./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/LogRecursive.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/LogRecursive.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e724a514255a950b17f8b31ed081620ead5e2540931c6bb88a6923d310e5f391 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 08:08:43,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 08:08:43,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 08:08:43,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 08:08:43,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 08:08:43,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 08:08:43,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 08:08:43,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 08:08:43,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 08:08:43,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 08:08:43,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 08:08:43,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 08:08:43,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 08:08:43,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 08:08:43,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 08:08:43,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 08:08:43,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 08:08:43,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 08:08:43,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 08:08:43,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 08:08:43,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 08:08:43,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 08:08:43,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 08:08:43,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 08:08:43,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 08:08:43,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 08:08:43,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 08:08:43,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 08:08:43,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 08:08:43,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 08:08:43,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 08:08:43,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 08:08:43,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 08:08:43,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 08:08:43,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 08:08:43,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 08:08:43,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 08:08:43,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 08:08:43,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 08:08:43,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 08:08:43,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 08:08:43,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 08:08:43,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 08:08:43,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 08:08:43,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 08:08:43,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 08:08:43,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 08:08:43,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 08:08:43,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 08:08:43,458 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 08:08:43,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 08:08:43,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 08:08:43,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 08:08:43,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 08:08:43,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 08:08:43,460 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 08:08:43,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 08:08:43,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 08:08:43,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 08:08:43,461 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 08:08:43,461 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 08:08:43,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 08:08:43,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:08:43,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 08:08:43,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 08:08:43,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 08:08:43,463 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 08:08:43,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 08:08:43,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 08:08:43,463 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_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e724a514255a950b17f8b31ed081620ead5e2540931c6bb88a6923d310e5f391 [2021-11-25 08:08:43,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 08:08:43,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 08:08:43,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 08:08:43,826 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 08:08:43,827 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 08:08:43,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-numeric/LogRecursive.c [2021-11-25 08:08:43,899 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/data/b0aae59ec/73bf8fe30dda4699812ffd9db182d936/FLAG614f72040 [2021-11-25 08:08:44,424 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 08:08:44,425 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/sv-benchmarks/c/termination-numeric/LogRecursive.c [2021-11-25 08:08:44,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/data/b0aae59ec/73bf8fe30dda4699812ffd9db182d936/FLAG614f72040 [2021-11-25 08:08:44,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/data/b0aae59ec/73bf8fe30dda4699812ffd9db182d936 [2021-11-25 08:08:44,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 08:08:44,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 08:08:44,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 08:08:44,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 08:08:44,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 08:08:44,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:08:44" (1/1) ... [2021-11-25 08:08:44,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f979f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:44, skipping insertion in model container [2021-11-25 08:08:44,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:08:44" (1/1) ... [2021-11-25 08:08:44,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 08:08:44,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 08:08:44,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:08:44,984 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 08:08:45,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:08:45,030 INFO L208 MainTranslator]: Completed translation [2021-11-25 08:08:45,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:45 WrapperNode [2021-11-25 08:08:45,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 08:08:45,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 08:08:45,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 08:08:45,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 08:08:45,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:45" (1/1) ... [2021-11-25 08:08:45,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:45" (1/1) ... [2021-11-25 08:08:45,065 INFO L137 Inliner]: procedures = 6, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-25 08:08:45,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 08:08:45,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 08:08:45,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 08:08:45,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 08:08:45,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:45" (1/1) ... [2021-11-25 08:08:45,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:45" (1/1) ... [2021-11-25 08:08:45,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:45" (1/1) ... [2021-11-25 08:08:45,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:45" (1/1) ... [2021-11-25 08:08:45,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:45" (1/1) ... [2021-11-25 08:08:45,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:45" (1/1) ... [2021-11-25 08:08:45,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:45" (1/1) ... [2021-11-25 08:08:45,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 08:08:45,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 08:08:45,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 08:08:45,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 08:08:45,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:45" (1/1) ... [2021-11-25 08:08:45,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:08:45,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 08:08:45,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 08:08:45,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb15833-cbca-4d60-9b83-9d9cd080ada4/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 08:08:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure _log [2021-11-25 08:08:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure _log [2021-11-25 08:08:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 08:08:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 08:08:45,214 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 08:08:45,216 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 08:08:45,351 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 08:08:45,362 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 08:08:45,362 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 08:08:45,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:08:45 BoogieIcfgContainer [2021-11-25 08:08:45,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 08:08:45,366 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 08:08:45,366 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 08:08:45,376 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 08:08:45,376 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:08:45" (1/1) ... [2021-11-25 08:08:45,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 08:08:45,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-11-25 08:08:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-25 08:08:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 08:08:45,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:45,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:45,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 08:08:45,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:45,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:45,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 29 transitions. [2021-11-25 08:08:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-11-25 08:08:45,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 08:08:45,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:45,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:45,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 08:08:45,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 31 transitions. [2021-11-25 08:08:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2021-11-25 08:08:46,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 08:08:46,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:46,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:46,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 08:08:46,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:48,974 WARN L860 $PredicateComparison]: unable to prove that (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= |c__log_#in~x| .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1)))) is different from true [2021-11-25 08:08:51,256 WARN L860 $PredicateComparison]: unable to prove that (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= c__log_~x .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1)))) is different from true [2021-11-25 08:09:23,994 WARN L227 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 08:09:23,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:09:26,966 WARN L838 $PredicateComparison]: unable to prove that (not (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= |c__log_#in~x| .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1))))) is different from false [2021-11-25 08:09:29,947 WARN L838 $PredicateComparison]: unable to prove that (not (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= c__log_~x .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1))))) is different from false [2021-11-25 08:10:00,030 WARN L227 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 08:10:00,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:00,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 22 transitions. [2021-11-25 08:10:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-25 08:10:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 08:10:00,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:00,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:00,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 08:10:00,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:00,136 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 08:10:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:00,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 28 transitions. [2021-11-25 08:10:00,253 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-11-25 08:10:00,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 08:10:00,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:00,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:00,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 08:10:00,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:10:00,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 27 transitions. [2021-11-25 08:10:00,439 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-25 08:10:00,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:10:00,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:00,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:00,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:10:00,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 08:10:00,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 33 transitions. [2021-11-25 08:10:00,759 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2021-11-25 08:10:00,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 08:10:00,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:00,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:00,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 08:10:00,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 08:10:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 39 transitions. [2021-11-25 08:10:01,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2021-11-25 08:10:01,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 08:10:01,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:01,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:01,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 08:10:01,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-25 08:10:01,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 45 transitions. [2021-11-25 08:10:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2021-11-25 08:10:01,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 08:10:01,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:01,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:01,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 08:10:01,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-25 08:10:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 51 transitions. [2021-11-25 08:10:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2021-11-25 08:10:02,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 08:10:02,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:02,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:02,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 08:10:02,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-25 08:10:02,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:02,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 57 transitions. [2021-11-25 08:10:02,567 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2021-11-25 08:10:02,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 08:10:02,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:02,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:02,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 08:10:02,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-25 08:10:03,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:03,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 63 transitions. [2021-11-25 08:10:03,135 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2021-11-25 08:10:03,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 08:10:03,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:03,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:03,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 08:10:03,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-25 08:10:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 57 states and 69 transitions. [2021-11-25 08:10:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2021-11-25 08:10:03,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 08:10:03,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:03,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:03,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-25 08:10:03,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-25 08:10:04,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:04,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 75 transitions. [2021-11-25 08:10:04,498 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2021-11-25 08:10:04,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 08:10:04,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:04,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:04,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-25 08:10:04,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-11-25 08:10:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 81 transitions. [2021-11-25 08:10:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2021-11-25 08:10:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-25 08:10:05,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:05,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:05,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-25 08:10:05,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-11-25 08:10:05,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:05,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 87 transitions. [2021-11-25 08:10:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2021-11-25 08:10:05,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-25 08:10:05,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:05,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:06,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-25 08:10:06,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-11-25 08:10:06,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 77 states and 93 transitions. [2021-11-25 08:10:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2021-11-25 08:10:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-25 08:10:06,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:06,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:06,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 08:10:06,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-11-25 08:10:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:07,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 99 transitions. [2021-11-25 08:10:07,830 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2021-11-25 08:10:07,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-25 08:10:07,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:07,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:07,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-25 08:10:07,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-11-25 08:10:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:08,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 105 transitions. [2021-11-25 08:10:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2021-11-25 08:10:08,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-25 08:10:08,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:08,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:08,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-25 08:10:08,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:09,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2021-11-25 08:10:09,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 92 states and 111 transitions. [2021-11-25 08:10:09,706 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2021-11-25 08:10:09,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-25 08:10:09,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:09,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:09,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-25 08:10:09,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1299 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2021-11-25 08:10:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 117 transitions. [2021-11-25 08:10:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2021-11-25 08:10:10,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-25 08:10:10,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:10,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:10,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 08:10:10,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2021-11-25 08:10:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:11,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 102 states and 123 transitions. [2021-11-25 08:10:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 123 transitions. [2021-11-25 08:10:11,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-25 08:10:11,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:11,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:11,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-25 08:10:11,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2021-11-25 08:10:12,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:12,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 129 transitions. [2021-11-25 08:10:12,698 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2021-11-25 08:10:12,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-25 08:10:12,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:12,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:12,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 08:10:12,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2021-11-25 08:10:13,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:13,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 112 states and 135 transitions. [2021-11-25 08:10:13,787 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 135 transitions. [2021-11-25 08:10:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-25 08:10:13,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:13,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:13,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 08:10:13,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2021-11-25 08:10:14,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:14,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 117 states and 141 transitions. [2021-11-25 08:10:14,843 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 141 transitions. [2021-11-25 08:10:14,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-25 08:10:14,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:14,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:14,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-25 08:10:14,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:15,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2021-11-25 08:10:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 122 states and 147 transitions. [2021-11-25 08:10:15,921 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 147 transitions. [2021-11-25 08:10:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-25 08:10:15,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:15,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:16,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-25 08:10:16,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:16,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2333 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2021-11-25 08:10:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:17,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 127 states and 153 transitions. [2021-11-25 08:10:17,081 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 153 transitions. [2021-11-25 08:10:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-25 08:10:17,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:17,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:17,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-25 08:10:17,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:17,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 1428 trivial. 0 not checked. [2021-11-25 08:10:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 132 states and 159 transitions. [2021-11-25 08:10:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 159 transitions. [2021-11-25 08:10:18,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-25 08:10:18,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:18,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:18,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-25 08:10:18,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:19,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2907 backedges. 0 proven. 1357 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2021-11-25 08:10:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:19,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 165 transitions. [2021-11-25 08:10:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 165 transitions. [2021-11-25 08:10:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-25 08:10:19,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:19,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:19,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-25 08:10:19,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:20,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3026 backedges. 0 proven. 1476 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2021-11-25 08:10:20,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 142 states and 171 transitions. [2021-11-25 08:10:20,937 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 171 transitions. [2021-11-25 08:10:20,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-25 08:10:20,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:20,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:21,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-25 08:10:21,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3277 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2021-11-25 08:10:22,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 147 states and 177 transitions. [2021-11-25 08:10:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 177 transitions. [2021-11-25 08:10:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-25 08:10:22,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:22,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:22,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-25 08:10:22,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3675 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1946 trivial. 0 not checked. [2021-11-25 08:10:23,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:23,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 152 states and 183 transitions. [2021-11-25 08:10:23,743 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2021-11-25 08:10:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-25 08:10:23,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:23,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:23,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-25 08:10:23,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3951 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2021-11-25 08:10:25,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:25,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 157 states and 189 transitions. [2021-11-25 08:10:25,092 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 189 transitions. [2021-11-25 08:10:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-25 08:10:25,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:25,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:25,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-25 08:10:25,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4090 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2021-11-25 08:10:26,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:26,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 162 states and 195 transitions. [2021-11-25 08:10:26,582 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 195 transitions. [2021-11-25 08:10:26,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-25 08:10:26,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:26,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:26,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-25 08:10:26,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:27,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4533 backedges. 0 proven. 2146 refuted. 0 times theorem prover too weak. 2387 trivial. 0 not checked. [2021-11-25 08:10:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 167 states and 201 transitions. [2021-11-25 08:10:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2021-11-25 08:10:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-25 08:10:28,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:28,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:28,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-25 08:10:28,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4682 backedges. 0 proven. 2295 refuted. 0 times theorem prover too weak. 2387 trivial. 0 not checked. [2021-11-25 08:10:29,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 172 states and 207 transitions. [2021-11-25 08:10:29,676 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 207 transitions. [2021-11-25 08:10:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-25 08:10:29,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:29,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:29,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-25 08:10:29,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4993 backedges. 0 proven. 2449 refuted. 0 times theorem prover too weak. 2544 trivial. 0 not checked. [2021-11-25 08:10:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 177 states and 213 transitions. [2021-11-25 08:10:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 213 transitions. [2021-11-25 08:10:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-25 08:10:31,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:31,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:31,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-25 08:10:31,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:32,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5481 backedges. 0 proven. 2608 refuted. 0 times theorem prover too weak. 2873 trivial. 0 not checked. [2021-11-25 08:10:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:33,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 182 states and 219 transitions. [2021-11-25 08:10:33,134 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 219 transitions. [2021-11-25 08:10:33,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-25 08:10:33,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:33,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:33,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-25 08:10:33,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5817 backedges. 0 proven. 2772 refuted. 0 times theorem prover too weak. 3045 trivial. 0 not checked. [2021-11-25 08:10:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 187 states and 225 transitions. [2021-11-25 08:10:34,792 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-25 08:10:34,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-25 08:10:34,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:34,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:34,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-25 08:10:34,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:35,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6163 backedges. 0 proven. 2941 refuted. 0 times theorem prover too weak. 3222 trivial. 0 not checked. [2021-11-25 08:10:36,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:36,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 192 states and 231 transitions. [2021-11-25 08:10:36,767 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 231 transitions. [2021-11-25 08:10:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-11-25 08:10:36,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:36,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:36,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-25 08:10:36,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:37,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6519 backedges. 0 proven. 3115 refuted. 0 times theorem prover too weak. 3404 trivial. 0 not checked. [2021-11-25 08:10:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 197 states and 237 transitions. [2021-11-25 08:10:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 237 transitions. [2021-11-25 08:10:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-11-25 08:10:38,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:38,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:38,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-25 08:10:38,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6698 backedges. 0 proven. 3294 refuted. 0 times theorem prover too weak. 3404 trivial. 0 not checked. [2021-11-25 08:10:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 202 states and 243 transitions. [2021-11-25 08:10:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 243 transitions. [2021-11-25 08:10:40,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2021-11-25 08:10:40,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:40,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:40,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-25 08:10:40,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:41,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 0 proven. 3478 refuted. 0 times theorem prover too weak. 3783 trivial. 0 not checked. [2021-11-25 08:10:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:42,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 207 states and 249 transitions. [2021-11-25 08:10:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 249 transitions. [2021-11-25 08:10:42,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-11-25 08:10:42,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:42,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:42,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-25 08:10:42,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:43,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7647 backedges. 0 proven. 3667 refuted. 0 times theorem prover too weak. 3980 trivial. 0 not checked. [2021-11-25 08:10:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 212 states and 255 transitions. [2021-11-25 08:10:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 255 transitions. [2021-11-25 08:10:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-11-25 08:10:44,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:44,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:44,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-25 08:10:44,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 7841 backedges. 0 proven. 3861 refuted. 0 times theorem prover too weak. 3980 trivial. 0 not checked. [2021-11-25 08:10:46,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:46,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 217 states and 261 transitions. [2021-11-25 08:10:46,296 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 261 transitions. [2021-11-25 08:10:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-11-25 08:10:46,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:46,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:46,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-25 08:10:46,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:47,491 INFO L134 CoverageAnalysis]: Checked inductivity of 8449 backedges. 0 proven. 4060 refuted. 0 times theorem prover too weak. 4389 trivial. 0 not checked. [2021-11-25 08:10:48,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 222 states and 267 transitions. [2021-11-25 08:10:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 267 transitions. [2021-11-25 08:10:48,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-25 08:10:48,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:48,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:48,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-25 08:10:48,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8865 backedges. 0 proven. 4264 refuted. 0 times theorem prover too weak. 4601 trivial. 0 not checked. [2021-11-25 08:10:50,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 227 states and 273 transitions. [2021-11-25 08:10:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 273 transitions. [2021-11-25 08:10:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-11-25 08:10:50,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:50,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:50,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-25 08:10:50,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 9074 backedges. 0 proven. 4473 refuted. 0 times theorem prover too weak. 4601 trivial. 0 not checked. [2021-11-25 08:10:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 232 states and 279 transitions. [2021-11-25 08:10:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 279 transitions. [2021-11-25 08:10:52,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2021-11-25 08:10:52,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:52,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:52,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-25 08:10:52,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 9505 backedges. 0 proven. 4687 refuted. 0 times theorem prover too weak. 4818 trivial. 0 not checked. [2021-11-25 08:10:54,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 237 states and 285 transitions. [2021-11-25 08:10:54,625 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 285 transitions. [2021-11-25 08:10:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2021-11-25 08:10:54,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:54,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:54,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-25 08:10:54,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:55,797 INFO L134 CoverageAnalysis]: Checked inductivity of 10173 backedges. 0 proven. 4906 refuted. 0 times theorem prover too weak. 5267 trivial. 0 not checked. [2021-11-25 08:10:56,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:56,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 242 states and 291 transitions. [2021-11-25 08:10:56,690 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 291 transitions. [2021-11-25 08:10:56,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-25 08:10:56,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:56,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:56,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-25 08:10:56,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:57,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10629 backedges. 0 proven. 5130 refuted. 0 times theorem prover too weak. 5499 trivial. 0 not checked. [2021-11-25 08:10:58,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:58,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 247 states and 297 transitions. [2021-11-25 08:10:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 297 transitions. [2021-11-25 08:10:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-11-25 08:10:58,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:58,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:59,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-25 08:10:59,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:00,189 INFO L134 CoverageAnalysis]: Checked inductivity of 11095 backedges. 0 proven. 5359 refuted. 0 times theorem prover too weak. 5736 trivial. 0 not checked. [2021-11-25 08:11:01,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:01,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 252 states and 303 transitions. [2021-11-25 08:11:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 303 transitions. [2021-11-25 08:11:01,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2021-11-25 08:11:01,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:01,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:01,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-25 08:11:01,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 11571 backedges. 0 proven. 5593 refuted. 0 times theorem prover too weak. 5978 trivial. 0 not checked. [2021-11-25 08:11:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 257 states and 309 transitions. [2021-11-25 08:11:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 309 transitions. [2021-11-25 08:11:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-11-25 08:11:03,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:03,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:03,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-25 08:11:03,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:04,614 INFO L134 CoverageAnalysis]: Checked inductivity of 11810 backedges. 0 proven. 5832 refuted. 0 times theorem prover too weak. 5978 trivial. 0 not checked. [2021-11-25 08:11:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 262 states and 315 transitions. [2021-11-25 08:11:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 315 transitions. [2021-11-25 08:11:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-11-25 08:11:05,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:05,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:05,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-25 08:11:05,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 12553 backedges. 0 proven. 6076 refuted. 0 times theorem prover too weak. 6477 trivial. 0 not checked. [2021-11-25 08:11:07,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:07,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 267 states and 321 transitions. [2021-11-25 08:11:07,917 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 321 transitions. [2021-11-25 08:11:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-11-25 08:11:07,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:07,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:08,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-25 08:11:08,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12802 backedges. 0 proven. 6325 refuted. 0 times theorem prover too weak. 6477 trivial. 0 not checked. [2021-11-25 08:11:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:10,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 272 states and 327 transitions. [2021-11-25 08:11:10,453 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 327 transitions. [2021-11-25 08:11:10,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-11-25 08:11:10,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:10,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:10,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-25 08:11:10,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 13575 backedges. 0 proven. 6579 refuted. 0 times theorem prover too weak. 6996 trivial. 0 not checked. [2021-11-25 08:11:13,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 277 states and 333 transitions. [2021-11-25 08:11:13,022 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 333 transitions. [2021-11-25 08:11:13,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2021-11-25 08:11:13,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:13,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:13,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-25 08:11:13,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 13834 backedges. 0 proven. 6838 refuted. 0 times theorem prover too weak. 6996 trivial. 0 not checked. [2021-11-25 08:11:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 282 states and 339 transitions. [2021-11-25 08:11:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 339 transitions. [2021-11-25 08:11:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2021-11-25 08:11:15,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:15,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:15,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-25 08:11:15,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 14365 backedges. 0 proven. 7102 refuted. 0 times theorem prover too weak. 7263 trivial. 0 not checked. [2021-11-25 08:11:18,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:18,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 287 states and 345 transitions. [2021-11-25 08:11:18,001 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 345 transitions. [2021-11-25 08:11:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2021-11-25 08:11:18,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:18,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:18,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-25 08:11:18,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:19,634 INFO L134 CoverageAnalysis]: Checked inductivity of 15183 backedges. 0 proven. 7371 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2021-11-25 08:11:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 292 states and 351 transitions. [2021-11-25 08:11:20,739 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 351 transitions. [2021-11-25 08:11:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2021-11-25 08:11:20,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:20,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:20,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-25 08:11:20,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 15739 backedges. 0 proven. 7645 refuted. 0 times theorem prover too weak. 8094 trivial. 0 not checked. [2021-11-25 08:11:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 297 states and 357 transitions. [2021-11-25 08:11:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 357 transitions. [2021-11-25 08:11:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2021-11-25 08:11:23,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:23,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:23,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-25 08:11:23,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 16018 backedges. 0 proven. 7924 refuted. 0 times theorem prover too weak. 8094 trivial. 0 not checked. [2021-11-25 08:11:26,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 302 states and 363 transitions. [2021-11-25 08:11:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 363 transitions. [2021-11-25 08:11:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2021-11-25 08:11:26,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:26,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:26,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-25 08:11:26,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 16589 backedges. 0 proven. 8208 refuted. 0 times theorem prover too weak. 8381 trivial. 0 not checked. [2021-11-25 08:11:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 307 states and 369 transitions. [2021-11-25 08:11:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 369 transitions. [2021-11-25 08:11:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2021-11-25 08:11:28,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:28,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:29,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-25 08:11:29,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 17170 backedges. 0 proven. 8497 refuted. 0 times theorem prover too weak. 8673 trivial. 0 not checked. [2021-11-25 08:11:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 312 states and 375 transitions. [2021-11-25 08:11:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 375 transitions. [2021-11-25 08:11:31,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2021-11-25 08:11:31,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:31,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:31,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-25 08:11:31,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 17761 backedges. 0 proven. 8791 refuted. 0 times theorem prover too weak. 8970 trivial. 0 not checked. [2021-11-25 08:11:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:34,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 317 states and 381 transitions. [2021-11-25 08:11:34,356 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 381 transitions. [2021-11-25 08:11:34,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2021-11-25 08:11:34,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:34,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:34,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-25 08:11:34,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 18362 backedges. 0 proven. 9090 refuted. 0 times theorem prover too weak. 9272 trivial. 0 not checked. [2021-11-25 08:11:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 322 states and 387 transitions. [2021-11-25 08:11:37,167 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 387 transitions. [2021-11-25 08:11:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2021-11-25 08:11:37,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:37,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:37,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-25 08:11:37,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:38,795 INFO L134 CoverageAnalysis]: Checked inductivity of 18973 backedges. 0 proven. 9394 refuted. 0 times theorem prover too weak. 9579 trivial. 0 not checked. [2021-11-25 08:11:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 327 states and 393 transitions. [2021-11-25 08:11:40,119 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 393 transitions. [2021-11-25 08:11:40,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2021-11-25 08:11:40,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:40,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:40,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1473 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-25 08:11:40,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 19594 backedges. 0 proven. 9703 refuted. 0 times theorem prover too weak. 9891 trivial. 0 not checked. [2021-11-25 08:11:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 332 states and 399 transitions. [2021-11-25 08:11:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 399 transitions. [2021-11-25 08:11:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2021-11-25 08:11:43,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:43,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:43,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 1496 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-25 08:11:43,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 20225 backedges. 0 proven. 10017 refuted. 0 times theorem prover too weak. 10208 trivial. 0 not checked. [2021-11-25 08:11:46,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 337 states and 405 transitions. [2021-11-25 08:11:46,144 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 405 transitions. [2021-11-25 08:11:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2021-11-25 08:11:46,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:46,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:46,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-25 08:11:46,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 21193 backedges. 0 proven. 10336 refuted. 0 times theorem prover too weak. 10857 trivial. 0 not checked. [2021-11-25 08:11:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:49,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 342 states and 411 transitions. [2021-11-25 08:11:49,190 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 411 transitions. [2021-11-25 08:11:49,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2021-11-25 08:11:49,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:49,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:49,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-25 08:11:49,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 21517 backedges. 0 proven. 10660 refuted. 0 times theorem prover too weak. 10857 trivial. 0 not checked. [2021-11-25 08:11:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 347 states and 417 transitions. [2021-11-25 08:11:52,272 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 417 transitions. [2021-11-25 08:11:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-11-25 08:11:52,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:52,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:52,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1579 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-25 08:11:52,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 22515 backedges. 0 proven. 10989 refuted. 0 times theorem prover too weak. 11526 trivial. 0 not checked. [2021-11-25 08:11:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:55,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 352 states and 423 transitions. [2021-11-25 08:11:55,424 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 423 transitions. [2021-11-25 08:11:55,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 691 [2021-11-25 08:11:55,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:55,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:55,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-25 08:11:55,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:57,198 INFO L134 CoverageAnalysis]: Checked inductivity of 23191 backedges. 0 proven. 11323 refuted. 0 times theorem prover too weak. 11868 trivial. 0 not checked. [2021-11-25 08:11:58,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:58,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 357 states and 429 transitions. [2021-11-25 08:11:58,586 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 429 transitions. [2021-11-25 08:11:58,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2021-11-25 08:11:58,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:58,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:58,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1611 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-25 08:11:58,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 23530 backedges. 0 proven. 11662 refuted. 0 times theorem prover too weak. 11868 trivial. 0 not checked. [2021-11-25 08:12:01,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 362 states and 435 transitions. [2021-11-25 08:12:01,843 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 435 transitions. [2021-11-25 08:12:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2021-11-25 08:12:01,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:01,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:02,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-25 08:12:02,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 24573 backedges. 0 proven. 12006 refuted. 0 times theorem prover too weak. 12567 trivial. 0 not checked. [2021-11-25 08:12:05,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 367 states and 441 transitions. [2021-11-25 08:12:05,223 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 441 transitions. [2021-11-25 08:12:05,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2021-11-25 08:12:05,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:05,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:05,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 1657 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-25 08:12:05,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:07,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24922 backedges. 0 proven. 12355 refuted. 0 times theorem prover too weak. 12567 trivial. 0 not checked. [2021-11-25 08:12:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:08,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 372 states and 447 transitions. [2021-11-25 08:12:08,570 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 447 transitions. [2021-11-25 08:12:08,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2021-11-25 08:12:08,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:08,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:08,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 1694 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-25 08:12:08,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:10,473 INFO L134 CoverageAnalysis]: Checked inductivity of 25995 backedges. 0 proven. 12709 refuted. 0 times theorem prover too weak. 13286 trivial. 0 not checked. [2021-11-25 08:12:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 377 states and 453 transitions. [2021-11-25 08:12:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 453 transitions. [2021-11-25 08:12:12,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2021-11-25 08:12:12,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:12,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:12,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 1717 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-25 08:12:12,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 26721 backedges. 0 proven. 13068 refuted. 0 times theorem prover too weak. 13653 trivial. 0 not checked. [2021-11-25 08:12:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 382 states and 459 transitions. [2021-11-25 08:12:15,471 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 459 transitions. [2021-11-25 08:12:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2021-11-25 08:12:15,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:15,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:15,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 1726 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-25 08:12:15,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 27085 backedges. 0 proven. 13432 refuted. 0 times theorem prover too weak. 13653 trivial. 0 not checked. [2021-11-25 08:12:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:19,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 387 states and 465 transitions. [2021-11-25 08:12:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 465 transitions. [2021-11-25 08:12:19,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2021-11-25 08:12:19,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:19,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:19,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 1763 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-25 08:12:19,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 28203 backedges. 0 proven. 13801 refuted. 0 times theorem prover too weak. 14402 trivial. 0 not checked. [2021-11-25 08:12:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 392 states and 471 transitions. [2021-11-25 08:12:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 471 transitions. [2021-11-25 08:12:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2021-11-25 08:12:22,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:22,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:22,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1786 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-25 08:12:22,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 28959 backedges. 0 proven. 14175 refuted. 0 times theorem prover too weak. 14784 trivial. 0 not checked. [2021-11-25 08:12:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 397 states and 477 transitions. [2021-11-25 08:12:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 477 transitions. [2021-11-25 08:12:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2021-11-25 08:12:26,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:26,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:26,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1795 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-25 08:12:26,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:28,230 INFO L134 CoverageAnalysis]: Checked inductivity of 29338 backedges. 0 proven. 14554 refuted. 0 times theorem prover too weak. 14784 trivial. 0 not checked. [2021-11-25 08:12:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 402 states and 483 transitions. [2021-11-25 08:12:29,873 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 483 transitions. [2021-11-25 08:12:29,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2021-11-25 08:12:29,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:29,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:30,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-25 08:12:30,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:32,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30501 backedges. 0 proven. 14938 refuted. 0 times theorem prover too weak. 15563 trivial. 0 not checked. [2021-11-25 08:12:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 407 states and 489 transitions. [2021-11-25 08:12:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 489 transitions. [2021-11-25 08:12:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2021-11-25 08:12:33,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:33,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:34,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-25 08:12:34,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:35,996 INFO L134 CoverageAnalysis]: Checked inductivity of 31287 backedges. 0 proven. 15327 refuted. 0 times theorem prover too weak. 15960 trivial. 0 not checked. [2021-11-25 08:12:37,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:37,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 412 states and 495 transitions. [2021-11-25 08:12:37,614 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 495 transitions. [2021-11-25 08:12:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2021-11-25 08:12:37,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:37,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:37,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-25 08:12:37,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 32083 backedges. 0 proven. 15721 refuted. 0 times theorem prover too weak. 16362 trivial. 0 not checked. [2021-11-25 08:12:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:41,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 417 states and 501 transitions. [2021-11-25 08:12:41,511 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 501 transitions. [2021-11-25 08:12:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2021-11-25 08:12:41,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:41,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:41,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 1901 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-25 08:12:41,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 32889 backedges. 0 proven. 16120 refuted. 0 times theorem prover too weak. 16769 trivial. 0 not checked. [2021-11-25 08:12:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 422 states and 507 transitions. [2021-11-25 08:12:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 507 transitions. [2021-11-25 08:12:45,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2021-11-25 08:12:45,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:45,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:45,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 1910 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-25 08:12:45,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 33293 backedges. 0 proven. 16524 refuted. 0 times theorem prover too weak. 16769 trivial. 0 not checked. [2021-11-25 08:12:49,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 427 states and 513 transitions. [2021-11-25 08:12:49,250 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 513 transitions. [2021-11-25 08:12:49,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2021-11-25 08:12:49,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:49,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:49,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-25 08:12:49,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:51,424 INFO L134 CoverageAnalysis]: Checked inductivity of 34531 backedges. 0 proven. 16933 refuted. 0 times theorem prover too weak. 17598 trivial. 0 not checked. [2021-11-25 08:12:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:53,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 432 states and 519 transitions. [2021-11-25 08:12:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 519 transitions. [2021-11-25 08:12:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 851 [2021-11-25 08:12:53,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:53,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:53,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-25 08:12:53,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 35367 backedges. 0 proven. 17347 refuted. 0 times theorem prover too weak. 18020 trivial. 0 not checked. [2021-11-25 08:12:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:57,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 437 states and 525 transitions. [2021-11-25 08:12:57,266 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 525 transitions. [2021-11-25 08:12:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2021-11-25 08:12:57,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:57,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:57,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 1993 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-25 08:12:57,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 36213 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 18447 trivial. 0 not checked. [2021-11-25 08:13:01,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:01,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 442 states and 531 transitions. [2021-11-25 08:13:01,460 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 531 transitions. [2021-11-25 08:13:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2021-11-25 08:13:01,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:01,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:01,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 2002 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-25 08:13:01,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 36637 backedges. 0 proven. 18190 refuted. 0 times theorem prover too weak. 18447 trivial. 0 not checked. [2021-11-25 08:13:05,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:05,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 447 states and 537 transitions. [2021-11-25 08:13:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 537 transitions. [2021-11-25 08:13:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2021-11-25 08:13:05,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:05,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:05,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-25 08:13:05,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:07,895 INFO L134 CoverageAnalysis]: Checked inductivity of 37935 backedges. 0 proven. 18619 refuted. 0 times theorem prover too weak. 19316 trivial. 0 not checked. [2021-11-25 08:13:09,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:09,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 452 states and 543 transitions. [2021-11-25 08:13:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 543 transitions. [2021-11-25 08:13:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2021-11-25 08:13:09,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:09,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:10,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 2062 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-25 08:13:10,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 38811 backedges. 0 proven. 19053 refuted. 0 times theorem prover too weak. 19758 trivial. 0 not checked. [2021-11-25 08:13:13,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 457 states and 549 transitions. [2021-11-25 08:13:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 549 transitions. [2021-11-25 08:13:13,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2021-11-25 08:13:13,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:13,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:14,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-25 08:13:14,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:16,351 INFO L134 CoverageAnalysis]: Checked inductivity of 39697 backedges. 0 proven. 19492 refuted. 0 times theorem prover too weak. 20205 trivial. 0 not checked. [2021-11-25 08:13:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 462 states and 555 transitions. [2021-11-25 08:13:18,231 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 555 transitions. [2021-11-25 08:13:18,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 911 [2021-11-25 08:13:18,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:18,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:18,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 2108 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-25 08:13:18,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 40593 backedges. 0 proven. 19936 refuted. 0 times theorem prover too weak. 20657 trivial. 0 not checked. [2021-11-25 08:13:22,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:22,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 467 states and 561 transitions. [2021-11-25 08:13:22,620 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 561 transitions. [2021-11-25 08:13:22,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 916 [2021-11-25 08:13:22,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:22,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:22,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 2117 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-25 08:13:22,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 41042 backedges. 0 proven. 20385 refuted. 0 times theorem prover too weak. 20657 trivial. 0 not checked. [2021-11-25 08:13:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 472 states and 567 transitions. [2021-11-25 08:13:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 567 transitions. [2021-11-25 08:13:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 926 [2021-11-25 08:13:27,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:27,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:27,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-25 08:13:27,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 41953 backedges. 0 proven. 20839 refuted. 0 times theorem prover too weak. 21114 trivial. 0 not checked. [2021-11-25 08:13:31,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:31,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 477 states and 573 transitions. [2021-11-25 08:13:31,529 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 573 transitions. [2021-11-25 08:13:31,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2021-11-25 08:13:31,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:31,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:31,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-25 08:13:31,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 43341 backedges. 0 proven. 21298 refuted. 0 times theorem prover too weak. 22043 trivial. 0 not checked. [2021-11-25 08:13:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:35,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 482 states and 579 transitions. [2021-11-25 08:13:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 579 transitions. [2021-11-25 08:13:35,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 946 [2021-11-25 08:13:35,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:35,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:36,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 2186 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-25 08:13:36,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:38,632 INFO L134 CoverageAnalysis]: Checked inductivity of 43805 backedges. 0 proven. 21762 refuted. 0 times theorem prover too weak. 22043 trivial. 0 not checked. [2021-11-25 08:13:40,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 487 states and 585 transitions. [2021-11-25 08:13:40,631 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 585 transitions. [2021-11-25 08:13:40,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2021-11-25 08:13:40,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:40,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:40,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 2209 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-25 08:13:40,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 44746 backedges. 0 proven. 22231 refuted. 0 times theorem prover too weak. 22515 trivial. 0 not checked. [2021-11-25 08:13:45,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:45,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 492 states and 591 transitions. [2021-11-25 08:13:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 591 transitions. [2021-11-25 08:13:45,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 966 [2021-11-25 08:13:45,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:45,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:45,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-25 08:13:45,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 45697 backedges. 0 proven. 22705 refuted. 0 times theorem prover too weak. 22992 trivial. 0 not checked. [2021-11-25 08:13:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 497 states and 597 transitions. [2021-11-25 08:13:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 597 transitions. [2021-11-25 08:13:49,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2021-11-25 08:13:49,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:49,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:50,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 2269 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-25 08:13:50,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:52,554 INFO L134 CoverageAnalysis]: Checked inductivity of 47145 backedges. 0 proven. 23184 refuted. 0 times theorem prover too weak. 23961 trivial. 0 not checked. [2021-11-25 08:13:54,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:54,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 502 states and 603 transitions. [2021-11-25 08:13:54,624 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 603 transitions. [2021-11-25 08:13:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2021-11-25 08:13:54,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:54,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:54,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 2278 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-25 08:13:54,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 47629 backedges. 0 proven. 23668 refuted. 0 times theorem prover too weak. 23961 trivial. 0 not checked. [2021-11-25 08:13:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 507 states and 609 transitions. [2021-11-25 08:13:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 609 transitions. [2021-11-25 08:13:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2021-11-25 08:13:59,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:59,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:59,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 2315 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-25 08:13:59,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 49107 backedges. 0 proven. 24157 refuted. 0 times theorem prover too weak. 24950 trivial. 0 not checked. [2021-11-25 08:14:04,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:04,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 512 states and 615 transitions. [2021-11-25 08:14:04,239 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 615 transitions. [2021-11-25 08:14:04,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1011 [2021-11-25 08:14:04,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:04,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:04,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 2338 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-25 08:14:04,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 50103 backedges. 0 proven. 24651 refuted. 0 times theorem prover too weak. 25452 trivial. 0 not checked. [2021-11-25 08:14:09,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 517 states and 621 transitions. [2021-11-25 08:14:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 621 transitions. [2021-11-25 08:14:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1016 [2021-11-25 08:14:09,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:09,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:09,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 2347 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-25 08:14:09,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 50602 backedges. 0 proven. 25150 refuted. 0 times theorem prover too weak. 25452 trivial. 0 not checked. [2021-11-25 08:14:14,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 522 states and 627 transitions. [2021-11-25 08:14:14,156 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 627 transitions. [2021-11-25 08:14:14,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1026 [2021-11-25 08:14:14,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:14,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:14,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-25 08:14:14,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 51613 backedges. 0 proven. 25654 refuted. 0 times theorem prover too weak. 25959 trivial. 0 not checked. [2021-11-25 08:14:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 527 states and 633 transitions. [2021-11-25 08:14:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 633 transitions. [2021-11-25 08:14:19,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2021-11-25 08:14:19,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:19,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:19,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 2407 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-25 08:14:19,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 53151 backedges. 0 proven. 26163 refuted. 0 times theorem prover too weak. 26988 trivial. 0 not checked. [2021-11-25 08:14:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 532 states and 639 transitions. [2021-11-25 08:14:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 639 transitions. [2021-11-25 08:14:24,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1046 [2021-11-25 08:14:24,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:24,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:24,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 2416 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-25 08:14:24,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 53665 backedges. 0 proven. 26677 refuted. 0 times theorem prover too weak. 26988 trivial. 0 not checked. [2021-11-25 08:14:29,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 537 states and 645 transitions. [2021-11-25 08:14:29,580 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 645 transitions. [2021-11-25 08:14:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2021-11-25 08:14:29,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:29,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:29,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 2453 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-25 08:14:29,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 55233 backedges. 0 proven. 27196 refuted. 0 times theorem prover too weak. 28037 trivial. 0 not checked. [2021-11-25 08:14:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 542 states and 651 transitions. [2021-11-25 08:14:34,890 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 651 transitions. [2021-11-25 08:14:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1066 [2021-11-25 08:14:34,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:34,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:35,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 2462 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-25 08:14:35,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 55757 backedges. 0 proven. 27720 refuted. 0 times theorem prover too weak. 28037 trivial. 0 not checked. [2021-11-25 08:14:40,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:40,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 547 states and 657 transitions. [2021-11-25 08:14:40,109 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 657 transitions. [2021-11-25 08:14:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1081 [2021-11-25 08:14:40,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:40,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:40,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 2499 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-25 08:14:40,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 57355 backedges. 0 proven. 28249 refuted. 0 times theorem prover too weak. 29106 trivial. 0 not checked. [2021-11-25 08:14:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 552 states and 663 transitions. [2021-11-25 08:14:45,448 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 663 transitions. [2021-11-25 08:14:45,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2021-11-25 08:14:45,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:45,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:45,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 2522 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-25 08:14:45,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:48,459 INFO L134 CoverageAnalysis]: Checked inductivity of 58431 backedges. 0 proven. 28783 refuted. 0 times theorem prover too weak. 29648 trivial. 0 not checked. [2021-11-25 08:14:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 557 states and 669 transitions. [2021-11-25 08:14:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 669 transitions. [2021-11-25 08:14:50,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2021-11-25 08:14:50,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:50,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:51,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 2545 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-25 08:14:51,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 59517 backedges. 0 proven. 29322 refuted. 0 times theorem prover too weak. 30195 trivial. 0 not checked. [2021-11-25 08:14:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 562 states and 675 transitions. [2021-11-25 08:14:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 675 transitions. [2021-11-25 08:14:56,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1111 [2021-11-25 08:14:56,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:56,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:56,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 2568 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-25 08:14:56,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 60613 backedges. 0 proven. 29866 refuted. 0 times theorem prover too weak. 30747 trivial. 0 not checked. [2021-11-25 08:15:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 567 states and 681 transitions. [2021-11-25 08:15:01,970 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 681 transitions. [2021-11-25 08:15:01,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2021-11-25 08:15:01,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:01,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:02,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 2591 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-25 08:15:02,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 61719 backedges. 0 proven. 30415 refuted. 0 times theorem prover too weak. 31304 trivial. 0 not checked. [2021-11-25 08:15:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 572 states and 687 transitions. [2021-11-25 08:15:07,422 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 687 transitions. [2021-11-25 08:15:07,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2021-11-25 08:15:07,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:07,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:07,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 2600 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-25 08:15:07,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 62273 backedges. 0 proven. 30969 refuted. 0 times theorem prover too weak. 31304 trivial. 0 not checked. [2021-11-25 08:15:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:13,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 577 states and 693 transitions. [2021-11-25 08:15:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 693 transitions. [2021-11-25 08:15:13,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1141 [2021-11-25 08:15:13,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:13,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:13,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 2637 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-25 08:15:13,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 63961 backedges. 0 proven. 31528 refuted. 0 times theorem prover too weak. 32433 trivial. 0 not checked. [2021-11-25 08:15:18,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 582 states and 699 transitions. [2021-11-25 08:15:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 699 transitions. [2021-11-25 08:15:18,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2021-11-25 08:15:18,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:18,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:19,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 2660 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-25 08:15:19,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 65097 backedges. 0 proven. 32092 refuted. 0 times theorem prover too weak. 33005 trivial. 0 not checked. [2021-11-25 08:15:24,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:24,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 587 states and 705 transitions. [2021-11-25 08:15:24,497 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 705 transitions. [2021-11-25 08:15:24,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1156 [2021-11-25 08:15:24,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:24,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:24,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 2669 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-25 08:15:24,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:27,846 INFO L134 CoverageAnalysis]: Checked inductivity of 65666 backedges. 0 proven. 32661 refuted. 0 times theorem prover too weak. 33005 trivial. 0 not checked. [2021-11-25 08:15:30,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 592 states and 711 transitions. [2021-11-25 08:15:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 711 transitions. [2021-11-25 08:15:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1166 [2021-11-25 08:15:30,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:30,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:30,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-25 08:15:30,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 66817 backedges. 0 proven. 33235 refuted. 0 times theorem prover too weak. 33582 trivial. 0 not checked. [2021-11-25 08:15:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 597 states and 717 transitions. [2021-11-25 08:15:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 717 transitions. [2021-11-25 08:15:36,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1181 [2021-11-25 08:15:36,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:36,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:36,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 2729 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-25 08:15:36,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:39,666 INFO L134 CoverageAnalysis]: Checked inductivity of 68565 backedges. 0 proven. 33814 refuted. 0 times theorem prover too weak. 34751 trivial. 0 not checked. [2021-11-25 08:15:42,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 602 states and 723 transitions. [2021-11-25 08:15:42,322 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 723 transitions. [2021-11-25 08:15:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1191 [2021-11-25 08:15:42,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:42,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:42,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-25 08:15:42,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:45,636 INFO L134 CoverageAnalysis]: Checked inductivity of 69741 backedges. 0 proven. 34398 refuted. 0 times theorem prover too weak. 35343 trivial. 0 not checked. [2021-11-25 08:15:48,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:48,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 607 states and 729 transitions. [2021-11-25 08:15:48,505 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 729 transitions. [2021-11-25 08:15:48,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1201 [2021-11-25 08:15:48,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:48,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:48,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 2775 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-25 08:15:48,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 70927 backedges. 0 proven. 34987 refuted. 0 times theorem prover too weak. 35940 trivial. 0 not checked. [2021-11-25 08:15:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 612 states and 735 transitions. [2021-11-25 08:15:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 735 transitions. [2021-11-25 08:15:54,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1206 [2021-11-25 08:15:54,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:54,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:55,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 2784 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-25 08:15:55,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 71521 backedges. 0 proven. 35581 refuted. 0 times theorem prover too weak. 35940 trivial. 0 not checked. [2021-11-25 08:16:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:00,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 617 states and 741 transitions. [2021-11-25 08:16:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 741 transitions. [2021-11-25 08:16:00,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1221 [2021-11-25 08:16:00,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:00,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:16:01,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 2821 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-25 08:16:01,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:16:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 73329 backedges. 0 proven. 36180 refuted. 0 times theorem prover too weak. 37149 trivial. 0 not checked. [2021-11-25 08:16:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 622 states and 747 transitions. [2021-11-25 08:16:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 747 transitions. [2021-11-25 08:16:07,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1226 [2021-11-25 08:16:07,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:07,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:16:07,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 2830 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-25 08:16:07,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:16:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 73933 backedges. 0 proven. 36784 refuted. 0 times theorem prover too weak. 37149 trivial. 0 not checked. [2021-11-25 08:16:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 627 states and 753 transitions. [2021-11-25 08:16:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 753 transitions. [2021-11-25 08:16:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1236 [2021-11-25 08:16:13,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:13,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:16:14,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 2853 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-25 08:16:14,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:16:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 75154 backedges. 0 proven. 37393 refuted. 0 times theorem prover too weak. 37761 trivial. 0 not checked. [2021-11-25 08:16:19,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 632 states and 759 transitions. [2021-11-25 08:16:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 759 transitions. [2021-11-25 08:16:19,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1251 [2021-11-25 08:16:19,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:19,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:16:20,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 2890 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-25 08:16:20,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:16:23,771 INFO L134 CoverageAnalysis]: Checked inductivity of 77007 backedges. 0 proven. 38007 refuted. 0 times theorem prover too weak. 39000 trivial. 0 not checked. [2021-11-25 08:16:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 637 states and 765 transitions. [2021-11-25 08:16:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 765 transitions. [2021-11-25 08:16:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1256 [2021-11-25 08:16:26,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:26,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:16:27,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 2899 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-25 08:16:27,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:16:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 77626 backedges. 0 proven. 38626 refuted. 0 times theorem prover too weak. 39000 trivial. 0 not checked. [2021-11-25 08:16:33,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:33,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 642 states and 771 transitions. [2021-11-25 08:16:33,294 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 771 transitions. [2021-11-25 08:16:33,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1266 [2021-11-25 08:16:33,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:33,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:16:33,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 2922 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-25 08:16:33,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:16:36,948 INFO L134 CoverageAnalysis]: Checked inductivity of 78877 backedges. 0 proven. 39250 refuted. 0 times theorem prover too weak. 39627 trivial. 0 not checked. [2021-11-25 08:16:40,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:40,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 647 states and 777 transitions. [2021-11-25 08:16:40,116 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 777 transitions. [2021-11-25 08:16:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1281 [2021-11-25 08:16:40,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:40,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:16:40,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 2959 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-25 08:16:40,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:16:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 80775 backedges. 0 proven. 39879 refuted. 0 times theorem prover too weak. 40896 trivial. 0 not checked. [2021-11-25 08:16:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:46,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 652 states and 783 transitions. [2021-11-25 08:16:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 783 transitions. [2021-11-25 08:16:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1286 [2021-11-25 08:16:46,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:46,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:16:47,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 2968 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-25 08:16:47,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:16:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 81409 backedges. 0 proven. 40513 refuted. 0 times theorem prover too weak. 40896 trivial. 0 not checked. [2021-11-25 08:16:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 657 states and 789 transitions. [2021-11-25 08:16:54,390 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 789 transitions. [2021-11-25 08:16:54,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1301 [2021-11-25 08:16:54,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:54,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:16:54,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 3005 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-25 08:16:54,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:16:58,195 INFO L134 CoverageAnalysis]: Checked inductivity of 83337 backedges. 0 proven. 41152 refuted. 0 times theorem prover too weak. 42185 trivial. 0 not checked. [2021-11-25 08:17:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:17:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 662 states and 795 transitions. [2021-11-25 08:17:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 795 transitions. [2021-11-25 08:17:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1306 [2021-11-25 08:17:01,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:17:01,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:17:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:17:02,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 3014 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-25 08:17:02,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:17:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 83981 backedges. 0 proven. 41796 refuted. 0 times theorem prover too weak. 42185 trivial. 0 not checked. [2021-11-25 08:17:08,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:17:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 667 states and 801 transitions. [2021-11-25 08:17:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 801 transitions. [2021-11-25 08:17:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1316 [2021-11-25 08:17:08,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:17:08,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:17:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:17:09,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 3037 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-25 08:17:09,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:17:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 85282 backedges. 0 proven. 42445 refuted. 0 times theorem prover too weak. 42837 trivial. 0 not checked. [2021-11-25 08:17:16,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:17:16,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 672 states and 807 transitions. [2021-11-25 08:17:16,607 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 807 transitions. [2021-11-25 08:17:16,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1331 [2021-11-25 08:17:16,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:17:16,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:17:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:17:17,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 3074 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-25 08:17:17,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:17:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 87255 backedges. 0 proven. 43099 refuted. 0 times theorem prover too weak. 44156 trivial. 0 not checked. [2021-11-25 08:17:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:17:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 677 states and 813 transitions. [2021-11-25 08:17:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 813 transitions. [2021-11-25 08:17:24,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1341 [2021-11-25 08:17:24,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:17:24,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:17:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:17:25,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 3097 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-25 08:17:25,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:17:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 88581 backedges. 0 proven. 43758 refuted. 0 times theorem prover too weak. 44823 trivial. 0 not checked. [2021-11-25 08:17:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:17:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 682 states and 819 transitions. [2021-11-25 08:17:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 819 transitions. [2021-11-25 08:17:32,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1351 [2021-11-25 08:17:32,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:17:32,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:17:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:17:33,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 3120 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-25 08:17:33,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:17:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 89917 backedges. 0 proven. 44422 refuted. 0 times theorem prover too weak. 45495 trivial. 0 not checked. [2021-11-25 08:17:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:17:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 687 states and 825 transitions. [2021-11-25 08:17:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 825 transitions. [2021-11-25 08:17:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1361 [2021-11-25 08:17:42,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:17:42,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:17:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:17:42,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 3143 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-25 08:17:42,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:17:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 91263 backedges. 0 proven. 45091 refuted. 0 times theorem prover too weak. 46172 trivial. 0 not checked. [2021-11-25 08:17:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:17:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 692 states and 831 transitions. [2021-11-25 08:17:51,740 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 831 transitions. [2021-11-25 08:17:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1371 [2021-11-25 08:17:51,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:17:51,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:17:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:17:52,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 3166 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-25 08:17:52,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:17:56,203 INFO L134 CoverageAnalysis]: Checked inductivity of 92619 backedges. 0 proven. 45765 refuted. 0 times theorem prover too weak. 46854 trivial. 0 not checked. [2021-11-25 08:18:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:18:00,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 697 states and 837 transitions. [2021-11-25 08:18:00,292 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 837 transitions. [2021-11-25 08:18:00,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1381 [2021-11-25 08:18:00,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:18:00,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:18:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:18:00,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 3189 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-25 08:18:00,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:18:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 93985 backedges. 0 proven. 46444 refuted. 0 times theorem prover too weak. 47541 trivial. 0 not checked. [2021-11-25 08:18:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:18:09,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 702 states and 843 transitions. [2021-11-25 08:18:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 843 transitions. [2021-11-25 08:18:09,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1391 [2021-11-25 08:18:09,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:18:09,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:18:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:18:10,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 3212 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-25 08:18:10,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:18:15,001 INFO L134 CoverageAnalysis]: Checked inductivity of 95361 backedges. 0 proven. 47128 refuted. 0 times theorem prover too weak. 48233 trivial. 0 not checked. [2021-11-25 08:18:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:18:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 707 states and 849 transitions. [2021-11-25 08:18:19,528 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 849 transitions. [2021-11-25 08:18:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1396 [2021-11-25 08:18:19,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:18:19,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:18:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:18:20,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 3221 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-25 08:18:20,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:18:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 96050 backedges. 0 proven. 47817 refuted. 0 times theorem prover too weak. 48233 trivial. 0 not checked. [2021-11-25 08:18:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:18:27,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 712 states and 855 transitions. [2021-11-25 08:18:27,346 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 855 transitions. [2021-11-25 08:18:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1411 [2021-11-25 08:18:27,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:18:27,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:18:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:18:27,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 3258 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-25 08:18:27,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:18:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 98143 backedges. 0 proven. 48511 refuted. 0 times theorem prover too weak. 49632 trivial. 0 not checked. [2021-11-25 08:18:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:18:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 717 states and 861 transitions. [2021-11-25 08:18:35,261 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 861 transitions. [2021-11-25 08:18:35,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1421 [2021-11-25 08:18:35,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:18:35,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:18:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:18:35,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 3281 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-25 08:18:35,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:18:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 99549 backedges. 0 proven. 49210 refuted. 0 times theorem prover too weak. 50339 trivial. 0 not checked. [2021-11-25 08:18:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:18:43,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 722 states and 867 transitions. [2021-11-25 08:18:43,275 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 867 transitions. [2021-11-25 08:18:43,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1431 [2021-11-25 08:18:43,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:18:43,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:18:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:18:43,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 3304 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-25 08:18:43,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:18:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 100965 backedges. 0 proven. 49914 refuted. 0 times theorem prover too weak. 51051 trivial. 0 not checked. [2021-11-25 08:18:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:18:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 727 states and 873 transitions. [2021-11-25 08:18:51,334 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 873 transitions. [2021-11-25 08:18:51,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1441 [2021-11-25 08:18:51,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:18:51,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:18:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:18:51,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 3327 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-25 08:18:51,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:18:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 102391 backedges. 0 proven. 50623 refuted. 0 times theorem prover too weak. 51768 trivial. 0 not checked. [2021-11-25 08:18:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:18:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 732 states and 879 transitions. [2021-11-25 08:18:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 879 transitions. [2021-11-25 08:18:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1451 [2021-11-25 08:18:59,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:18:59,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:18:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:18:59,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 3350 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-25 08:18:59,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:19:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 103827 backedges. 0 proven. 51337 refuted. 0 times theorem prover too weak. 52490 trivial. 0 not checked. [2021-11-25 08:19:07,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:19:07,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 737 states and 885 transitions. [2021-11-25 08:19:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 885 transitions. [2021-11-25 08:19:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1461 [2021-11-25 08:19:07,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:19:07,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:19:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:19:07,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 3373 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-25 08:19:07,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:19:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 105273 backedges. 0 proven. 52056 refuted. 0 times theorem prover too weak. 53217 trivial. 0 not checked. [2021-11-25 08:19:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:19:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 742 states and 891 transitions. [2021-11-25 08:19:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 891 transitions. [2021-11-25 08:19:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1466 [2021-11-25 08:19:16,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:19:16,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:19:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:19:17,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 3382 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-25 08:19:17,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:19:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 105997 backedges. 0 proven. 52780 refuted. 0 times theorem prover too weak. 53217 trivial. 0 not checked. [2021-11-25 08:19:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:19:25,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 747 states and 897 transitions. [2021-11-25 08:19:25,784 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 897 transitions. [2021-11-25 08:19:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1476 [2021-11-25 08:19:25,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:19:25,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:19:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:19:26,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 3405 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-25 08:19:26,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:19:30,545 INFO L134 CoverageAnalysis]: Checked inductivity of 107458 backedges. 0 proven. 53509 refuted. 0 times theorem prover too weak. 53949 trivial. 0 not checked. [2021-11-25 08:19:34,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:19:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 752 states and 903 transitions. [2021-11-25 08:19:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 903 transitions. [2021-11-25 08:19:34,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1491 [2021-11-25 08:19:34,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:19:34,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:19:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:19:35,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 3442 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-25 08:19:35,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:19:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 109671 backedges. 0 proven. 54243 refuted. 0 times theorem prover too weak. 55428 trivial. 0 not checked. [2021-11-25 08:19:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:19:44,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 757 states and 909 transitions. [2021-11-25 08:19:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 909 transitions. [2021-11-25 08:19:44,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1501 [2021-11-25 08:19:44,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:19:44,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:19:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:19:45,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 3465 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-25 08:19:45,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:19:49,445 INFO L134 CoverageAnalysis]: Checked inductivity of 111157 backedges. 0 proven. 54982 refuted. 0 times theorem prover too weak. 56175 trivial. 0 not checked. [2021-11-25 08:19:53,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:19:53,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 762 states and 915 transitions. [2021-11-25 08:19:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 915 transitions. [2021-11-25 08:19:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1511 [2021-11-25 08:19:53,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:19:53,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:19:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:19:54,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 3488 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-25 08:19:54,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:19:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 112653 backedges. 0 proven. 55726 refuted. 0 times theorem prover too weak. 56927 trivial. 0 not checked. [2021-11-25 08:20:03,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:20:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 767 states and 921 transitions. [2021-11-25 08:20:03,673 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 921 transitions. [2021-11-25 08:20:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1516 [2021-11-25 08:20:03,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:20:03,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:20:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:20:04,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 3497 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-25 08:20:04,354 INFO L286 TraceCheckSpWp]: Computing forward predicates...