./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-simple/nested_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a30debb45adf4eb2040807436dec0136066a492a6c11eb0dbebd1f179f328d9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:49:43,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:49:43,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:49:44,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:49:44,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:49:44,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:49:44,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:49:44,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:49:44,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:49:44,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:49:44,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:49:44,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:49:44,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:49:44,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:49:44,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:49:44,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:49:44,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:49:44,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:49:44,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:49:44,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:49:44,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:49:44,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:49:44,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:49:44,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:49:44,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:49:44,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:49:44,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:49:44,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:49:44,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:49:44,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:49:44,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:49:44,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:49:44,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:49:44,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:49:44,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:49:44,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:49:44,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:49:44,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:49:44,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:49:44,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:49:44,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:49:44,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:49:44,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:49:44,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:49:44,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:49:44,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:49:44,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:49:44,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:49:44,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:49:44,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:49:44,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:49:44,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:49:44,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:49:44,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:49:44,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:49:44,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:49:44,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:49:44,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:49:44,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:49:44,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:49:44,159 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:49:44,159 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:49:44,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:49:44,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:44,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:49:44,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:49:44,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:49:44,160 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:49:44,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:49:44,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:49:44,161 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_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a30debb45adf4eb2040807436dec0136066a492a6c11eb0dbebd1f179f328d9 [2021-11-23 00:49:44,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:49:44,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:49:44,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:49:44,504 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:49:44,505 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:49:44,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-simple/nested_3.c [2021-11-23 00:49:44,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/data/fd2ded7d6/4ee7d49d4f0246acaf808d9c1fe3126f/FLAG70d0a2cd2 [2021-11-23 00:49:45,085 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:49:45,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/sv-benchmarks/c/loop-simple/nested_3.c [2021-11-23 00:49:45,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/data/fd2ded7d6/4ee7d49d4f0246acaf808d9c1fe3126f/FLAG70d0a2cd2 [2021-11-23 00:49:45,441 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/data/fd2ded7d6/4ee7d49d4f0246acaf808d9c1fe3126f [2021-11-23 00:49:45,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:49:45,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:49:45,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:45,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:49:45,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:49:45,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158e3979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45, skipping insertion in model container [2021-11-23 00:49:45,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:49:45,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:49:45,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/sv-benchmarks/c/loop-simple/nested_3.c[784,797] [2021-11-23 00:49:45,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:45,685 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:49:45,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/sv-benchmarks/c/loop-simple/nested_3.c[784,797] [2021-11-23 00:49:45,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:45,719 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:49:45,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45 WrapperNode [2021-11-23 00:49:45,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:45,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:45,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:49:45,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:49:45,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,761 INFO L137 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2021-11-23 00:49:45,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:45,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:49:45,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:49:45,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:49:45,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:49:45,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:49:45,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:49:45,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:49:45,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:45,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:49:45,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:49:45,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:49:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:49:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:49:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:49:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:49:45,903 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:49:45,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:49:46,003 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:49:46,024 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:49:46,024 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:49:46,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:46 BoogieIcfgContainer [2021-11-23 00:49:46,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:49:46,027 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:49:46,027 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:49:46,037 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:49:46,038 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:46" (1/1) ... [2021-11-23 00:49:46,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:49:46,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-23 00:49:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-23 00:49:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:49:46,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:46,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:46,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-23 00:49:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-23 00:49:46,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:49:46,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:46,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:46,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 00:49:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 00:49:46,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:49:46,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:46,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:46,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:46,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-23 00:49:46,526 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-23 00:49:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:49:46,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:46,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:46,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-23 00:49:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-23 00:49:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:49:46,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:46,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:49:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:46,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-11-23 00:49:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-11-23 00:49:46,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:49:46,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:46,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:49:48,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 47 transitions. [2021-11-23 00:49:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 47 transitions. [2021-11-23 00:49:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:49:48,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:48,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 00:49:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2021-11-23 00:49:48,343 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2021-11-23 00:49:48,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:49:48,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:48,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 00:49:48,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2021-11-23 00:49:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2021-11-23 00:49:48,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:49:48,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:48,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 00:49:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2021-11-23 00:49:48,917 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2021-11-23 00:49:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:49:48,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:48,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 61 proven. 15 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 00:49:49,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:49,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2021-11-23 00:49:49,157 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-11-23 00:49:49,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:49:49,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:49,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 71 proven. 24 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 00:49:49,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:49,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2021-11-23 00:49:49,827 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2021-11-23 00:49:49,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:49:49,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:49,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-23 00:49:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:50,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2021-11-23 00:49:50,017 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2021-11-23 00:49:50,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:49:50,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:50,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 139 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-23 00:49:50,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:50,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2021-11-23 00:49:50,238 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2021-11-23 00:49:50,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:49:50,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:50,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 155 proven. 10 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-23 00:49:50,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2021-11-23 00:49:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2021-11-23 00:49:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:49:50,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:50,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 171 proven. 15 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-23 00:49:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:50,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2021-11-23 00:49:50,679 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2021-11-23 00:49:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:49:50,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:50,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:50,802 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 116 proven. 97 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-23 00:49:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2021-11-23 00:49:51,443 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2021-11-23 00:49:51,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:49:51,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:51,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:51,471 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 212 proven. 3 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-11-23 00:49:51,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:51,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2021-11-23 00:49:51,633 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2021-11-23 00:49:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:49:51,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:51,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 235 proven. 6 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-11-23 00:49:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2021-11-23 00:49:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2021-11-23 00:49:51,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:49:51,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:51,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:51,898 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 258 proven. 10 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-11-23 00:49:52,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2021-11-23 00:49:52,075 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2021-11-23 00:49:52,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:49:52,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:52,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:52,135 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 281 proven. 15 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-11-23 00:49:52,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2021-11-23 00:49:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2021-11-23 00:49:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:49:52,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:52,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 161 proven. 220 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-23 00:49:53,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2021-11-23 00:49:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2021-11-23 00:49:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:49:53,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:53,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 301 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-11-23 00:49:53,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:53,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2021-11-23 00:49:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2021-11-23 00:49:53,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:49:53,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:53,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 331 proven. 6 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-11-23 00:49:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:53,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2021-11-23 00:49:53,540 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2021-11-23 00:49:53,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:49:53,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:53,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 361 proven. 10 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-11-23 00:49:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:53,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 54 states and 80 transitions. [2021-11-23 00:49:53,756 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2021-11-23 00:49:53,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:49:53,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:53,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 391 proven. 15 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-11-23 00:49:53,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:53,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2021-11-23 00:49:53,988 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2021-11-23 00:49:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:49:53,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:53,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 206 proven. 393 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-23 00:49:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 86 transitions. [2021-11-23 00:49:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2021-11-23 00:49:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:49:54,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:54,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:54,998 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 390 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-11-23 00:49:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2021-11-23 00:49:55,210 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2021-11-23 00:49:55,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:49:55,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:55,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 427 proven. 6 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-11-23 00:49:55,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2021-11-23 00:49:55,462 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2021-11-23 00:49:55,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:49:55,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:55,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 464 proven. 10 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-11-23 00:49:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2021-11-23 00:49:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2021-11-23 00:49:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:49:55,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:55,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:55,750 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 501 proven. 15 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-11-23 00:49:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2021-11-23 00:49:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2021-11-23 00:49:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:49:55,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:55,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:56,002 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 359 proven. 3 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2021-11-23 00:49:56,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:56,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2021-11-23 00:49:56,184 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2021-11-23 00:49:56,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:49:56,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:56,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 400 proven. 6 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2021-11-23 00:49:56,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:56,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2021-11-23 00:49:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2021-11-23 00:49:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:49:56,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:56,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 441 proven. 10 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2021-11-23 00:49:56,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:56,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 66 states and 92 transitions. [2021-11-23 00:49:56,684 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2021-11-23 00:49:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:49:56,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:56,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 482 proven. 15 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2021-11-23 00:49:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2021-11-23 00:49:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2021-11-23 00:49:56,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:49:56,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:56,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-11-23 00:49:59,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 111 transitions. [2021-11-23 00:49:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2021-11-23 00:49:59,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:49:59,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:59,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:59,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 575 proven. 3 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2021-11-23 00:49:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2021-11-23 00:49:59,292 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2021-11-23 00:49:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:49:59,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:59,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 626 proven. 6 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2021-11-23 00:49:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:59,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 113 transitions. [2021-11-23 00:49:59,601 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2021-11-23 00:49:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:49:59,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:59,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 677 proven. 10 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2021-11-23 00:49:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:59,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 80 states and 114 transitions. [2021-11-23 00:49:59,891 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2021-11-23 00:49:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:49:59,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:59,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 728 proven. 15 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2021-11-23 00:50:00,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:00,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2021-11-23 00:50:00,168 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2021-11-23 00:50:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:50:00,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:00,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:00,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1737 backedges. 787 proven. 24 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2021-11-23 00:50:01,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:01,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 85 states and 121 transitions. [2021-11-23 00:50:01,114 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2021-11-23 00:50:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:50:01,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:01,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:01,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1927 backedges. 664 proven. 3 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2021-11-23 00:50:01,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2021-11-23 00:50:01,464 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2021-11-23 00:50:01,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 00:50:01,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:01,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:01,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 722 proven. 6 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2021-11-23 00:50:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2021-11-23 00:50:01,792 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2021-11-23 00:50:01,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:50:01,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:01,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2050 backedges. 780 proven. 10 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2021-11-23 00:50:02,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:02,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 88 states and 124 transitions. [2021-11-23 00:50:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2021-11-23 00:50:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 00:50:02,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:02,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 838 proven. 15 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2021-11-23 00:50:02,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 89 states and 124 transitions. [2021-11-23 00:50:02,490 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2021-11-23 00:50:02,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:50:02,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:02,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:02,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 1133 proven. 97 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2021-11-23 00:50:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:03,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 93 states and 131 transitions. [2021-11-23 00:50:03,565 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2021-11-23 00:50:03,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 00:50:03,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:03,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2389 backedges. 753 proven. 3 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2021-11-23 00:50:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 94 states and 132 transitions. [2021-11-23 00:50:03,937 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2021-11-23 00:50:03,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:50:03,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:03,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2457 backedges. 818 proven. 6 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2021-11-23 00:50:04,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 95 states and 133 transitions. [2021-11-23 00:50:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2021-11-23 00:50:04,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 00:50:04,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:04,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:04,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2526 backedges. 883 proven. 10 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2021-11-23 00:50:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:04,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 96 states and 134 transitions. [2021-11-23 00:50:04,667 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2021-11-23 00:50:04,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 00:50:04,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:04,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 948 proven. 15 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2021-11-23 00:50:05,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:05,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 97 states and 134 transitions. [2021-11-23 00:50:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 134 transitions. [2021-11-23 00:50:05,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:50:05,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:05,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2667 backedges. 1479 proven. 220 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2021-11-23 00:50:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 101 states and 141 transitions. [2021-11-23 00:50:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 141 transitions. [2021-11-23 00:50:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 00:50:06,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:06,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:06,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2901 backedges. 842 proven. 3 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked. [2021-11-23 00:50:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 102 states and 142 transitions. [2021-11-23 00:50:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 142 transitions. [2021-11-23 00:50:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:50:06,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:06,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:06,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 914 proven. 6 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked. [2021-11-23 00:50:06,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 103 states and 143 transitions. [2021-11-23 00:50:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2021-11-23 00:50:06,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:50:06,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:06,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:07,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3052 backedges. 986 proven. 10 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked. [2021-11-23 00:50:07,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:07,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 104 states and 144 transitions. [2021-11-23 00:50:07,336 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 144 transitions. [2021-11-23 00:50:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:50:07,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:07,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3129 backedges. 1058 proven. 15 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked. [2021-11-23 00:50:07,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:07,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 105 states and 144 transitions. [2021-11-23 00:50:07,713 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2021-11-23 00:50:07,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:50:07,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:07,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3207 backedges. 1825 proven. 393 refuted. 0 times theorem prover too weak. 989 trivial. 0 not checked. [2021-11-23 00:50:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:08,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2021-11-23 00:50:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2021-11-23 00:50:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 00:50:08,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:08,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3463 backedges. 931 proven. 3 refuted. 0 times theorem prover too weak. 2529 trivial. 0 not checked. [2021-11-23 00:50:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2021-11-23 00:50:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2021-11-23 00:50:09,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:50:09,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:09,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3545 backedges. 1010 proven. 6 refuted. 0 times theorem prover too weak. 2529 trivial. 0 not checked. [2021-11-23 00:50:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:09,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 111 states and 152 transitions. [2021-11-23 00:50:09,789 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 152 transitions. [2021-11-23 00:50:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:50:09,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:09,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3628 backedges. 1089 proven. 10 refuted. 0 times theorem prover too weak. 2529 trivial. 0 not checked. [2021-11-23 00:50:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 112 states and 153 transitions. [2021-11-23 00:50:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2021-11-23 00:50:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 00:50:10,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:10,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3712 backedges. 1168 proven. 15 refuted. 0 times theorem prover too weak. 2529 trivial. 0 not checked. [2021-11-23 00:50:10,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:10,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 113 states and 153 transitions. [2021-11-23 00:50:10,704 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 153 transitions. [2021-11-23 00:50:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:50:10,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:10,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3797 backedges. 767 proven. 3 refuted. 0 times theorem prover too weak. 3027 trivial. 0 not checked. [2021-11-23 00:50:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:11,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 114 states and 154 transitions. [2021-11-23 00:50:11,034 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2021-11-23 00:50:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 00:50:11,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:11,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3883 backedges. 850 proven. 6 refuted. 0 times theorem prover too weak. 3027 trivial. 0 not checked. [2021-11-23 00:50:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 115 states and 155 transitions. [2021-11-23 00:50:11,383 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2021-11-23 00:50:11,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:50:11,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:11,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3970 backedges. 933 proven. 10 refuted. 0 times theorem prover too weak. 3027 trivial. 0 not checked. [2021-11-23 00:50:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:11,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 116 states and 156 transitions. [2021-11-23 00:50:11,874 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 156 transitions. [2021-11-23 00:50:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:50:11,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:11,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4058 backedges. 1016 proven. 15 refuted. 0 times theorem prover too weak. 3027 trivial. 0 not checked. [2021-11-23 00:50:12,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 117 states and 156 transitions. [2021-11-23 00:50:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 156 transitions. [2021-11-23 00:50:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 00:50:12,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:12,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:12,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4147 backedges. 0 proven. 2365 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2021-11-23 00:50:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 127 states and 175 transitions. [2021-11-23 00:50:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 175 transitions. [2021-11-23 00:50:15,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:50:15,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:15,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4760 backedges. 1116 proven. 3 refuted. 0 times theorem prover too weak. 3641 trivial. 0 not checked. [2021-11-23 00:50:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 128 states and 176 transitions. [2021-11-23 00:50:15,855 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2021-11-23 00:50:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 00:50:15,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4856 backedges. 1209 proven. 6 refuted. 0 times theorem prover too weak. 3641 trivial. 0 not checked. [2021-11-23 00:50:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 129 states and 177 transitions. [2021-11-23 00:50:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2021-11-23 00:50:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 00:50:16,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:16,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4953 backedges. 1302 proven. 10 refuted. 0 times theorem prover too weak. 3641 trivial. 0 not checked. [2021-11-23 00:50:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:16,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 130 states and 178 transitions. [2021-11-23 00:50:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 178 transitions. [2021-11-23 00:50:16,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 00:50:16,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:16,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5051 backedges. 1395 proven. 15 refuted. 0 times theorem prover too weak. 3641 trivial. 0 not checked. [2021-11-23 00:50:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:16,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 131 states and 178 transitions. [2021-11-23 00:50:16,987 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 178 transitions. [2021-11-23 00:50:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 00:50:16,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:16,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5150 backedges. 1503 proven. 24 refuted. 0 times theorem prover too weak. 3623 trivial. 0 not checked. [2021-11-23 00:50:18,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:18,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 135 states and 185 transitions. [2021-11-23 00:50:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 185 transitions. [2021-11-23 00:50:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 00:50:18,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:18,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5473 backedges. 1205 proven. 3 refuted. 0 times theorem prover too weak. 4265 trivial. 0 not checked. [2021-11-23 00:50:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:18,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 136 states and 186 transitions. [2021-11-23 00:50:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 186 transitions. [2021-11-23 00:50:18,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:50:18,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:18,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5576 backedges. 1305 proven. 6 refuted. 0 times theorem prover too weak. 4265 trivial. 0 not checked. [2021-11-23 00:50:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 137 states and 187 transitions. [2021-11-23 00:50:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 187 transitions. [2021-11-23 00:50:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 00:50:19,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:19,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:19,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5680 backedges. 1405 proven. 10 refuted. 0 times theorem prover too weak. 4265 trivial. 0 not checked. [2021-11-23 00:50:19,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:19,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 138 states and 188 transitions. [2021-11-23 00:50:19,747 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 188 transitions. [2021-11-23 00:50:19,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 00:50:19,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:19,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5785 backedges. 1505 proven. 15 refuted. 0 times theorem prover too weak. 4265 trivial. 0 not checked. [2021-11-23 00:50:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:20,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 139 states and 188 transitions. [2021-11-23 00:50:20,196 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2021-11-23 00:50:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 00:50:20,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:20,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 5891 backedges. 2150 proven. 97 refuted. 0 times theorem prover too weak. 3644 trivial. 0 not checked. [2021-11-23 00:50:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 143 states and 195 transitions. [2021-11-23 00:50:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 195 transitions. [2021-11-23 00:50:21,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 00:50:21,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:21,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6236 backedges. 1294 proven. 3 refuted. 0 times theorem prover too weak. 4939 trivial. 0 not checked. [2021-11-23 00:50:22,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 144 states and 196 transitions. [2021-11-23 00:50:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2021-11-23 00:50:22,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-23 00:50:22,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:22,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:22,263 INFO L134 CoverageAnalysis]: Checked inductivity of 6346 backedges. 1401 proven. 6 refuted. 0 times theorem prover too weak. 4939 trivial. 0 not checked. [2021-11-23 00:50:22,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:22,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 145 states and 197 transitions. [2021-11-23 00:50:22,656 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 197 transitions. [2021-11-23 00:50:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 00:50:22,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:22,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6457 backedges. 1508 proven. 10 refuted. 0 times theorem prover too weak. 4939 trivial. 0 not checked. [2021-11-23 00:50:23,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:23,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 146 states and 198 transitions. [2021-11-23 00:50:23,052 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 198 transitions. [2021-11-23 00:50:23,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 00:50:23,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:23,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6569 backedges. 1615 proven. 15 refuted. 0 times theorem prover too weak. 4939 trivial. 0 not checked. [2021-11-23 00:50:23,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 147 states and 198 transitions. [2021-11-23 00:50:23,540 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 198 transitions. [2021-11-23 00:50:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 00:50:23,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:23,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:23,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6682 backedges. 2797 proven. 220 refuted. 0 times theorem prover too weak. 3665 trivial. 0 not checked. [2021-11-23 00:50:25,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 151 states and 205 transitions. [2021-11-23 00:50:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 205 transitions. [2021-11-23 00:50:25,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-23 00:50:25,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:25,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 7049 backedges. 1383 proven. 3 refuted. 0 times theorem prover too weak. 5663 trivial. 0 not checked. [2021-11-23 00:50:25,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:25,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 152 states and 206 transitions. [2021-11-23 00:50:25,529 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 206 transitions. [2021-11-23 00:50:25,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 00:50:25,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:25,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 7166 backedges. 1497 proven. 6 refuted. 0 times theorem prover too weak. 5663 trivial. 0 not checked. [2021-11-23 00:50:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 153 states and 207 transitions. [2021-11-23 00:50:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 207 transitions. [2021-11-23 00:50:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:50:26,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:26,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7284 backedges. 1611 proven. 10 refuted. 0 times theorem prover too weak. 5663 trivial. 0 not checked. [2021-11-23 00:50:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:26,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 154 states and 208 transitions. [2021-11-23 00:50:26,487 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 208 transitions. [2021-11-23 00:50:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:50:26,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:26,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:26,534 INFO L134 CoverageAnalysis]: Checked inductivity of 7403 backedges. 1725 proven. 15 refuted. 0 times theorem prover too weak. 5663 trivial. 0 not checked. [2021-11-23 00:50:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 155 states and 208 transitions. [2021-11-23 00:50:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 208 transitions. [2021-11-23 00:50:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 00:50:26,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:26,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:26,975 INFO L134 CoverageAnalysis]: Checked inductivity of 7523 backedges. 3444 proven. 393 refuted. 0 times theorem prover too weak. 3686 trivial. 0 not checked. [2021-11-23 00:50:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 159 states and 214 transitions. [2021-11-23 00:50:28,669 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 214 transitions. [2021-11-23 00:50:28,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:50:28,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:28,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7912 backedges. 1472 proven. 3 refuted. 0 times theorem prover too weak. 6437 trivial. 0 not checked. [2021-11-23 00:50:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 160 states and 215 transitions. [2021-11-23 00:50:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 215 transitions. [2021-11-23 00:50:29,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 00:50:29,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:29,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8036 backedges. 1593 proven. 6 refuted. 0 times theorem prover too weak. 6437 trivial. 0 not checked. [2021-11-23 00:50:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:29,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 161 states and 216 transitions. [2021-11-23 00:50:29,562 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 216 transitions. [2021-11-23 00:50:29,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-23 00:50:29,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:29,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8161 backedges. 1714 proven. 10 refuted. 0 times theorem prover too weak. 6437 trivial. 0 not checked. [2021-11-23 00:50:30,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:30,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 162 states and 217 transitions. [2021-11-23 00:50:30,052 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 217 transitions. [2021-11-23 00:50:30,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-23 00:50:30,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:30,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:30,182 INFO L134 CoverageAnalysis]: Checked inductivity of 8287 backedges. 1835 proven. 15 refuted. 0 times theorem prover too weak. 6437 trivial. 0 not checked. [2021-11-23 00:50:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:30,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 163 states and 217 transitions. [2021-11-23 00:50:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 217 transitions. [2021-11-23 00:50:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-23 00:50:30,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:30,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 8414 backedges. 1175 proven. 3 refuted. 0 times theorem prover too weak. 7236 trivial. 0 not checked. [2021-11-23 00:50:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 164 states and 218 transitions. [2021-11-23 00:50:31,180 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 218 transitions. [2021-11-23 00:50:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 00:50:31,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:31,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:31,226 INFO L134 CoverageAnalysis]: Checked inductivity of 8542 backedges. 1300 proven. 6 refuted. 0 times theorem prover too weak. 7236 trivial. 0 not checked. [2021-11-23 00:50:31,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:31,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 165 states and 219 transitions. [2021-11-23 00:50:31,660 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2021-11-23 00:50:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-23 00:50:31,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:31,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:31,706 INFO L134 CoverageAnalysis]: Checked inductivity of 8671 backedges. 1425 proven. 10 refuted. 0 times theorem prover too weak. 7236 trivial. 0 not checked. [2021-11-23 00:50:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 220 transitions. [2021-11-23 00:50:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2021-11-23 00:50:32,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-23 00:50:32,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:32,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:32,269 INFO L134 CoverageAnalysis]: Checked inductivity of 8801 backedges. 1550 proven. 15 refuted. 0 times theorem prover too weak. 7236 trivial. 0 not checked. [2021-11-23 00:50:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 167 states and 220 transitions. [2021-11-23 00:50:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 220 transitions. [2021-11-23 00:50:32,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-23 00:50:32,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:32,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:33,109 INFO L134 CoverageAnalysis]: Checked inductivity of 8932 backedges. 0 proven. 6268 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 00:50:36,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 177 states and 239 transitions. [2021-11-23 00:50:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 239 transitions. [2021-11-23 00:50:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 00:50:36,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:36,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 9819 backedges. 1657 proven. 3 refuted. 0 times theorem prover too weak. 8159 trivial. 0 not checked. [2021-11-23 00:50:37,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:37,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 178 states and 240 transitions. [2021-11-23 00:50:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 240 transitions. [2021-11-23 00:50:37,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:50:37,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:37,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 9957 backedges. 1792 proven. 6 refuted. 0 times theorem prover too weak. 8159 trivial. 0 not checked. [2021-11-23 00:50:37,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 179 states and 241 transitions. [2021-11-23 00:50:37,841 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 241 transitions. [2021-11-23 00:50:37,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:50:37,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:37,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 10096 backedges. 1927 proven. 10 refuted. 0 times theorem prover too weak. 8159 trivial. 0 not checked. [2021-11-23 00:50:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 180 states and 242 transitions. [2021-11-23 00:50:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 242 transitions. [2021-11-23 00:50:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 00:50:38,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:38,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10236 backedges. 2062 proven. 15 refuted. 0 times theorem prover too weak. 8159 trivial. 0 not checked. [2021-11-23 00:50:39,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:39,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 242 transitions. [2021-11-23 00:50:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 242 transitions. [2021-11-23 00:50:39,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-23 00:50:39,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:39,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 10377 backedges. 2219 proven. 24 refuted. 0 times theorem prover too weak. 8134 trivial. 0 not checked. [2021-11-23 00:50:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:40,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 185 states and 249 transitions. [2021-11-23 00:50:40,722 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 249 transitions. [2021-11-23 00:50:40,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-23 00:50:40,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:40,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 10833 backedges. 1746 proven. 3 refuted. 0 times theorem prover too weak. 9084 trivial. 0 not checked. [2021-11-23 00:50:41,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:41,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 186 states and 250 transitions. [2021-11-23 00:50:41,204 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 250 transitions. [2021-11-23 00:50:41,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-23 00:50:41,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:41,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10978 backedges. 1888 proven. 6 refuted. 0 times theorem prover too weak. 9084 trivial. 0 not checked. [2021-11-23 00:50:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 187 states and 251 transitions. [2021-11-23 00:50:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 251 transitions. [2021-11-23 00:50:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-23 00:50:41,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:41,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 11124 backedges. 2030 proven. 10 refuted. 0 times theorem prover too weak. 9084 trivial. 0 not checked. [2021-11-23 00:50:42,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 188 states and 252 transitions. [2021-11-23 00:50:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 252 transitions. [2021-11-23 00:50:42,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 00:50:42,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:42,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 11271 backedges. 2172 proven. 15 refuted. 0 times theorem prover too weak. 9084 trivial. 0 not checked. [2021-11-23 00:50:43,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 189 states and 252 transitions. [2021-11-23 00:50:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 252 transitions. [2021-11-23 00:50:43,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-23 00:50:43,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:43,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:43,109 INFO L134 CoverageAnalysis]: Checked inductivity of 11419 backedges. 3167 proven. 97 refuted. 0 times theorem prover too weak. 8155 trivial. 0 not checked. [2021-11-23 00:50:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 193 states and 259 transitions. [2021-11-23 00:50:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 259 transitions. [2021-11-23 00:50:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-23 00:50:44,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:44,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 11897 backedges. 1835 proven. 3 refuted. 0 times theorem prover too weak. 10059 trivial. 0 not checked. [2021-11-23 00:50:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 194 states and 260 transitions. [2021-11-23 00:50:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2021-11-23 00:50:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-23 00:50:45,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:45,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 12049 backedges. 1984 proven. 6 refuted. 0 times theorem prover too weak. 10059 trivial. 0 not checked. [2021-11-23 00:50:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 195 states and 261 transitions. [2021-11-23 00:50:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 261 transitions. [2021-11-23 00:50:45,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 00:50:45,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:45,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12202 backedges. 2133 proven. 10 refuted. 0 times theorem prover too weak. 10059 trivial. 0 not checked. [2021-11-23 00:50:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 196 states and 262 transitions. [2021-11-23 00:50:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 262 transitions. [2021-11-23 00:50:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-23 00:50:46,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:46,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12356 backedges. 2282 proven. 15 refuted. 0 times theorem prover too weak. 10059 trivial. 0 not checked. [2021-11-23 00:50:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 197 states and 262 transitions. [2021-11-23 00:50:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 262 transitions. [2021-11-23 00:50:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-23 00:50:46,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:46,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12511 backedges. 4115 proven. 220 refuted. 0 times theorem prover too weak. 8176 trivial. 0 not checked. [2021-11-23 00:50:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 201 states and 269 transitions. [2021-11-23 00:50:49,028 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 269 transitions. [2021-11-23 00:50:49,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-23 00:50:49,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:49,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 13011 backedges. 1924 proven. 3 refuted. 0 times theorem prover too weak. 11084 trivial. 0 not checked. [2021-11-23 00:50:49,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 202 states and 270 transitions. [2021-11-23 00:50:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 270 transitions. [2021-11-23 00:50:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 00:50:49,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:49,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 13170 backedges. 2080 proven. 6 refuted. 0 times theorem prover too weak. 11084 trivial. 0 not checked. [2021-11-23 00:50:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 203 states and 271 transitions. [2021-11-23 00:50:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 271 transitions. [2021-11-23 00:50:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-23 00:50:50,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:50,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:50,094 INFO L134 CoverageAnalysis]: Checked inductivity of 13330 backedges. 2236 proven. 10 refuted. 0 times theorem prover too weak. 11084 trivial. 0 not checked. [2021-11-23 00:50:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 204 states and 272 transitions. [2021-11-23 00:50:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 272 transitions. [2021-11-23 00:50:50,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-23 00:50:50,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:50,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 13491 backedges. 2392 proven. 15 refuted. 0 times theorem prover too weak. 11084 trivial. 0 not checked. [2021-11-23 00:50:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 205 states and 272 transitions. [2021-11-23 00:50:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 272 transitions. [2021-11-23 00:50:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-23 00:50:51,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:51,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 13653 backedges. 5063 proven. 393 refuted. 0 times theorem prover too weak. 8197 trivial. 0 not checked. [2021-11-23 00:50:53,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 209 states and 278 transitions. [2021-11-23 00:50:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 278 transitions. [2021-11-23 00:50:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-23 00:50:53,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:53,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 14175 backedges. 2013 proven. 3 refuted. 0 times theorem prover too weak. 12159 trivial. 0 not checked. [2021-11-23 00:50:53,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 210 states and 279 transitions. [2021-11-23 00:50:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 279 transitions. [2021-11-23 00:50:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-23 00:50:53,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:53,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:53,814 INFO L134 CoverageAnalysis]: Checked inductivity of 14341 backedges. 2176 proven. 6 refuted. 0 times theorem prover too weak. 12159 trivial. 0 not checked. [2021-11-23 00:50:54,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 211 states and 280 transitions. [2021-11-23 00:50:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 280 transitions. [2021-11-23 00:50:54,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-23 00:50:54,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:54,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:54,443 INFO L134 CoverageAnalysis]: Checked inductivity of 14508 backedges. 2339 proven. 10 refuted. 0 times theorem prover too weak. 12159 trivial. 0 not checked. [2021-11-23 00:50:54,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 212 states and 281 transitions. [2021-11-23 00:50:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2021-11-23 00:50:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-23 00:50:54,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:54,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14676 backedges. 2502 proven. 15 refuted. 0 times theorem prover too weak. 12159 trivial. 0 not checked. [2021-11-23 00:50:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 213 states and 281 transitions. [2021-11-23 00:50:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 281 transitions. [2021-11-23 00:50:55,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-23 00:50:55,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:55,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14845 backedges. 1583 proven. 3 refuted. 0 times theorem prover too weak. 13259 trivial. 0 not checked. [2021-11-23 00:50:56,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:56,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 214 states and 282 transitions. [2021-11-23 00:50:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 282 transitions. [2021-11-23 00:50:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-23 00:50:56,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:56,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 15015 backedges. 1750 proven. 6 refuted. 0 times theorem prover too weak. 13259 trivial. 0 not checked. [2021-11-23 00:50:56,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:56,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 215 states and 283 transitions. [2021-11-23 00:50:56,718 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 283 transitions. [2021-11-23 00:50:56,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-23 00:50:56,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:56,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 15186 backedges. 1917 proven. 10 refuted. 0 times theorem prover too weak. 13259 trivial. 0 not checked. [2021-11-23 00:50:57,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:57,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 216 states and 284 transitions. [2021-11-23 00:50:57,288 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 284 transitions. [2021-11-23 00:50:57,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-23 00:50:57,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:57,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 15358 backedges. 2084 proven. 15 refuted. 0 times theorem prover too weak. 13259 trivial. 0 not checked. [2021-11-23 00:50:58,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:58,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 217 states and 284 transitions. [2021-11-23 00:50:58,016 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 284 transitions. [2021-11-23 00:50:58,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-23 00:50:58,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:58,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 15531 backedges. 0 proven. 11985 refuted. 0 times theorem prover too weak. 3546 trivial. 0 not checked. [2021-11-23 00:51:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 227 states and 302 transitions. [2021-11-23 00:51:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 302 transitions. [2021-11-23 00:51:03,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-23 00:51:03,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:03,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 16692 backedges. 2198 proven. 3 refuted. 0 times theorem prover too weak. 14491 trivial. 0 not checked. [2021-11-23 00:51:03,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:03,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 228 states and 303 transitions. [2021-11-23 00:51:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 303 transitions. [2021-11-23 00:51:03,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-23 00:51:03,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:03,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 16872 backedges. 2375 proven. 6 refuted. 0 times theorem prover too weak. 14491 trivial. 0 not checked. [2021-11-23 00:51:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 229 states and 304 transitions. [2021-11-23 00:51:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 304 transitions. [2021-11-23 00:51:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-23 00:51:04,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:04,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 17053 backedges. 2552 proven. 10 refuted. 0 times theorem prover too weak. 14491 trivial. 0 not checked. [2021-11-23 00:51:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 230 states and 305 transitions. [2021-11-23 00:51:04,872 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 305 transitions. [2021-11-23 00:51:04,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-23 00:51:04,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:04,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:04,922 INFO L134 CoverageAnalysis]: Checked inductivity of 17235 backedges. 2729 proven. 15 refuted. 0 times theorem prover too weak. 14491 trivial. 0 not checked. [2021-11-23 00:51:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 231 states and 305 transitions. [2021-11-23 00:51:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 305 transitions. [2021-11-23 00:51:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-23 00:51:05,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:05,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 17418 backedges. 2935 proven. 24 refuted. 0 times theorem prover too weak. 14459 trivial. 0 not checked. [2021-11-23 00:51:07,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:07,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 235 states and 312 transitions. [2021-11-23 00:51:07,686 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 312 transitions. [2021-11-23 00:51:07,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-23 00:51:07,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:07,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:07,732 INFO L134 CoverageAnalysis]: Checked inductivity of 18007 backedges. 2287 proven. 3 refuted. 0 times theorem prover too weak. 15717 trivial. 0 not checked. [2021-11-23 00:51:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 236 states and 313 transitions. [2021-11-23 00:51:08,271 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 313 transitions. [2021-11-23 00:51:08,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-23 00:51:08,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:08,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 18194 backedges. 2471 proven. 6 refuted. 0 times theorem prover too weak. 15717 trivial. 0 not checked. [2021-11-23 00:51:08,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:08,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 237 states and 314 transitions. [2021-11-23 00:51:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 314 transitions. [2021-11-23 00:51:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-23 00:51:08,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:08,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:08,911 INFO L134 CoverageAnalysis]: Checked inductivity of 18382 backedges. 2655 proven. 10 refuted. 0 times theorem prover too weak. 15717 trivial. 0 not checked. [2021-11-23 00:51:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 238 states and 315 transitions. [2021-11-23 00:51:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 315 transitions. [2021-11-23 00:51:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-23 00:51:09,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:09,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:09,545 INFO L134 CoverageAnalysis]: Checked inductivity of 18571 backedges. 2839 proven. 15 refuted. 0 times theorem prover too weak. 15717 trivial. 0 not checked. [2021-11-23 00:51:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 239 states and 315 transitions. [2021-11-23 00:51:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 315 transitions. [2021-11-23 00:51:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 00:51:10,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:10,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 18761 backedges. 4184 proven. 97 refuted. 0 times theorem prover too weak. 14480 trivial. 0 not checked. [2021-11-23 00:51:12,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 243 states and 322 transitions. [2021-11-23 00:51:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 322 transitions. [2021-11-23 00:51:12,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-23 00:51:12,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:12,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:12,495 INFO L134 CoverageAnalysis]: Checked inductivity of 19372 backedges. 2376 proven. 3 refuted. 0 times theorem prover too weak. 16993 trivial. 0 not checked. [2021-11-23 00:51:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 244 states and 323 transitions. [2021-11-23 00:51:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 323 transitions. [2021-11-23 00:51:13,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-23 00:51:13,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:13,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 19566 backedges. 2567 proven. 6 refuted. 0 times theorem prover too weak. 16993 trivial. 0 not checked. [2021-11-23 00:51:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 245 states and 324 transitions. [2021-11-23 00:51:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 324 transitions. [2021-11-23 00:51:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-23 00:51:13,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:13,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 19761 backedges. 2758 proven. 10 refuted. 0 times theorem prover too weak. 16993 trivial. 0 not checked. [2021-11-23 00:51:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 246 states and 325 transitions. [2021-11-23 00:51:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 325 transitions. [2021-11-23 00:51:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:51:14,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:14,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 19957 backedges. 2949 proven. 15 refuted. 0 times theorem prover too weak. 16993 trivial. 0 not checked. [2021-11-23 00:51:15,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:15,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 247 states and 325 transitions. [2021-11-23 00:51:15,004 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 325 transitions. [2021-11-23 00:51:15,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-23 00:51:15,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:15,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20154 backedges. 5433 proven. 220 refuted. 0 times theorem prover too weak. 14501 trivial. 0 not checked. [2021-11-23 00:51:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:17,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 251 states and 332 transitions. [2021-11-23 00:51:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 332 transitions. [2021-11-23 00:51:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-23 00:51:17,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:17,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 20787 backedges. 2465 proven. 3 refuted. 0 times theorem prover too weak. 18319 trivial. 0 not checked. [2021-11-23 00:51:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 252 states and 333 transitions. [2021-11-23 00:51:17,879 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 333 transitions. [2021-11-23 00:51:17,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-23 00:51:17,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:17,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:17,935 INFO L134 CoverageAnalysis]: Checked inductivity of 20988 backedges. 2663 proven. 6 refuted. 0 times theorem prover too weak. 18319 trivial. 0 not checked. [2021-11-23 00:51:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:18,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 253 states and 334 transitions. [2021-11-23 00:51:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 334 transitions. [2021-11-23 00:51:18,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-23 00:51:18,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:18,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 21190 backedges. 2861 proven. 10 refuted. 0 times theorem prover too weak. 18319 trivial. 0 not checked. [2021-11-23 00:51:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 254 states and 335 transitions. [2021-11-23 00:51:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 335 transitions. [2021-11-23 00:51:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-23 00:51:19,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:19,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:19,352 INFO L134 CoverageAnalysis]: Checked inductivity of 21393 backedges. 3059 proven. 15 refuted. 0 times theorem prover too weak. 18319 trivial. 0 not checked. [2021-11-23 00:51:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 255 states and 335 transitions. [2021-11-23 00:51:19,961 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 335 transitions. [2021-11-23 00:51:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-23 00:51:19,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:19,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 21597 backedges. 6682 proven. 393 refuted. 0 times theorem prover too weak. 14522 trivial. 0 not checked. [2021-11-23 00:51:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 259 states and 341 transitions. [2021-11-23 00:51:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 341 transitions. [2021-11-23 00:51:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-23 00:51:22,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:22,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 22252 backedges. 2554 proven. 3 refuted. 0 times theorem prover too weak. 19695 trivial. 0 not checked. [2021-11-23 00:51:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:22,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 260 states and 342 transitions. [2021-11-23 00:51:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 342 transitions. [2021-11-23 00:51:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-23 00:51:22,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:22,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:23,040 INFO L134 CoverageAnalysis]: Checked inductivity of 22460 backedges. 2759 proven. 6 refuted. 0 times theorem prover too weak. 19695 trivial. 0 not checked. [2021-11-23 00:51:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:23,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 261 states and 343 transitions. [2021-11-23 00:51:23,781 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 343 transitions. [2021-11-23 00:51:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-23 00:51:23,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:23,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 22669 backedges. 2964 proven. 10 refuted. 0 times theorem prover too weak. 19695 trivial. 0 not checked. [2021-11-23 00:51:24,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:24,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 262 states and 344 transitions. [2021-11-23 00:51:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 344 transitions. [2021-11-23 00:51:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-23 00:51:24,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:24,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 22879 backedges. 3169 proven. 15 refuted. 0 times theorem prover too weak. 19695 trivial. 0 not checked. [2021-11-23 00:51:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 263 states and 344 transitions. [2021-11-23 00:51:25,317 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 344 transitions. [2021-11-23 00:51:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-23 00:51:25,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:25,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 23090 backedges. 1991 proven. 3 refuted. 0 times theorem prover too weak. 21096 trivial. 0 not checked. [2021-11-23 00:51:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 264 states and 345 transitions. [2021-11-23 00:51:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 345 transitions. [2021-11-23 00:51:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-23 00:51:25,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:25,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 23302 backedges. 2200 proven. 6 refuted. 0 times theorem prover too weak. 21096 trivial. 0 not checked. [2021-11-23 00:51:26,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:26,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 265 states and 346 transitions. [2021-11-23 00:51:26,658 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 346 transitions. [2021-11-23 00:51:26,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-23 00:51:26,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:26,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 23515 backedges. 2409 proven. 10 refuted. 0 times theorem prover too weak. 21096 trivial. 0 not checked. [2021-11-23 00:51:27,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:27,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 266 states and 347 transitions. [2021-11-23 00:51:27,331 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 347 transitions. [2021-11-23 00:51:27,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-23 00:51:27,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:27,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 23729 backedges. 2618 proven. 15 refuted. 0 times theorem prover too weak. 21096 trivial. 0 not checked. [2021-11-23 00:51:28,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 267 states and 347 transitions. [2021-11-23 00:51:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 347 transitions. [2021-11-23 00:51:28,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-23 00:51:28,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:28,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 23944 backedges. 1347 proven. 3 refuted. 0 times theorem prover too weak. 22594 trivial. 0 not checked. [2021-11-23 00:51:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 268 states and 348 transitions. [2021-11-23 00:51:28,818 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 348 transitions. [2021-11-23 00:51:28,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-23 00:51:28,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:28,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:28,896 INFO L134 CoverageAnalysis]: Checked inductivity of 24160 backedges. 1560 proven. 6 refuted. 0 times theorem prover too weak. 22594 trivial. 0 not checked. [2021-11-23 00:51:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 269 states and 349 transitions. [2021-11-23 00:51:29,488 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 349 transitions. [2021-11-23 00:51:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-23 00:51:29,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:29,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 24377 backedges. 1773 proven. 10 refuted. 0 times theorem prover too weak. 22594 trivial. 0 not checked. [2021-11-23 00:51:30,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:30,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 270 states and 350 transitions. [2021-11-23 00:51:30,127 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 350 transitions. [2021-11-23 00:51:30,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-23 00:51:30,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:30,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 24595 backedges. 1986 proven. 15 refuted. 0 times theorem prover too weak. 22594 trivial. 0 not checked. [2021-11-23 00:51:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 271 states and 350 transitions. [2021-11-23 00:51:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 350 transitions. [2021-11-23 00:51:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-23 00:51:30,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:30,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:30,954 INFO L134 CoverageAnalysis]: Checked inductivity of 24814 backedges. 2211 proven. 24 refuted. 0 times theorem prover too weak. 22579 trivial. 0 not checked. [2021-11-23 00:51:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 275 states and 357 transitions. [2021-11-23 00:51:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 357 transitions. [2021-11-23 00:51:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-23 00:51:33,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:33,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 25515 backedges. 1391 proven. 3 refuted. 0 times theorem prover too weak. 24121 trivial. 0 not checked. [2021-11-23 00:51:34,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 276 states and 358 transitions. [2021-11-23 00:51:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 358 transitions. [2021-11-23 00:51:34,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-23 00:51:34,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:34,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 25738 backedges. 1611 proven. 6 refuted. 0 times theorem prover too weak. 24121 trivial. 0 not checked. [2021-11-23 00:51:34,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 277 states and 359 transitions. [2021-11-23 00:51:34,768 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 359 transitions. [2021-11-23 00:51:34,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-23 00:51:34,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:34,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:34,824 INFO L134 CoverageAnalysis]: Checked inductivity of 25962 backedges. 1831 proven. 10 refuted. 0 times theorem prover too weak. 24121 trivial. 0 not checked. [2021-11-23 00:51:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 278 states and 360 transitions. [2021-11-23 00:51:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 360 transitions. [2021-11-23 00:51:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-23 00:51:35,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:35,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 26187 backedges. 2051 proven. 15 refuted. 0 times theorem prover too weak. 24121 trivial. 0 not checked. [2021-11-23 00:51:36,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:36,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 279 states and 360 transitions. [2021-11-23 00:51:36,146 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 360 transitions. [2021-11-23 00:51:36,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-23 00:51:36,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:36,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 26413 backedges. 3716 proven. 97 refuted. 0 times theorem prover too weak. 22600 trivial. 0 not checked. [2021-11-23 00:51:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:38,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 283 states and 367 transitions. [2021-11-23 00:51:38,757 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 367 transitions. [2021-11-23 00:51:38,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-23 00:51:38,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:38,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 27136 backedges. 1435 proven. 3 refuted. 0 times theorem prover too weak. 25698 trivial. 0 not checked. [2021-11-23 00:51:39,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 284 states and 368 transitions. [2021-11-23 00:51:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 368 transitions. [2021-11-23 00:51:39,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-23 00:51:39,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:39,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 27366 backedges. 1662 proven. 6 refuted. 0 times theorem prover too weak. 25698 trivial. 0 not checked. [2021-11-23 00:51:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 285 states and 369 transitions. [2021-11-23 00:51:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 369 transitions. [2021-11-23 00:51:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-23 00:51:40,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:40,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 27597 backedges. 1889 proven. 10 refuted. 0 times theorem prover too weak. 25698 trivial. 0 not checked. [2021-11-23 00:51:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 286 states and 370 transitions. [2021-11-23 00:51:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 370 transitions. [2021-11-23 00:51:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-23 00:51:40,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:40,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 27829 backedges. 2116 proven. 15 refuted. 0 times theorem prover too weak. 25698 trivial. 0 not checked. [2021-11-23 00:51:41,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:41,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 287 states and 370 transitions. [2021-11-23 00:51:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 370 transitions. [2021-11-23 00:51:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-23 00:51:41,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:41,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 28062 backedges. 5221 proven. 220 refuted. 0 times theorem prover too weak. 22621 trivial. 0 not checked. [2021-11-23 00:51:44,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 291 states and 377 transitions. [2021-11-23 00:51:44,235 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 377 transitions. [2021-11-23 00:51:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-23 00:51:44,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:44,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:44,301 INFO L134 CoverageAnalysis]: Checked inductivity of 28807 backedges. 1479 proven. 3 refuted. 0 times theorem prover too weak. 27325 trivial. 0 not checked. [2021-11-23 00:51:44,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:44,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 292 states and 378 transitions. [2021-11-23 00:51:44,939 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 378 transitions. [2021-11-23 00:51:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-23 00:51:44,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:44,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 29044 backedges. 1713 proven. 6 refuted. 0 times theorem prover too weak. 27325 trivial. 0 not checked. [2021-11-23 00:51:45,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 293 states and 379 transitions. [2021-11-23 00:51:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 379 transitions. [2021-11-23 00:51:45,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-23 00:51:45,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:45,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 29282 backedges. 1947 proven. 10 refuted. 0 times theorem prover too weak. 27325 trivial. 0 not checked. [2021-11-23 00:51:46,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 294 states and 380 transitions. [2021-11-23 00:51:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 380 transitions. [2021-11-23 00:51:46,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-23 00:51:46,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:46,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:46,648 INFO L134 CoverageAnalysis]: Checked inductivity of 29521 backedges. 2181 proven. 15 refuted. 0 times theorem prover too weak. 27325 trivial. 0 not checked. [2021-11-23 00:51:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 295 states and 380 transitions. [2021-11-23 00:51:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 380 transitions. [2021-11-23 00:51:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-23 00:51:47,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:47,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 29761 backedges. 6726 proven. 393 refuted. 0 times theorem prover too weak. 22642 trivial. 0 not checked. [2021-11-23 00:51:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 299 states and 386 transitions. [2021-11-23 00:51:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 386 transitions. [2021-11-23 00:51:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-23 00:51:50,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:50,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 30528 backedges. 1523 proven. 3 refuted. 0 times theorem prover too weak. 29002 trivial. 0 not checked. [2021-11-23 00:51:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 300 states and 387 transitions. [2021-11-23 00:51:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 387 transitions. [2021-11-23 00:51:50,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-23 00:51:50,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:50,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30772 backedges. 1764 proven. 6 refuted. 0 times theorem prover too weak. 29002 trivial. 0 not checked. [2021-11-23 00:51:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 301 states and 388 transitions. [2021-11-23 00:51:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 388 transitions. [2021-11-23 00:51:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-23 00:51:51,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:51,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 31017 backedges. 2005 proven. 10 refuted. 0 times theorem prover too weak. 29002 trivial. 0 not checked. [2021-11-23 00:51:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 302 states and 389 transitions. [2021-11-23 00:51:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 389 transitions. [2021-11-23 00:51:52,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-23 00:51:52,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:52,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 31263 backedges. 2246 proven. 15 refuted. 0 times theorem prover too weak. 29002 trivial. 0 not checked. [2021-11-23 00:51:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:53,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 303 states and 389 transitions. [2021-11-23 00:51:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 389 transitions. [2021-11-23 00:51:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-23 00:51:53,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:53,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 31510 backedges. 782 proven. 3 refuted. 0 times theorem prover too weak. 30725 trivial. 0 not checked. [2021-11-23 00:51:54,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:54,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 304 states and 390 transitions. [2021-11-23 00:51:54,224 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 390 transitions. [2021-11-23 00:51:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-23 00:51:54,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:54,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 31758 backedges. 1027 proven. 6 refuted. 0 times theorem prover too weak. 30725 trivial. 0 not checked. [2021-11-23 00:51:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 305 states and 391 transitions. [2021-11-23 00:51:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 391 transitions. [2021-11-23 00:51:54,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-23 00:51:54,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:54,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 32007 backedges. 1272 proven. 10 refuted. 0 times theorem prover too weak. 30725 trivial. 0 not checked. [2021-11-23 00:51:55,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:55,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 306 states and 392 transitions. [2021-11-23 00:51:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 392 transitions. [2021-11-23 00:51:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-23 00:51:55,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:55,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 32257 backedges. 1517 proven. 15 refuted. 0 times theorem prover too weak. 30725 trivial. 0 not checked. [2021-11-23 00:51:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 307 states and 392 transitions. [2021-11-23 00:51:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 392 transitions. [2021-11-23 00:51:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-23 00:51:56,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:56,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:03,188 INFO L134 CoverageAnalysis]: Checked inductivity of 32508 backedges. 0 proven. 27993 refuted. 0 times theorem prover too weak. 4515 trivial. 0 not checked. [2021-11-23 00:52:50,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 305 states and 390 transitions. [2021-11-23 00:52:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 390 transitions. [2021-11-23 00:52:50,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:52:50,647 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 180 iterations. [2021-11-23 00:52:50,653 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:52:52,941 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2021-11-23 00:52:52,952 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:52:52,952 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2021-11-23 00:52:52,954 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-23 00:52:52,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:52:52 ImpRootNode [2021-11-23 00:52:52,955 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:52:52,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:52:52,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:52:52,956 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:52:52,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:46" (3/4) ... [2021-11-23 00:52:52,960 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:52:52,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 00:52:52,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-23 00:52:52,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 00:52:52,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:52:52,995 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:52:52,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:52:52,996 INFO L158 Benchmark]: Toolchain (without parser) took 187550.63ms. Allocated memory was 115.3MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 75.6MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 449.4MB. Max. memory is 16.1GB. [2021-11-23 00:52:52,996 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:52:52,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.87ms. Allocated memory is still 115.3MB. Free memory was 75.4MB in the beginning and 90.6MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:52:52,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.79ms. Allocated memory is still 115.3MB. Free memory was 90.6MB in the beginning and 89.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:52:52,997 INFO L158 Benchmark]: Boogie Preprocessor took 18.40ms. Allocated memory is still 115.3MB. Free memory was 89.4MB in the beginning and 88.4MB in the end (delta: 998.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:52:52,998 INFO L158 Benchmark]: RCFGBuilder took 244.58ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 79.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:52:52,998 INFO L158 Benchmark]: CodeCheck took 186928.00ms. Allocated memory was 115.3MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 79.0MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 596.7MB. Max. memory is 16.1GB. [2021-11-23 00:52:52,999 INFO L158 Benchmark]: Witness Printer took 39.61ms. Allocated memory is still 3.3GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:52:53,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 184.6s, OverallIterations: 180, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11600 SdHoareTripleChecker+Valid, 237.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9285 mSDsluCounter, 537 SdHoareTripleChecker+Invalid, 203.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 111867 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 157410 IncrementalHoareTripleChecker+Invalid, 269277 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111867 mSolverCounterUnsat, 537 mSDtfsCounter, 157410 mSolverCounterSat, 3.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188984 GetRequests, 186375 SyntacticMatches, 1177 SemanticMatches, 1432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016647 ImplicationChecksByTransitivity, 167.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.4s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 29047 NumberOfCodeBlocks, 29047 NumberOfCodeBlocksAsserted, 179 NumberOfCheckSat, 28868 ConstructedInterpolants, 0 QuantifiedInterpolants, 33350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 179 InterpolantComputations, 3 PerfectInterpolantSequences, 1992558/2047076 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 29]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: a <= 5 || ((((a <= 6 && 5 < b) && 5 < c) && b <= 6) && c <= 6) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((a <= 5 && b <= 5) || (((5 < c && a <= 5) && b <= 6) && c <= 6)) || a <= 4 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (a <= 4 || (a <= 5 && b <= 4)) || ((a <= 5 && b <= 5) && c <= 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.87ms. Allocated memory is still 115.3MB. Free memory was 75.4MB in the beginning and 90.6MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.79ms. Allocated memory is still 115.3MB. Free memory was 90.6MB in the beginning and 89.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.40ms. Allocated memory is still 115.3MB. Free memory was 89.4MB in the beginning and 88.4MB in the end (delta: 998.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 244.58ms. Allocated memory is still 115.3MB. Free memory was 88.4MB in the beginning and 79.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 186928.00ms. Allocated memory was 115.3MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 79.0MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 596.7MB. Max. memory is 16.1GB. * Witness Printer took 39.61ms. Allocated memory is still 3.3GB. Free memory was 2.8GB in the beginning and 2.8GB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:52:53,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca18106-8280-4d03-a572-3f2d1af67bae/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE