-21 06:20:38,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:38,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:38,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-21 06:20:38,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 37951 backedges. 0 proven. 37950 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 286 states and 291 transitions. [2021-11-21 06:20:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 291 transitions. [2021-11-21 06:20:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-21 06:20:40,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:40,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:40,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 278 conjunts are in the unsatisfiable core [2021-11-21 06:20:40,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:42,009 INFO L134 CoverageAnalysis]: Checked inductivity of 38227 backedges. 0 proven. 38226 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:43,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 287 states and 292 transitions. [2021-11-21 06:20:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 292 transitions. [2021-11-21 06:20:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-21 06:20:43,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:43,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:43,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-21 06:20:43,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 38504 backedges. 0 proven. 38503 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 288 states and 293 transitions. [2021-11-21 06:20:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 293 transitions. [2021-11-21 06:20:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-21 06:20:45,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:45,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:45,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 280 conjunts are in the unsatisfiable core [2021-11-21 06:20:45,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 38782 backedges. 0 proven. 38781 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 289 states and 294 transitions. [2021-11-21 06:20:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 294 transitions. [2021-11-21 06:20:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-21 06:20:48,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:48,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:48,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-21 06:20:48,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 39061 backedges. 0 proven. 39060 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 290 states and 295 transitions. [2021-11-21 06:20:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 295 transitions. [2021-11-21 06:20:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-21 06:20:50,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:50,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:51,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 282 conjunts are in the unsatisfiable core [2021-11-21 06:20:51,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 39341 backedges. 0 proven. 39340 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:53,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 291 states and 296 transitions. [2021-11-21 06:20:53,691 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 296 transitions. [2021-11-21 06:20:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-21 06:20:53,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:53,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:54,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-21 06:20:54,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:55,078 INFO L134 CoverageAnalysis]: Checked inductivity of 39622 backedges. 0 proven. 39621 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 292 states and 297 transitions. [2021-11-21 06:20:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 297 transitions. [2021-11-21 06:20:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-21 06:20:56,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:56,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:56,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 284 conjunts are in the unsatisfiable core [2021-11-21 06:20:56,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:20:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 39904 backedges. 0 proven. 39903 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:20:59,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:20:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 293 states and 298 transitions. [2021-11-21 06:20:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 298 transitions. [2021-11-21 06:20:59,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-21 06:20:59,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:20:59,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:20:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:20:59,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-21 06:20:59,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:00,310 INFO L134 CoverageAnalysis]: Checked inductivity of 40187 backedges. 0 proven. 40186 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 294 states and 299 transitions. [2021-11-21 06:21:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 299 transitions. [2021-11-21 06:21:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-21 06:21:01,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:01,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:01,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 286 conjunts are in the unsatisfiable core [2021-11-21 06:21:01,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 40471 backedges. 0 proven. 40470 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:04,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:04,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 295 states and 300 transitions. [2021-11-21 06:21:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 300 transitions. [2021-11-21 06:21:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-21 06:21:04,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:04,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:04,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-21 06:21:04,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:05,509 INFO L134 CoverageAnalysis]: Checked inductivity of 40756 backedges. 0 proven. 40755 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 296 states and 301 transitions. [2021-11-21 06:21:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 301 transitions. [2021-11-21 06:21:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-21 06:21:06,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:06,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:07,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 288 conjunts are in the unsatisfiable core [2021-11-21 06:21:07,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:08,095 INFO L134 CoverageAnalysis]: Checked inductivity of 41042 backedges. 0 proven. 41041 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:09,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 297 states and 302 transitions. [2021-11-21 06:21:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 302 transitions. [2021-11-21 06:21:09,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-21 06:21:09,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:09,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:09,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-21 06:21:09,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:10,793 INFO L134 CoverageAnalysis]: Checked inductivity of 41329 backedges. 0 proven. 41328 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:12,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 298 states and 303 transitions. [2021-11-21 06:21:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 303 transitions. [2021-11-21 06:21:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-21 06:21:12,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:12,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:12,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 290 conjunts are in the unsatisfiable core [2021-11-21 06:21:12,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 41617 backedges. 0 proven. 41616 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 299 states and 304 transitions. [2021-11-21 06:21:14,732 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 304 transitions. [2021-11-21 06:21:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-21 06:21:14,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:14,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:15,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 1219 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-21 06:21:15,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 41906 backedges. 0 proven. 41905 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:17,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 300 states and 305 transitions. [2021-11-21 06:21:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 305 transitions. [2021-11-21 06:21:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-21 06:21:17,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:17,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:17,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 292 conjunts are in the unsatisfiable core [2021-11-21 06:21:17,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 42196 backedges. 0 proven. 42195 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:20,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:20,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 301 states and 306 transitions. [2021-11-21 06:21:20,260 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 306 transitions. [2021-11-21 06:21:20,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-21 06:21:20,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:20,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:20,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 1227 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-21 06:21:20,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 42487 backedges. 0 proven. 42486 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 302 states and 307 transitions. [2021-11-21 06:21:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 307 transitions. [2021-11-21 06:21:22,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-21 06:21:22,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:22,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:23,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-21 06:21:23,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 42779 backedges. 0 proven. 42778 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 303 states and 308 transitions. [2021-11-21 06:21:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 308 transitions. [2021-11-21 06:21:25,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-21 06:21:25,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:25,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:25,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-21 06:21:25,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 43072 backedges. 0 proven. 43071 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 304 states and 309 transitions. [2021-11-21 06:21:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 309 transitions. [2021-11-21 06:21:28,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-21 06:21:28,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:28,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:28,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 296 conjunts are in the unsatisfiable core [2021-11-21 06:21:28,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 43366 backedges. 0 proven. 43365 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:30,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 305 states and 310 transitions. [2021-11-21 06:21:30,896 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 310 transitions. [2021-11-21 06:21:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-21 06:21:30,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:30,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:31,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-21 06:21:31,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 43661 backedges. 0 proven. 43660 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:33,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 306 states and 311 transitions. [2021-11-21 06:21:33,684 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 311 transitions. [2021-11-21 06:21:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-21 06:21:33,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:33,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:34,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 298 conjunts are in the unsatisfiable core [2021-11-21 06:21:34,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:35,116 INFO L134 CoverageAnalysis]: Checked inductivity of 43957 backedges. 0 proven. 43956 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 307 states and 312 transitions. [2021-11-21 06:21:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 312 transitions. [2021-11-21 06:21:36,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-21 06:21:36,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:36,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:36,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-21 06:21:36,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 44254 backedges. 0 proven. 44253 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:39,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 308 states and 313 transitions. [2021-11-21 06:21:39,256 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 313 transitions. [2021-11-21 06:21:39,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-21 06:21:39,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:39,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:39,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 300 conjunts are in the unsatisfiable core [2021-11-21 06:21:39,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 44552 backedges. 0 proven. 44551 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:42,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 309 states and 314 transitions. [2021-11-21 06:21:42,095 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 314 transitions. [2021-11-21 06:21:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-21 06:21:42,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:42,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:42,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-21 06:21:42,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:43,526 INFO L134 CoverageAnalysis]: Checked inductivity of 44851 backedges. 0 proven. 44850 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:44,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 310 states and 315 transitions. [2021-11-21 06:21:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 315 transitions. [2021-11-21 06:21:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-21 06:21:44,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:44,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:45,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 302 conjunts are in the unsatisfiable core [2021-11-21 06:21:45,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 45151 backedges. 0 proven. 45150 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 311 states and 316 transitions. [2021-11-21 06:21:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 316 transitions. [2021-11-21 06:21:47,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-21 06:21:47,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:47,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:47,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-21 06:21:47,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 45452 backedges. 0 proven. 45451 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:50,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 312 states and 317 transitions. [2021-11-21 06:21:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 317 transitions. [2021-11-21 06:21:50,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-21 06:21:50,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:50,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:50,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 1271 conjuncts, 304 conjunts are in the unsatisfiable core [2021-11-21 06:21:50,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 45754 backedges. 0 proven. 45753 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:53,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 313 states and 318 transitions. [2021-11-21 06:21:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 318 transitions. [2021-11-21 06:21:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-21 06:21:53,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:53,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:53,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-21 06:21:53,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:54,618 INFO L134 CoverageAnalysis]: Checked inductivity of 46057 backedges. 0 proven. 46056 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:56,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 314 states and 319 transitions. [2021-11-21 06:21:56,065 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 319 transitions. [2021-11-21 06:21:56,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-21 06:21:56,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:56,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:56,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 306 conjunts are in the unsatisfiable core [2021-11-21 06:21:56,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:57,512 INFO L134 CoverageAnalysis]: Checked inductivity of 46361 backedges. 0 proven. 46360 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:58,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:58,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 315 states and 320 transitions. [2021-11-21 06:21:58,947 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 320 transitions. [2021-11-21 06:21:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-21 06:21:58,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:58,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:59,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-21 06:21:59,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 46666 backedges. 0 proven. 46665 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 316 states and 321 transitions. [2021-11-21 06:22:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 321 transitions. [2021-11-21 06:22:01,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-21 06:22:01,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:01,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:01,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1287 conjuncts, 308 conjunts are in the unsatisfiable core [2021-11-21 06:22:01,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 46972 backedges. 0 proven. 46971 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 317 states and 322 transitions. [2021-11-21 06:22:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 322 transitions. [2021-11-21 06:22:04,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-21 06:22:04,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:04,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:04,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-21 06:22:04,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 47279 backedges. 0 proven. 47278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:07,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:07,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 318 states and 323 transitions. [2021-11-21 06:22:07,315 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 323 transitions. [2021-11-21 06:22:07,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-21 06:22:07,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:07,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:07,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 310 conjunts are in the unsatisfiable core [2021-11-21 06:22:07,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 47587 backedges. 0 proven. 47586 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:10,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 319 states and 324 transitions. [2021-11-21 06:22:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 324 transitions. [2021-11-21 06:22:10,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-21 06:22:10,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:10,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:10,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-21 06:22:10,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 47896 backedges. 0 proven. 47895 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 320 states and 325 transitions. [2021-11-21 06:22:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 325 transitions. [2021-11-21 06:22:13,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-21 06:22:13,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:13,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:13,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 312 conjunts are in the unsatisfiable core [2021-11-21 06:22:13,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:14,684 INFO L134 CoverageAnalysis]: Checked inductivity of 48206 backedges. 0 proven. 48205 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:16,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:16,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 321 states and 326 transitions. [2021-11-21 06:22:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 326 transitions. [2021-11-21 06:22:16,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-21 06:22:16,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:16,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:16,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1307 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-21 06:22:16,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:17,476 INFO L134 CoverageAnalysis]: Checked inductivity of 48517 backedges. 0 proven. 48516 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 322 states and 327 transitions. [2021-11-21 06:22:18,946 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 327 transitions. [2021-11-21 06:22:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-21 06:22:18,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:18,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:19,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 314 conjunts are in the unsatisfiable core [2021-11-21 06:22:19,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 48829 backedges. 0 proven. 48828 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 323 states and 328 transitions. [2021-11-21 06:22:21,747 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 328 transitions. [2021-11-21 06:22:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-21 06:22:21,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:21,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:22,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 315 conjunts are in the unsatisfiable core [2021-11-21 06:22:22,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 49142 backedges. 0 proven. 49141 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:24,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:24,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 324 states and 329 transitions. [2021-11-21 06:22:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 329 transitions. [2021-11-21 06:22:24,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-21 06:22:24,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:24,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:25,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 316 conjunts are in the unsatisfiable core [2021-11-21 06:22:25,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:26,240 INFO L134 CoverageAnalysis]: Checked inductivity of 49456 backedges. 0 proven. 49455 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:27,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 325 states and 330 transitions. [2021-11-21 06:22:27,629 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 330 transitions. [2021-11-21 06:22:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-21 06:22:27,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:27,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:27,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 317 conjunts are in the unsatisfiable core [2021-11-21 06:22:27,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 49771 backedges. 0 proven. 49770 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:30,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 326 states and 331 transitions. [2021-11-21 06:22:30,672 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 331 transitions. [2021-11-21 06:22:30,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-21 06:22:30,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:30,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:30,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 318 conjunts are in the unsatisfiable core [2021-11-21 06:22:31,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:32,182 INFO L134 CoverageAnalysis]: Checked inductivity of 50087 backedges. 0 proven. 50086 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:33,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 327 states and 332 transitions. [2021-11-21 06:22:33,533 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 332 transitions. [2021-11-21 06:22:33,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-21 06:22:33,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:33,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:33,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-21 06:22:33,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:35,204 INFO L134 CoverageAnalysis]: Checked inductivity of 50404 backedges. 0 proven. 50403 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:36,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 328 states and 333 transitions. [2021-11-21 06:22:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 333 transitions. [2021-11-21 06:22:36,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-21 06:22:36,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:36,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:36,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 320 conjunts are in the unsatisfiable core [2021-11-21 06:22:36,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 50722 backedges. 0 proven. 50721 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 329 states and 334 transitions. [2021-11-21 06:22:39,475 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 334 transitions. [2021-11-21 06:22:39,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-21 06:22:39,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:39,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:39,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 321 conjunts are in the unsatisfiable core [2021-11-21 06:22:39,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 51041 backedges. 0 proven. 51040 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 330 states and 335 transitions. [2021-11-21 06:22:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 335 transitions. [2021-11-21 06:22:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-21 06:22:42,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:42,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:42,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 322 conjunts are in the unsatisfiable core [2021-11-21 06:22:42,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 51361 backedges. 0 proven. 51360 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 331 states and 336 transitions. [2021-11-21 06:22:45,675 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 336 transitions. [2021-11-21 06:22:45,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-21 06:22:45,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:45,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:46,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 323 conjunts are in the unsatisfiable core [2021-11-21 06:22:46,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 51682 backedges. 0 proven. 51681 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:48,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:48,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 332 states and 337 transitions. [2021-11-21 06:22:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 337 transitions. [2021-11-21 06:22:48,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-21 06:22:48,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:48,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:48,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-21 06:22:48,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 52004 backedges. 0 proven. 52003 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:51,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 333 states and 338 transitions. [2021-11-21 06:22:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 338 transitions. [2021-11-21 06:22:51,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-21 06:22:51,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:51,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:52,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 1355 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-21 06:22:52,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:53,300 INFO L134 CoverageAnalysis]: Checked inductivity of 52327 backedges. 0 proven. 52326 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:54,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 334 states and 339 transitions. [2021-11-21 06:22:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 339 transitions. [2021-11-21 06:22:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-21 06:22:54,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:54,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:55,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 326 conjunts are in the unsatisfiable core [2021-11-21 06:22:55,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 52651 backedges. 0 proven. 52650 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:22:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 335 states and 340 transitions. [2021-11-21 06:22:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 340 transitions. [2021-11-21 06:22:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-21 06:22:57,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:57,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:58,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 327 conjunts are in the unsatisfiable core [2021-11-21 06:22:58,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 52976 backedges. 0 proven. 52975 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:00,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:00,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 336 states and 341 transitions. [2021-11-21 06:23:00,842 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 341 transitions. [2021-11-21 06:23:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-21 06:23:00,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:00,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:01,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 328 conjunts are in the unsatisfiable core [2021-11-21 06:23:01,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 53302 backedges. 0 proven. 53301 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 337 states and 342 transitions. [2021-11-21 06:23:04,080 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 342 transitions. [2021-11-21 06:23:04,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-21 06:23:04,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:04,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:04,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 329 conjunts are in the unsatisfiable core [2021-11-21 06:23:04,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:05,674 INFO L134 CoverageAnalysis]: Checked inductivity of 53629 backedges. 0 proven. 53628 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:07,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 338 states and 343 transitions. [2021-11-21 06:23:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 343 transitions. [2021-11-21 06:23:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-21 06:23:07,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:07,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:07,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 1375 conjuncts, 330 conjunts are in the unsatisfiable core [2021-11-21 06:23:07,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 53957 backedges. 0 proven. 53956 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:10,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 339 states and 344 transitions. [2021-11-21 06:23:10,233 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 344 transitions. [2021-11-21 06:23:10,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-21 06:23:10,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:10,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:10,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 331 conjunts are in the unsatisfiable core [2021-11-21 06:23:10,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 54286 backedges. 0 proven. 54285 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:13,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 340 states and 345 transitions. [2021-11-21 06:23:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 345 transitions. [2021-11-21 06:23:13,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-21 06:23:13,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:13,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:13,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 332 conjunts are in the unsatisfiable core [2021-11-21 06:23:13,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 54616 backedges. 0 proven. 54615 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:16,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:16,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 341 states and 346 transitions. [2021-11-21 06:23:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 346 transitions. [2021-11-21 06:23:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-21 06:23:16,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:16,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:16,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 333 conjunts are in the unsatisfiable core [2021-11-21 06:23:16,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 54947 backedges. 0 proven. 54946 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:19,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 342 states and 347 transitions. [2021-11-21 06:23:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 347 transitions. [2021-11-21 06:23:19,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-21 06:23:19,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:19,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:20,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 334 conjunts are in the unsatisfiable core [2021-11-21 06:23:20,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 55279 backedges. 0 proven. 55278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:22,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 343 states and 348 transitions. [2021-11-21 06:23:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 348 transitions. [2021-11-21 06:23:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-21 06:23:22,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:22,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:23,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 335 conjunts are in the unsatisfiable core [2021-11-21 06:23:23,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 55612 backedges. 0 proven. 55611 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 344 states and 349 transitions. [2021-11-21 06:23:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 349 transitions. [2021-11-21 06:23:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-21 06:23:26,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:26,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:26,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 1399 conjuncts, 336 conjunts are in the unsatisfiable core [2021-11-21 06:23:26,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 55946 backedges. 0 proven. 55945 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:29,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 345 states and 350 transitions. [2021-11-21 06:23:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 350 transitions. [2021-11-21 06:23:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-21 06:23:29,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:29,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:29,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 1403 conjuncts, 337 conjunts are in the unsatisfiable core [2021-11-21 06:23:29,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:30,973 INFO L134 CoverageAnalysis]: Checked inductivity of 56281 backedges. 0 proven. 56280 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:32,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 346 states and 351 transitions. [2021-11-21 06:23:32,444 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 351 transitions. [2021-11-21 06:23:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-21 06:23:32,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:32,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:32,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 1407 conjuncts, 338 conjunts are in the unsatisfiable core [2021-11-21 06:23:32,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 56617 backedges. 0 proven. 56616 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 347 states and 352 transitions. [2021-11-21 06:23:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 352 transitions. [2021-11-21 06:23:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-21 06:23:35,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:35,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:36,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1411 conjuncts, 339 conjunts are in the unsatisfiable core [2021-11-21 06:23:36,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:37,389 INFO L134 CoverageAnalysis]: Checked inductivity of 56954 backedges. 0 proven. 56953 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 348 states and 353 transitions. [2021-11-21 06:23:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 353 transitions. [2021-11-21 06:23:38,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-21 06:23:38,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:38,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:39,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 340 conjunts are in the unsatisfiable core [2021-11-21 06:23:39,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 57292 backedges. 0 proven. 57291 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 349 states and 354 transitions. [2021-11-21 06:23:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 354 transitions. [2021-11-21 06:23:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-21 06:23:42,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:42,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:42,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 341 conjunts are in the unsatisfiable core [2021-11-21 06:23:42,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:43,837 INFO L134 CoverageAnalysis]: Checked inductivity of 57631 backedges. 0 proven. 57630 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:45,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 350 states and 355 transitions. [2021-11-21 06:23:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 355 transitions. [2021-11-21 06:23:45,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-21 06:23:45,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:45,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:45,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 342 conjunts are in the unsatisfiable core [2021-11-21 06:23:45,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 57971 backedges. 0 proven. 57970 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:48,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:48,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 351 states and 356 transitions. [2021-11-21 06:23:48,602 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 356 transitions. [2021-11-21 06:23:48,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-21 06:23:48,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:48,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:48,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 343 conjunts are in the unsatisfiable core [2021-11-21 06:23:48,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:50,446 INFO L134 CoverageAnalysis]: Checked inductivity of 58312 backedges. 0 proven. 58311 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 352 states and 357 transitions. [2021-11-21 06:23:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 357 transitions. [2021-11-21 06:23:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-21 06:23:51,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:51,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:52,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 344 conjunts are in the unsatisfiable core [2021-11-21 06:23:52,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:53,642 INFO L134 CoverageAnalysis]: Checked inductivity of 58654 backedges. 0 proven. 58653 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 353 states and 358 transitions. [2021-11-21 06:23:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 358 transitions. [2021-11-21 06:23:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-21 06:23:55,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:55,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:55,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 1435 conjuncts, 345 conjunts are in the unsatisfiable core [2021-11-21 06:23:55,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 58997 backedges. 0 proven. 58996 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:58,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 354 states and 359 transitions. [2021-11-21 06:23:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 359 transitions. [2021-11-21 06:23:58,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-21 06:23:58,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:58,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:58,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 346 conjunts are in the unsatisfiable core [2021-11-21 06:23:58,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 59341 backedges. 0 proven. 59340 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:02,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 355 states and 360 transitions. [2021-11-21 06:24:02,019 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 360 transitions. [2021-11-21 06:24:02,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-21 06:24:02,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:02,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:02,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1443 conjuncts, 347 conjunts are in the unsatisfiable core [2021-11-21 06:24:02,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:03,817 INFO L134 CoverageAnalysis]: Checked inductivity of 59686 backedges. 0 proven. 59685 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:05,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 356 states and 361 transitions. [2021-11-21 06:24:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 361 transitions. [2021-11-21 06:24:05,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-21 06:24:05,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:05,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:05,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 348 conjunts are in the unsatisfiable core [2021-11-21 06:24:05,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 60032 backedges. 0 proven. 60031 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:08,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:08,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 357 states and 362 transitions. [2021-11-21 06:24:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 362 transitions. [2021-11-21 06:24:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-21 06:24:08,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:08,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:09,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 349 conjunts are in the unsatisfiable core [2021-11-21 06:24:09,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 60379 backedges. 0 proven. 60378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 358 states and 363 transitions. [2021-11-21 06:24:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 363 transitions. [2021-11-21 06:24:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-21 06:24:12,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:12,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:12,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 1455 conjuncts, 350 conjunts are in the unsatisfiable core [2021-11-21 06:24:12,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 60727 backedges. 0 proven. 60726 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:15,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 359 states and 364 transitions. [2021-11-21 06:24:15,575 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 364 transitions. [2021-11-21 06:24:15,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-21 06:24:15,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:15,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:15,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 1459 conjuncts, 351 conjunts are in the unsatisfiable core [2021-11-21 06:24:15,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 61076 backedges. 0 proven. 61075 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:18,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:18,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 360 states and 365 transitions. [2021-11-21 06:24:18,840 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 365 transitions. [2021-11-21 06:24:18,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-21 06:24:18,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:18,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:19,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 352 conjunts are in the unsatisfiable core [2021-11-21 06:24:19,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 61426 backedges. 0 proven. 61425 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:22,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 361 states and 366 transitions. [2021-11-21 06:24:22,303 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 366 transitions. [2021-11-21 06:24:22,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-21 06:24:22,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:22,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:22,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 353 conjunts are in the unsatisfiable core [2021-11-21 06:24:22,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:24,143 INFO L134 CoverageAnalysis]: Checked inductivity of 61777 backedges. 0 proven. 61776 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:25,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 362 states and 367 transitions. [2021-11-21 06:24:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 367 transitions. [2021-11-21 06:24:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-21 06:24:25,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:25,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:26,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 1471 conjuncts, 354 conjunts are in the unsatisfiable core [2021-11-21 06:24:26,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 62129 backedges. 0 proven. 62128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 363 states and 368 transitions. [2021-11-21 06:24:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 368 transitions. [2021-11-21 06:24:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-21 06:24:29,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:29,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:29,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 1475 conjuncts, 355 conjunts are in the unsatisfiable core [2021-11-21 06:24:29,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 62482 backedges. 0 proven. 62481 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 364 states and 369 transitions. [2021-11-21 06:24:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 369 transitions. [2021-11-21 06:24:32,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-11-21 06:24:32,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:32,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:32,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 1479 conjuncts, 356 conjunts are in the unsatisfiable core [2021-11-21 06:24:32,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 62836 backedges. 0 proven. 62835 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:36,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:36,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 365 states and 370 transitions. [2021-11-21 06:24:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 370 transitions. [2021-11-21 06:24:36,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-21 06:24:36,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:36,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:36,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 357 conjunts are in the unsatisfiable core [2021-11-21 06:24:36,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:37,783 INFO L134 CoverageAnalysis]: Checked inductivity of 63191 backedges. 0 proven. 63190 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:39,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 366 states and 371 transitions. [2021-11-21 06:24:39,374 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 371 transitions. [2021-11-21 06:24:39,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-11-21 06:24:39,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:39,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:39,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 358 conjunts are in the unsatisfiable core [2021-11-21 06:24:39,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 63547 backedges. 0 proven. 63546 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:42,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:42,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 367 states and 372 transitions. [2021-11-21 06:24:42,898 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 372 transitions. [2021-11-21 06:24:42,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-11-21 06:24:42,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:42,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:43,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 359 conjunts are in the unsatisfiable core [2021-11-21 06:24:43,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 63904 backedges. 0 proven. 63903 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 368 states and 373 transitions. [2021-11-21 06:24:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 373 transitions. [2021-11-21 06:24:46,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-21 06:24:46,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:46,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:46,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1495 conjuncts, 360 conjunts are in the unsatisfiable core [2021-11-21 06:24:46,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 64262 backedges. 0 proven. 64261 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:49,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 369 states and 374 transitions. [2021-11-21 06:24:49,994 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 374 transitions. [2021-11-21 06:24:49,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-11-21 06:24:49,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:49,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:50,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 1499 conjuncts, 361 conjunts are in the unsatisfiable core [2021-11-21 06:24:50,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 64621 backedges. 0 proven. 64620 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 370 states and 375 transitions. [2021-11-21 06:24:53,525 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 375 transitions. [2021-11-21 06:24:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-11-21 06:24:53,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:53,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:53,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 362 conjunts are in the unsatisfiable core [2021-11-21 06:24:53,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 64981 backedges. 0 proven. 64980 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 371 states and 376 transitions. [2021-11-21 06:24:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 376 transitions. [2021-11-21 06:24:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-11-21 06:24:56,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:56,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:57,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 1507 conjuncts, 363 conjunts are in the unsatisfiable core [2021-11-21 06:24:57,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 65342 backedges. 0 proven. 65341 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:00,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 372 states and 377 transitions. [2021-11-21 06:25:00,499 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 377 transitions. [2021-11-21 06:25:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-21 06:25:00,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:00,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:00,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 364 conjunts are in the unsatisfiable core [2021-11-21 06:25:00,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:02,477 INFO L134 CoverageAnalysis]: Checked inductivity of 65704 backedges. 0 proven. 65703 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:04,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:04,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 373 states and 378 transitions. [2021-11-21 06:25:04,109 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 378 transitions. [2021-11-21 06:25:04,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-11-21 06:25:04,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:04,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:04,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 365 conjunts are in the unsatisfiable core [2021-11-21 06:25:04,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 66067 backedges. 0 proven. 66066 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 374 states and 379 transitions. [2021-11-21 06:25:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 379 transitions. [2021-11-21 06:25:07,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-11-21 06:25:07,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:07,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:08,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 366 conjunts are in the unsatisfiable core [2021-11-21 06:25:08,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 66431 backedges. 0 proven. 66430 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 375 states and 380 transitions. [2021-11-21 06:25:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 380 transitions. [2021-11-21 06:25:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-11-21 06:25:11,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:11,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:11,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 367 conjunts are in the unsatisfiable core [2021-11-21 06:25:11,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 66796 backedges. 0 proven. 66795 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:15,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 376 states and 381 transitions. [2021-11-21 06:25:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 381 transitions. [2021-11-21 06:25:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-21 06:25:15,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:15,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:15,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1527 conjuncts, 368 conjunts are in the unsatisfiable core [2021-11-21 06:25:15,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:17,161 INFO L134 CoverageAnalysis]: Checked inductivity of 67162 backedges. 0 proven. 67161 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:18,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 377 states and 382 transitions. [2021-11-21 06:25:18,775 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 382 transitions. [2021-11-21 06:25:18,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-11-21 06:25:18,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:18,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:19,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 1531 conjuncts, 369 conjunts are in the unsatisfiable core [2021-11-21 06:25:19,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 67529 backedges. 0 proven. 67528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 378 states and 383 transitions. [2021-11-21 06:25:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 383 transitions. [2021-11-21 06:25:22,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-11-21 06:25:22,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:22,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:22,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 370 conjunts are in the unsatisfiable core [2021-11-21 06:25:22,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:24,276 INFO L134 CoverageAnalysis]: Checked inductivity of 67897 backedges. 0 proven. 67896 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:26,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 379 states and 384 transitions. [2021-11-21 06:25:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 384 transitions. [2021-11-21 06:25:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2021-11-21 06:25:26,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:26,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:26,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 371 conjunts are in the unsatisfiable core [2021-11-21 06:25:26,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 68266 backedges. 0 proven. 68265 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:30,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:30,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 380 states and 385 transitions. [2021-11-21 06:25:30,348 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 385 transitions. [2021-11-21 06:25:30,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-11-21 06:25:30,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:30,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:30,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 372 conjunts are in the unsatisfiable core [2021-11-21 06:25:30,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 68636 backedges. 0 proven. 68635 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:33,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 381 states and 386 transitions. [2021-11-21 06:25:33,819 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 386 transitions. [2021-11-21 06:25:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-11-21 06:25:33,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:33,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:34,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 1547 conjuncts, 373 conjunts are in the unsatisfiable core [2021-11-21 06:25:34,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 69007 backedges. 0 proven. 69006 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:37,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 382 states and 387 transitions. [2021-11-21 06:25:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 387 transitions. [2021-11-21 06:25:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2021-11-21 06:25:37,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:37,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:37,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1551 conjuncts, 374 conjunts are in the unsatisfiable core [2021-11-21 06:25:37,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 69379 backedges. 0 proven. 69378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 383 states and 388 transitions. [2021-11-21 06:25:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 388 transitions. [2021-11-21 06:25:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-21 06:25:41,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:41,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:41,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1555 conjuncts, 375 conjunts are in the unsatisfiable core [2021-11-21 06:25:41,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:43,284 INFO L134 CoverageAnalysis]: Checked inductivity of 69752 backedges. 0 proven. 69751 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 384 states and 389 transitions. [2021-11-21 06:25:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 389 transitions. [2021-11-21 06:25:45,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-11-21 06:25:45,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:45,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:45,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 1559 conjuncts, 376 conjunts are in the unsatisfiable core [2021-11-21 06:25:45,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 70126 backedges. 0 proven. 70125 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:25:49,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:49,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 385 states and 390 transitions. [2021-11-21 06:25:49,268 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 390 transitions. [2021-11-21 06:25:49,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-11-21 06:25:49,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:49,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms