./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d244be5eb644329c39b09a876d7efbabf6f4ae01381ac861bb651770597cca8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:04:58,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:04:58,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:04:58,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:04:58,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:04:58,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:04:58,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:04:58,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:04:58,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:04:58,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:04:58,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:04:58,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:04:58,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:04:58,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:04:58,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:04:58,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:04:58,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:04:58,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:04:58,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:04:58,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:04:58,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:04:58,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:04:58,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:04:58,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:04:58,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:04:58,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:04:58,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:04:58,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:04:58,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:04:58,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:04:58,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:04:58,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:04:58,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:04:58,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:04:58,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:04:58,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:04:58,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:04:58,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:04:58,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:04:58,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:04:58,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:04:58,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 21:04:58,940 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:04:58,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:04:58,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:04:58,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:04:58,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:04:58,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:04:58,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:04:58,944 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:04:58,944 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:04:58,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:04:58,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:04:58,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:04:58,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:04:58,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:04:58,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:04:58,946 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 21:04:58,946 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:04:58,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:04:58,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:04:58,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:04:58,947 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:04:58,947 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:04:58,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:04:58,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:58,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:04:58,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:04:58,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:04:58,949 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:04:58,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:04:58,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:04:58,950 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_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d244be5eb644329c39b09a876d7efbabf6f4ae01381ac861bb651770597cca8 [2021-11-13 21:04:59,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:04:59,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:04:59,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:04:59,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:04:59,256 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:04:59,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-11-13 21:04:59,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/data/76ce60b47/d1ce018499ae40a1be63d22e81089922/FLAG3e97cd496 [2021-11-13 21:04:59,822 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:04:59,823 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-11-13 21:04:59,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/data/76ce60b47/d1ce018499ae40a1be63d22e81089922/FLAG3e97cd496 [2021-11-13 21:05:00,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/data/76ce60b47/d1ce018499ae40a1be63d22e81089922 [2021-11-13 21:05:00,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:05:00,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:05:00,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:00,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:05:00,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:05:00,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1779c818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00, skipping insertion in model container [2021-11-13 21:05:00,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:05:00,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:05:00,578 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44603,44616] [2021-11-13 21:05:00,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:05:00,607 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:05:00,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44603,44616] [2021-11-13 21:05:00,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:05:00,694 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:05:00,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00 WrapperNode [2021-11-13 21:05:00,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:00,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:05:00,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:05:00,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:05:00,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:05:00,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:05:00,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:05:00,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:05:00,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:05:00,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:05:00,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:05:00,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:05:00,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:05:00,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:05:00,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:05:00,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cd1c89b-a011-4716-9bd2-1d125a49e88e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:05:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:05:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:05:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:05:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:05:01,065 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 21:05:01,704 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-13 21:05:01,705 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-13 21:05:01,865 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:05:01,865 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 21:05:01,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:01 BoogieIcfgContainer [2021-11-13 21:05:01,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:05:01,870 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:05:01,870 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:05:01,879 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:05:01,879 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:05:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2021-11-13 21:05:01,956 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2021-11-13 21:05:01,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:05:01,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:01,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 121 states and 200 transitions. [2021-11-13 21:05:02,320 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 200 transitions. [2021-11-13 21:05:02,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:05:02,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:02,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 122 states and 201 transitions. [2021-11-13 21:05:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 201 transitions. [2021-11-13 21:05:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:05:02,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:02,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 202 transitions. [2021-11-13 21:05:02,564 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2021-11-13 21:05:02,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:05:02,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 124 states and 203 transitions. [2021-11-13 21:05:02,691 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 203 transitions. [2021-11-13 21:05:02,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:05:02,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 125 states and 204 transitions. [2021-11-13 21:05:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 204 transitions. [2021-11-13 21:05:02,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:05:02,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 126 states and 205 transitions. [2021-11-13 21:05:02,839 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 205 transitions. [2021-11-13 21:05:02,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:05:02,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 128 states and 207 transitions. [2021-11-13 21:05:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 207 transitions. [2021-11-13 21:05:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:05:02,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:03,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:03,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:03,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 132 states and 218 transitions. [2021-11-13 21:05:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 218 transitions. [2021-11-13 21:05:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:05:03,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:03,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:03,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2021-11-13 21:05:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2021-11-13 21:05:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:05:03,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:03,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:03,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 138 states and 241 transitions. [2021-11-13 21:05:03,467 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 241 transitions. [2021-11-13 21:05:03,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 21:05:03,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:03,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:03,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:03,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 144 states and 254 transitions. [2021-11-13 21:05:03,733 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 254 transitions. [2021-11-13 21:05:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 21:05:03,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:03,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:03,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 145 states and 254 transitions. [2021-11-13 21:05:03,817 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 254 transitions. [2021-11-13 21:05:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:05:03,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:03,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:03,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:03,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 147 states and 256 transitions. [2021-11-13 21:05:03,881 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 256 transitions. [2021-11-13 21:05:03,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:05:03,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:03,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:03,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 150 states and 260 transitions. [2021-11-13 21:05:04,006 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 260 transitions. [2021-11-13 21:05:04,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 21:05:04,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:04,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 152 states and 262 transitions. [2021-11-13 21:05:04,070 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 262 transitions. [2021-11-13 21:05:04,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 21:05:04,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 263 transitions. [2021-11-13 21:05:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 263 transitions. [2021-11-13 21:05:04,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:04,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:05:04,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 158 states and 271 transitions. [2021-11-13 21:05:04,206 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 271 transitions. [2021-11-13 21:05:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 21:05:04,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 161 states and 275 transitions. [2021-11-13 21:05:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 275 transitions. [2021-11-13 21:05:04,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 21:05:04,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 276 transitions. [2021-11-13 21:05:04,341 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 276 transitions. [2021-11-13 21:05:04,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 21:05:04,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:04,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 163 states and 277 transitions. [2021-11-13 21:05:04,388 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 277 transitions. [2021-11-13 21:05:04,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 21:05:04,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 165 states and 280 transitions. [2021-11-13 21:05:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 280 transitions. [2021-11-13 21:05:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 21:05:04,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2021-11-13 21:05:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2021-11-13 21:05:04,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:05:04,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,616 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 168 states and 283 transitions. [2021-11-13 21:05:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 283 transitions. [2021-11-13 21:05:04,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 21:05:04,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:04,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 172 states and 294 transitions. [2021-11-13 21:05:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 294 transitions. [2021-11-13 21:05:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 21:05:04,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,873 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 173 states and 295 transitions. [2021-11-13 21:05:04,893 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 295 transitions. [2021-11-13 21:05:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 21:05:04,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:05,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 190 states and 332 transitions. [2021-11-13 21:05:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 332 transitions. [2021-11-13 21:05:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 21:05:05,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:05,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:05,404 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 191 states and 332 transitions. [2021-11-13 21:05:05,494 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 332 transitions. [2021-11-13 21:05:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 21:05:05,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:05,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:05,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 192 states and 333 transitions. [2021-11-13 21:05:05,533 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 333 transitions. [2021-11-13 21:05:05,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 21:05:05,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:05,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:05,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 200 states and 342 transitions. [2021-11-13 21:05:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 342 transitions. [2021-11-13 21:05:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 21:05:05,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:05,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:06,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 201 states and 342 transitions. [2021-11-13 21:05:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 342 transitions. [2021-11-13 21:05:06,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 21:05:06,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:06,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 203 states and 345 transitions. [2021-11-13 21:05:06,061 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 345 transitions. [2021-11-13 21:05:06,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 21:05:06,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:06,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 213 states and 368 transitions. [2021-11-13 21:05:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 368 transitions. [2021-11-13 21:05:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 21:05:06,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:06,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 214 states and 371 transitions. [2021-11-13 21:05:06,524 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 371 transitions. [2021-11-13 21:05:06,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 21:05:06,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,566 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 217 states and 375 transitions. [2021-11-13 21:05:06,690 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 375 transitions. [2021-11-13 21:05:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 21:05:06,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:07,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 219 states and 381 transitions. [2021-11-13 21:05:07,048 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 381 transitions. [2021-11-13 21:05:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 21:05:07,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:07,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 239 states and 418 transitions. [2021-11-13 21:05:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 418 transitions. [2021-11-13 21:05:08,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 21:05:08,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:08,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:08,344 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:08,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 240 states and 421 transitions. [2021-11-13 21:05:08,491 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 421 transitions. [2021-11-13 21:05:08,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 21:05:08,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:08,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:08,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:08,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 241 states and 422 transitions. [2021-11-13 21:05:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 422 transitions. [2021-11-13 21:05:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 21:05:08,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:08,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:08,610 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:08,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 243 states and 427 transitions. [2021-11-13 21:05:08,963 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 427 transitions. [2021-11-13 21:05:08,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 21:05:08,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:08,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:09,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:09,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 245 states and 432 transitions. [2021-11-13 21:05:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 432 transitions. [2021-11-13 21:05:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:05:09,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:09,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:09,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:05:09,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:09,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:11,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 294 states and 520 transitions. [2021-11-13 21:05:11,970 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 520 transitions. [2021-11-13 21:05:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:05:11,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:11,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:12,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:05:12,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:12,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:12,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 295 states and 521 transitions. [2021-11-13 21:05:12,136 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 521 transitions. [2021-11-13 21:05:12,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:05:12,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:12,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:12,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:05:12,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:13,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:13,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 312 states and 547 transitions. [2021-11-13 21:05:13,395 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 547 transitions. [2021-11-13 21:05:13,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 21:05:13,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:13,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 326 states and 580 transitions. [2021-11-13 21:05:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 580 transitions. [2021-11-13 21:05:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 21:05:14,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:14,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:14,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 329 states and 595 transitions. [2021-11-13 21:05:14,641 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 595 transitions. [2021-11-13 21:05:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 21:05:14,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:14,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 330 states and 605 transitions. [2021-11-13 21:05:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 605 transitions. [2021-11-13 21:05:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 21:05:14,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:14,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 341 states and 628 transitions. [2021-11-13 21:05:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 628 transitions. [2021-11-13 21:05:15,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 21:05:15,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:15,112 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:15,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 342 states and 630 transitions. [2021-11-13 21:05:15,287 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 630 transitions. [2021-11-13 21:05:15,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 21:05:15,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:15,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 343 states and 631 transitions. [2021-11-13 21:05:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 631 transitions. [2021-11-13 21:05:15,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 21:05:15,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:15,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 343 states and 628 transitions. [2021-11-13 21:05:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 628 transitions. [2021-11-13 21:05:15,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 21:05:15,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 348 states and 639 transitions. [2021-11-13 21:05:15,629 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 639 transitions. [2021-11-13 21:05:15,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 21:05:15,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 350 states and 643 transitions. [2021-11-13 21:05:15,666 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 643 transitions. [2021-11-13 21:05:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 21:05:15,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 351 states and 644 transitions. [2021-11-13 21:05:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 644 transitions. [2021-11-13 21:05:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 21:05:15,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:15,754 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 352 states and 644 transitions. [2021-11-13 21:05:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 644 transitions. [2021-11-13 21:05:15,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 21:05:15,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:15,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 353 states and 644 transitions. [2021-11-13 21:05:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 644 transitions. [2021-11-13 21:05:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 21:05:15,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:15,833 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:15,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 358 states and 656 transitions. [2021-11-13 21:05:15,850 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 656 transitions. [2021-11-13 21:05:15,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 21:05:15,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:16,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 369 states and 668 transitions. [2021-11-13 21:05:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 668 transitions. [2021-11-13 21:05:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 21:05:16,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:16,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 370 states and 669 transitions. [2021-11-13 21:05:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 669 transitions. [2021-11-13 21:05:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 21:05:16,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:16,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 371 states and 670 transitions. [2021-11-13 21:05:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 670 transitions. [2021-11-13 21:05:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 21:05:16,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:16,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:16,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:16,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 386 states and 685 transitions. [2021-11-13 21:05:16,684 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 685 transitions. [2021-11-13 21:05:16,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 21:05:16,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:16,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 400 states and 706 transitions. [2021-11-13 21:05:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 706 transitions. [2021-11-13 21:05:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 21:05:17,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:17,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 21:05:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 406 states and 716 transitions. [2021-11-13 21:05:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 716 transitions. [2021-11-13 21:05:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 21:05:17,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:17,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:18,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 418 states and 747 transitions. [2021-11-13 21:05:18,212 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 747 transitions. [2021-11-13 21:05:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 21:05:18,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:18,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 420 states and 748 transitions. [2021-11-13 21:05:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 748 transitions. [2021-11-13 21:05:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 21:05:18,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:18,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 425 states and 760 transitions. [2021-11-13 21:05:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 760 transitions. [2021-11-13 21:05:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 21:05:18,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:18,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:18,457 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:18,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 429 states and 769 transitions. [2021-11-13 21:05:18,475 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 769 transitions. [2021-11-13 21:05:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 21:05:18,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:18,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 21:05:18,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:18,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 430 states and 770 transitions. [2021-11-13 21:05:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 770 transitions. [2021-11-13 21:05:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 21:05:18,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:18,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:18,629 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:18,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:18,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 431 states and 771 transitions. [2021-11-13 21:05:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 771 transitions. [2021-11-13 21:05:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 21:05:18,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:18,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 436 states and 783 transitions. [2021-11-13 21:05:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 783 transitions. [2021-11-13 21:05:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 21:05:18,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:18,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:19,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 440 states and 792 transitions. [2021-11-13 21:05:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 792 transitions. [2021-11-13 21:05:19,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 21:05:19,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:19,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:19,035 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 441 states and 791 transitions. [2021-11-13 21:05:19,263 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 791 transitions. [2021-11-13 21:05:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 21:05:19,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:19,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:19,286 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:19,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 441 states and 790 transitions. [2021-11-13 21:05:19,319 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 790 transitions. [2021-11-13 21:05:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 21:05:19,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:19,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 473 states and 838 transitions. [2021-11-13 21:05:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 838 transitions. [2021-11-13 21:05:21,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 21:05:21,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:21,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:21,510 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 475 states and 839 transitions. [2021-11-13 21:05:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 839 transitions. [2021-11-13 21:05:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 21:05:21,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:21,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:22,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 476 states and 840 transitions. [2021-11-13 21:05:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 840 transitions. [2021-11-13 21:05:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 21:05:22,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:22,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:22,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:05:22,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:24,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 502 states and 876 transitions. [2021-11-13 21:05:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 876 transitions. [2021-11-13 21:05:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 21:05:24,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:24,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:24,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:05:24,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:25,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:25,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 504 states and 877 transitions. [2021-11-13 21:05:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 877 transitions. [2021-11-13 21:05:25,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 21:05:25,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:25,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:25,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:05:25,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:25,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 505 states and 878 transitions. [2021-11-13 21:05:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 878 transitions. [2021-11-13 21:05:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 21:05:25,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:25,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 515 states and 890 transitions. [2021-11-13 21:05:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 890 transitions. [2021-11-13 21:05:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 21:05:26,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:26,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:26,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 516 states and 890 transitions. [2021-11-13 21:05:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 890 transitions. [2021-11-13 21:05:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 21:05:27,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:27,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:27,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 521 states and 900 transitions. [2021-11-13 21:05:27,175 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 900 transitions. [2021-11-13 21:05:27,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 21:05:27,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:27,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:27,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:27,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 525 states and 908 transitions. [2021-11-13 21:05:27,221 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 908 transitions. [2021-11-13 21:05:27,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 21:05:27,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:27,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:27,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:05:27,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:31,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:31,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 564 states and 1019 transitions. [2021-11-13 21:05:31,234 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1019 transitions. [2021-11-13 21:05:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 21:05:31,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:31,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:31,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:05:31,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 578 states and 1042 transitions. [2021-11-13 21:05:32,535 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1042 transitions. [2021-11-13 21:05:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 21:05:32,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:32,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:32,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:05:32,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:33,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:33,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 587 states and 1058 transitions. [2021-11-13 21:05:33,512 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1058 transitions. [2021-11-13 21:05:33,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 21:05:33,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:33,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:33,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:05:33,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:33,715 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 589 states and 1059 transitions. [2021-11-13 21:05:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1059 transitions. [2021-11-13 21:05:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 21:05:34,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:34,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:34,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:34,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 590 states and 1060 transitions. [2021-11-13 21:05:34,627 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1060 transitions. [2021-11-13 21:05:34,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 21:05:34,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:34,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:34,652 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 591 states and 1061 transitions. [2021-11-13 21:05:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1061 transitions. [2021-11-13 21:05:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 21:05:34,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:34,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:34,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 594 states and 1066 transitions. [2021-11-13 21:05:34,958 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1066 transitions. [2021-11-13 21:05:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 21:05:34,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:34,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:35,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:05:35,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:36,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:36,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 612 states and 1088 transitions. [2021-11-13 21:05:36,157 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1088 transitions. [2021-11-13 21:05:36,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 21:05:36,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:36,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:36,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:05:36,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:36,348 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:36,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 613 states and 1089 transitions. [2021-11-13 21:05:36,640 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1089 transitions. [2021-11-13 21:05:36,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 21:05:36,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:36,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:36,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 614 states and 1090 transitions. [2021-11-13 21:05:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1090 transitions. [2021-11-13 21:05:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 21:05:36,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:36,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:36,721 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:36,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 615 states and 1091 transitions. [2021-11-13 21:05:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1091 transitions. [2021-11-13 21:05:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 21:05:36,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:36,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 618 states and 1096 transitions. [2021-11-13 21:05:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1096 transitions. [2021-11-13 21:05:37,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 21:05:37,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:37,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:37,243 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 619 states and 1096 transitions. [2021-11-13 21:05:37,271 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1096 transitions. [2021-11-13 21:05:37,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 21:05:37,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:37,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:05:38,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 630 states and 1111 transitions. [2021-11-13 21:05:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1111 transitions. [2021-11-13 21:05:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 21:05:38,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:38,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:05:39,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:39,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 631 states and 1111 transitions. [2021-11-13 21:05:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1111 transitions. [2021-11-13 21:05:39,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 21:05:39,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:39,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:39,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:05:39,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:39,390 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:40,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:40,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 637 states and 1128 transitions. [2021-11-13 21:05:40,512 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1128 transitions. [2021-11-13 21:05:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 21:05:40,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:40,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:40,540 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 638 states and 1129 transitions. [2021-11-13 21:05:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1129 transitions. [2021-11-13 21:05:40,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 21:05:40,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:40,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 647 states and 1141 transitions. [2021-11-13 21:05:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1141 transitions. [2021-11-13 21:05:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 21:05:41,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:41,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:41,234 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 21:05:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 646 states and 1138 transitions. [2021-11-13 21:05:41,759 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1138 transitions. [2021-11-13 21:05:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 21:05:41,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:41,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:41,788 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 647 states and 1139 transitions. [2021-11-13 21:05:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1139 transitions. [2021-11-13 21:05:41,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 21:05:41,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:41,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:44,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 675 states and 1174 transitions. [2021-11-13 21:05:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1174 transitions. [2021-11-13 21:05:44,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 21:05:44,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:44,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:44,906 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:45,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 684 states and 1182 transitions. [2021-11-13 21:05:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1182 transitions. [2021-11-13 21:05:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 21:05:45,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:45,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:45,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 685 states and 1183 transitions. [2021-11-13 21:05:45,673 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1183 transitions. [2021-11-13 21:05:45,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 21:05:45,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:45,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:05:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 694 states and 1199 transitions. [2021-11-13 21:05:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1199 transitions. [2021-11-13 21:05:47,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 21:05:47,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:47,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 695 states and 1201 transitions. [2021-11-13 21:05:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1201 transitions. [2021-11-13 21:05:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 21:05:47,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:47,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 697 states and 1203 transitions. [2021-11-13 21:05:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1203 transitions. [2021-11-13 21:05:47,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 21:05:47,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:47,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:05:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 701 states and 1211 transitions. [2021-11-13 21:05:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1211 transitions. [2021-11-13 21:05:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 21:05:48,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:48,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:48,353 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:05:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 715 states and 1232 transitions. [2021-11-13 21:05:49,092 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1232 transitions. [2021-11-13 21:05:49,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 21:05:49,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:49,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:49,117 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:05:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 716 states and 1233 transitions. [2021-11-13 21:05:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1233 transitions. [2021-11-13 21:05:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 21:05:49,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:49,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:49,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:49,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 717 states and 1234 transitions. [2021-11-13 21:05:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1234 transitions. [2021-11-13 21:05:49,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 21:05:49,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:49,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 21:05:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:49,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 733 states and 1249 transitions. [2021-11-13 21:05:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1249 transitions. [2021-11-13 21:05:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 21:05:49,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:49,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 756 states and 1284 transitions. [2021-11-13 21:05:51,344 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1284 transitions. [2021-11-13 21:05:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 21:05:51,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:51,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 760 states and 1287 transitions. [2021-11-13 21:05:51,563 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1287 transitions. [2021-11-13 21:05:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 21:05:51,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:51,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:51,589 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 761 states and 1287 transitions. [2021-11-13 21:05:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1287 transitions. [2021-11-13 21:05:52,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 21:05:52,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:52,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:05:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 763 states and 1289 transitions. [2021-11-13 21:05:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1289 transitions. [2021-11-13 21:05:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 21:05:52,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:52,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:52,089 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:05:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 764 states and 1290 transitions. [2021-11-13 21:05:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1290 transitions. [2021-11-13 21:05:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 21:05:52,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:52,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:05:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:52,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 765 states and 1291 transitions. [2021-11-13 21:05:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1291 transitions. [2021-11-13 21:05:52,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 21:05:52,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:52,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:52,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 768 states and 1301 transitions. [2021-11-13 21:05:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1301 transitions. [2021-11-13 21:05:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 21:05:52,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:52,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 772 states and 1308 transitions. [2021-11-13 21:05:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1308 transitions. [2021-11-13 21:05:52,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:05:52,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:52,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:52,658 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:05:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 773 states and 1309 transitions. [2021-11-13 21:05:52,680 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1309 transitions. [2021-11-13 21:05:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:05:52,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:52,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:53,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 774 states and 1310 transitions. [2021-11-13 21:05:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1310 transitions. [2021-11-13 21:05:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:05:53,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:53,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:54,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:54,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 791 states and 1330 transitions. [2021-11-13 21:05:54,094 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1330 transitions. [2021-11-13 21:05:54,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:05:54,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:54,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 794 states and 1332 transitions. [2021-11-13 21:05:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1332 transitions. [2021-11-13 21:05:54,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:05:54,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:54,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:54,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:54,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 795 states and 1332 transitions. [2021-11-13 21:05:54,999 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1332 transitions. [2021-11-13 21:05:54,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:05:54,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:54,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 796 states and 1332 transitions. [2021-11-13 21:05:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1332 transitions. [2021-11-13 21:05:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:05:55,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:55,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:55,439 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:05:55,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 797 states and 1333 transitions. [2021-11-13 21:05:55,461 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1333 transitions. [2021-11-13 21:05:55,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:05:55,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:55,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:05:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 798 states and 1334 transitions. [2021-11-13 21:05:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1334 transitions. [2021-11-13 21:05:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:05:55,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:55,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:55,539 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:55,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 799 states and 1335 transitions. [2021-11-13 21:05:55,562 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1335 transitions. [2021-11-13 21:05:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:05:55,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:55,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 21:05:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 803 states and 1342 transitions. [2021-11-13 21:05:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1342 transitions. [2021-11-13 21:05:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 21:05:56,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:56,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:05:57,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 803 states and 1336 transitions. [2021-11-13 21:05:57,388 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1336 transitions. [2021-11-13 21:05:57,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 21:05:57,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:57,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:05:57,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:57,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 805 states and 1345 transitions. [2021-11-13 21:05:57,442 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1345 transitions. [2021-11-13 21:05:57,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 21:05:57,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:57,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:57,464 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:57,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 809 states and 1355 transitions. [2021-11-13 21:05:57,988 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1355 transitions. [2021-11-13 21:05:57,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-13 21:05:57,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:57,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:05:58,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 826 states and 1373 transitions. [2021-11-13 21:05:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1373 transitions. [2021-11-13 21:05:58,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 21:05:58,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:58,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:58,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:05:58,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:05:58,993 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 858 states and 1419 transitions. [2021-11-13 21:06:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1419 transitions. [2021-11-13 21:06:01,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 21:06:01,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:01,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:01,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:01,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:02,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 860 states and 1420 transitions. [2021-11-13 21:06:02,410 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1420 transitions. [2021-11-13 21:06:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 21:06:02,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:02,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:02,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:02,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:03,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:03,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 861 states and 1421 transitions. [2021-11-13 21:06:03,086 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1421 transitions. [2021-11-13 21:06:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 21:06:03,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:03,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:06:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:03,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 869 states and 1438 transitions. [2021-11-13 21:06:03,539 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1438 transitions. [2021-11-13 21:06:03,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 21:06:03,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:03,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:06:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:03,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 871 states and 1442 transitions. [2021-11-13 21:06:03,596 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1442 transitions. [2021-11-13 21:06:03,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 21:06:03,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:03,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:03,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:03,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:04,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:04,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 872 states and 1444 transitions. [2021-11-13 21:06:04,112 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1444 transitions. [2021-11-13 21:06:04,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 21:06:04,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:04,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:06:05,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:05,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 894 states and 1475 transitions. [2021-11-13 21:06:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1475 transitions. [2021-11-13 21:06:05,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 21:06:05,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:05,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:06:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 912 states and 1493 transitions. [2021-11-13 21:06:06,915 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1493 transitions. [2021-11-13 21:06:06,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:06:06,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:06,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:06:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 913 states and 1494 transitions. [2021-11-13 21:06:06,964 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1494 transitions. [2021-11-13 21:06:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:06:06,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:06,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:09,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:09,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 932 states and 1521 transitions. [2021-11-13 21:06:09,936 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1521 transitions. [2021-11-13 21:06:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:06:09,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:09,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:12,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 950 states and 1548 transitions. [2021-11-13 21:06:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1548 transitions. [2021-11-13 21:06:12,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:06:12,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:12,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:12,262 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:13,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:13,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 952 states and 1548 transitions. [2021-11-13 21:06:13,101 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1548 transitions. [2021-11-13 21:06:13,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:06:13,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:13,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:13,120 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 957 states and 1554 transitions. [2021-11-13 21:06:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1554 transitions. [2021-11-13 21:06:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:06:14,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:14,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:15,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:15,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 958 states and 1554 transitions. [2021-11-13 21:06:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1554 transitions. [2021-11-13 21:06:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:06:15,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:15,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:15,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 959 states and 1554 transitions. [2021-11-13 21:06:15,575 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1554 transitions. [2021-11-13 21:06:15,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:06:15,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:15,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:16,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:16,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 960 states and 1555 transitions. [2021-11-13 21:06:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1555 transitions. [2021-11-13 21:06:16,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:06:16,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:16,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 961 states and 1555 transitions. [2021-11-13 21:06:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1555 transitions. [2021-11-13 21:06:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:06:16,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:16,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:06:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:16,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 962 states and 1558 transitions. [2021-11-13 21:06:16,530 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1558 transitions. [2021-11-13 21:06:16,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 21:06:16,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:16,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:06:17,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 966 states and 1564 transitions. [2021-11-13 21:06:17,795 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1564 transitions. [2021-11-13 21:06:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 21:06:17,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:17,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:06:20,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 992 states and 1595 transitions. [2021-11-13 21:06:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1595 transitions. [2021-11-13 21:06:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 21:06:20,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:20,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 21:06:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 993 states and 1595 transitions. [2021-11-13 21:06:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1595 transitions. [2021-11-13 21:06:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 21:06:21,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:21,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:06:22,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:22,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1015 states and 1631 transitions. [2021-11-13 21:06:22,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1631 transitions. [2021-11-13 21:06:22,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 21:06:22,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:22,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:22,435 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:06:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:22,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1020 states and 1638 transitions. [2021-11-13 21:06:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1638 transitions. [2021-11-13 21:06:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 21:06:22,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:22,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:06:22,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1021 states and 1639 transitions. [2021-11-13 21:06:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1639 transitions. [2021-11-13 21:06:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 21:06:22,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:22,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:06:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:23,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1038 states and 1656 transitions. [2021-11-13 21:06:23,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1656 transitions. [2021-11-13 21:06:23,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 21:06:23,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:23,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:06:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1039 states and 1657 transitions. [2021-11-13 21:06:23,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1657 transitions. [2021-11-13 21:06:23,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 21:06:23,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:23,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:06:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:23,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1043 states and 1663 transitions. [2021-11-13 21:06:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1663 transitions. [2021-11-13 21:06:23,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 21:06:23,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:23,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:06:23,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:23,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1044 states and 1664 transitions. [2021-11-13 21:06:23,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1664 transitions. [2021-11-13 21:06:23,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 21:06:23,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:23,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 21:06:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:23,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1055 states and 1684 transitions. [2021-11-13 21:06:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1684 transitions. [2021-11-13 21:06:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 21:06:23,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:23,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:06:24,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1055 states and 1676 transitions. [2021-11-13 21:06:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1676 transitions. [2021-11-13 21:06:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 21:06:24,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:24,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:06:24,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:24,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1056 states and 1677 transitions. [2021-11-13 21:06:24,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1677 transitions. [2021-11-13 21:06:24,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 21:06:24,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:24,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 21:06:25,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:25,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1060 states and 1683 transitions. [2021-11-13 21:06:25,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1683 transitions. [2021-11-13 21:06:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 21:06:25,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:25,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:06:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1078 states and 1705 transitions. [2021-11-13 21:06:27,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1705 transitions. [2021-11-13 21:06:27,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-13 21:06:27,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:27,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:27,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:27,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:06:29,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1092 states and 1723 transitions. [2021-11-13 21:06:29,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1723 transitions. [2021-11-13 21:06:29,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-13 21:06:29,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:29,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:29,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:29,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:06:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1100 states and 1731 transitions. [2021-11-13 21:06:30,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1731 transitions. [2021-11-13 21:06:30,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-13 21:06:30,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:30,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:06:31,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1101 states and 1732 transitions. [2021-11-13 21:06:31,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1732 transitions. [2021-11-13 21:06:31,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-13 21:06:31,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:31,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:06:32,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:32,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1102 states and 1734 transitions. [2021-11-13 21:06:32,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1734 transitions. [2021-11-13 21:06:32,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-13 21:06:32,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:32,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:32,276 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:06:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1116 states and 1751 transitions. [2021-11-13 21:06:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1751 transitions. [2021-11-13 21:06:33,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-13 21:06:33,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:33,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:33,960 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:06:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:34,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1124 states and 1758 transitions. [2021-11-13 21:06:34,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1758 transitions. [2021-11-13 21:06:34,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-13 21:06:34,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:34,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 21:06:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:35,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1124 states and 1750 transitions. [2021-11-13 21:06:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1750 transitions. [2021-11-13 21:06:35,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 21:06:35,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:35,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:35,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:06:35,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 21:06:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1129 states and 1761 transitions. [2021-11-13 21:06:37,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1761 transitions. [2021-11-13 21:06:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-13 21:06:37,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:37,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:38,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:38,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1144 states and 1787 transitions. [2021-11-13 21:06:38,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1787 transitions. [2021-11-13 21:06:38,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-13 21:06:38,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:38,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 21:06:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1147 states and 1797 transitions. [2021-11-13 21:06:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1797 transitions. [2021-11-13 21:06:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-13 21:06:39,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:39,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:39,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:39,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1148 states and 1800 transitions. [2021-11-13 21:06:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1800 transitions. [2021-11-13 21:06:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-13 21:06:39,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:39,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:39,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:06:39,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 21:06:40,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:40,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1150 states and 1802 transitions. [2021-11-13 21:06:40,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1802 transitions. [2021-11-13 21:06:40,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-13 21:06:40,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:40,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:06:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1162 states and 1813 transitions. [2021-11-13 21:06:41,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1813 transitions. [2021-11-13 21:06:41,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-13 21:06:41,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:41,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:41,571 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:06:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:42,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1174 states and 1824 transitions. [2021-11-13 21:06:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1824 transitions. [2021-11-13 21:06:42,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-13 21:06:42,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:42,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 21:06:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1185 states and 1842 transitions. [2021-11-13 21:06:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1842 transitions. [2021-11-13 21:06:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-13 21:06:44,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:44,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-13 21:06:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1187 states and 1845 transitions. [2021-11-13 21:06:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1845 transitions. [2021-11-13 21:06:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-13 21:06:44,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:44,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:44,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:44,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:44,989 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1195 states and 1853 transitions. [2021-11-13 21:06:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1853 transitions. [2021-11-13 21:06:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-13 21:06:45,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:45,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:45,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:45,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:46,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1203 states and 1861 transitions. [2021-11-13 21:06:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1861 transitions. [2021-11-13 21:06:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-13 21:06:46,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:46,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 21:06:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1207 states and 1867 transitions. [2021-11-13 21:06:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1867 transitions. [2021-11-13 21:06:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-13 21:06:46,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:46,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-13 21:06:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:47,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1210 states and 1873 transitions. [2021-11-13 21:06:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1873 transitions. [2021-11-13 21:06:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-13 21:06:47,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:47,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-13 21:06:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1212 states and 1874 transitions. [2021-11-13 21:06:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1874 transitions. [2021-11-13 21:06:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-13 21:06:47,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:47,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:47,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:47,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1230 states and 1898 transitions. [2021-11-13 21:06:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1898 transitions. [2021-11-13 21:06:49,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-13 21:06:49,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:49,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:49,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:49,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:50,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1231 states and 1899 transitions. [2021-11-13 21:06:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1899 transitions. [2021-11-13 21:06:50,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-13 21:06:50,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:50,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:50,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:50,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1239 states and 1913 transitions. [2021-11-13 21:06:51,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1913 transitions. [2021-11-13 21:06:51,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-13 21:06:51,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:51,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:51,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:51,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:51,314 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:51,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1241 states and 1915 transitions. [2021-11-13 21:06:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1915 transitions. [2021-11-13 21:06:51,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-13 21:06:51,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:51,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 21:06:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1242 states and 1916 transitions. [2021-11-13 21:06:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1916 transitions. [2021-11-13 21:06:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 21:06:51,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:51,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:51,851 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-13 21:06:52,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1235 states and 1908 transitions. [2021-11-13 21:06:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1908 transitions. [2021-11-13 21:06:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 21:06:52,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:52,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:06:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1249 states and 1926 transitions. [2021-11-13 21:06:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1926 transitions. [2021-11-13 21:06:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 21:06:54,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:54,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-13 21:06:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:55,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1248 states and 1924 transitions. [2021-11-13 21:06:55,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1924 transitions. [2021-11-13 21:06:55,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 21:06:55,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:55,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:06:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:56,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1257 states and 1933 transitions. [2021-11-13 21:06:56,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1933 transitions. [2021-11-13 21:06:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 21:06:56,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:56,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:56,298 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-13 21:06:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1261 states and 1943 transitions. [2021-11-13 21:06:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1943 transitions. [2021-11-13 21:06:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 21:06:57,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:57,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:57,041 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-13 21:06:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1263 states and 1947 transitions. [2021-11-13 21:06:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1947 transitions. [2021-11-13 21:06:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-13 21:06:57,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:57,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:57,625 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:06:58,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:58,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1281 states and 1965 transitions. [2021-11-13 21:06:58,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1965 transitions. [2021-11-13 21:06:58,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 21:06:58,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:58,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:58,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:06:58,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:06:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:02,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 1313 states and 2012 transitions. [2021-11-13 21:07:02,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 2012 transitions. [2021-11-13 21:07:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 21:07:02,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:02,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:02,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:07:02,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:03,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1315 states and 2013 transitions. [2021-11-13 21:07:03,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 2013 transitions. [2021-11-13 21:07:03,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 21:07:03,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:03,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:03,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:07:03,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1316 states and 2014 transitions. [2021-11-13 21:07:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 2014 transitions. [2021-11-13 21:07:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 21:07:03,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:03,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:03,992 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:07:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 1334 states and 2032 transitions. [2021-11-13 21:07:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 2032 transitions. [2021-11-13 21:07:05,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 21:07:05,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:05,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-13 21:07:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 1345 states and 2048 transitions. [2021-11-13 21:07:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 2048 transitions. [2021-11-13 21:07:06,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 21:07:06,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:06,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:07:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 1346 states and 2049 transitions. [2021-11-13 21:07:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 2049 transitions. [2021-11-13 21:07:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 21:07:06,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:06,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:07:06,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:06,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 1348 states and 2051 transitions. [2021-11-13 21:07:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 2051 transitions. [2021-11-13 21:07:06,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 21:07:06,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:06,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:06,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:07:06,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:06,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1349 states and 2055 transitions. [2021-11-13 21:07:06,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2055 transitions. [2021-11-13 21:07:06,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 21:07:06,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:06,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:06,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:07:06,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:07,059 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:10,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:10,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 1365 states and 2080 transitions. [2021-11-13 21:07:10,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 2080 transitions. [2021-11-13 21:07:10,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 21:07:10,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:10,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:10,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:07:10,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:10,285 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1373 states and 2087 transitions. [2021-11-13 21:07:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 2087 transitions. [2021-11-13 21:07:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 21:07:10,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:10,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:10,922 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 21:07:11,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1377 states and 2093 transitions. [2021-11-13 21:07:11,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2093 transitions. [2021-11-13 21:07:11,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:07:11,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:11,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:07:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1378 states and 2095 transitions. [2021-11-13 21:07:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2095 transitions. [2021-11-13 21:07:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:07:12,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:12,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:07:14,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:14,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 1399 states and 2116 transitions. [2021-11-13 21:07:14,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 2116 transitions. [2021-11-13 21:07:14,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:07:14,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:14,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:07:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:16,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 1416 states and 2132 transitions. [2021-11-13 21:07:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2132 transitions. [2021-11-13 21:07:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:07:16,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:16,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:21,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:21,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 1437 states and 2162 transitions. [2021-11-13 21:07:21,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2162 transitions. [2021-11-13 21:07:21,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:07:21,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:21,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1457 states and 2191 transitions. [2021-11-13 21:07:24,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2191 transitions. [2021-11-13 21:07:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:07:24,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:24,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:24,798 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:26,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1459 states and 2191 transitions. [2021-11-13 21:07:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2191 transitions. [2021-11-13 21:07:26,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:07:26,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:26,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:26,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:26,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1461 states and 2192 transitions. [2021-11-13 21:07:26,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2192 transitions. [2021-11-13 21:07:26,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:07:26,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:26,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1462 states and 2192 transitions. [2021-11-13 21:07:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2192 transitions. [2021-11-13 21:07:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:07:27,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:27,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:07:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1463 states and 2192 transitions. [2021-11-13 21:07:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2192 transitions. [2021-11-13 21:07:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:07:27,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:27,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:07:30,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1498 states and 2229 transitions. [2021-11-13 21:07:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2229 transitions. [2021-11-13 21:07:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-13 21:07:30,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:30,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-13 21:07:30,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:30,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 1503 states and 2243 transitions. [2021-11-13 21:07:30,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2243 transitions. [2021-11-13 21:07:30,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-13 21:07:30,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:30,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-13 21:07:31,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:31,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1509 states and 2249 transitions. [2021-11-13 21:07:31,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2249 transitions. [2021-11-13 21:07:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-13 21:07:31,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:31,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:31,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:07:31,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-13 21:07:32,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:32,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1510 states and 2249 transitions. [2021-11-13 21:07:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2249 transitions. [2021-11-13 21:07:32,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-13 21:07:32,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:32,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:07:32,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1511 states and 2250 transitions. [2021-11-13 21:07:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2250 transitions. [2021-11-13 21:07:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 21:07:32,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:32,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:07:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 1512 states and 2252 transitions. [2021-11-13 21:07:33,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2252 transitions. [2021-11-13 21:07:33,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 21:07:33,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:33,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:33,148 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:07:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1513 states and 2254 transitions. [2021-11-13 21:07:33,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2254 transitions. [2021-11-13 21:07:33,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 21:07:33,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:33,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:33,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:07:33,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:35,256 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 21:07:44,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:44,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 1548 states and 2311 transitions. [2021-11-13 21:07:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 2311 transitions. [2021-11-13 21:07:44,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 21:07:44,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:44,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:44,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:07:44,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 21:07:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 1566 states and 2330 transitions. [2021-11-13 21:07:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2330 transitions. [2021-11-13 21:07:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 21:07:45,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:45,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 21:07:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 1569 states and 2338 transitions. [2021-11-13 21:07:47,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2338 transitions. [2021-11-13 21:07:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-13 21:07:47,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:47,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:47,290 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-13 21:07:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 1575 states and 2345 transitions. [2021-11-13 21:07:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2345 transitions. [2021-11-13 21:07:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-13 21:07:48,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:48,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:48,308 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-13 21:07:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 1576 states and 2345 transitions. [2021-11-13 21:07:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2345 transitions. [2021-11-13 21:07:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-13 21:07:48,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:48,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-13 21:07:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 1578 states and 2347 transitions. [2021-11-13 21:07:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2347 transitions. [2021-11-13 21:07:48,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-13 21:07:48,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:48,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:48,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:07:48,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:07:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 1587 states and 2355 transitions. [2021-11-13 21:07:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2355 transitions. [2021-11-13 21:07:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 21:07:50,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:50,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-13 21:07:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 1588 states and 2355 transitions. [2021-11-13 21:07:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2355 transitions. [2021-11-13 21:07:50,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 21:07:50,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:50,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 21:07:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:53,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 1624 states and 2394 transitions. [2021-11-13 21:07:53,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2394 transitions. [2021-11-13 21:07:53,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 21:07:53,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:53,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:07:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:54,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 1641 states and 2412 transitions. [2021-11-13 21:07:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2412 transitions. [2021-11-13 21:07:54,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 21:07:54,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:54,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:55,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:07:55,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:07:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 57 proven. 29 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:08:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 1676 states and 2467 transitions. [2021-11-13 21:08:03,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2467 transitions. [2021-11-13 21:08:03,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 21:08:03,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:03,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:03,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:08:03,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:03,974 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 57 proven. 29 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:08:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 1694 states and 2486 transitions. [2021-11-13 21:08:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2486 transitions. [2021-11-13 21:08:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 21:08:04,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:04,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 21:08:05,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:05,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 1695 states and 2488 transitions. [2021-11-13 21:08:05,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2488 transitions. [2021-11-13 21:08:05,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-13 21:08:05,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:05,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:05,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:08:05,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:08:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 1704 states and 2496 transitions. [2021-11-13 21:08:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2496 transitions. [2021-11-13 21:08:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-13 21:08:07,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:07,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:07,244 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:08:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 1705 states and 2498 transitions. [2021-11-13 21:08:07,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2498 transitions. [2021-11-13 21:08:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-13 21:08:07,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:07,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:07,307 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:08:07,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 1709 states and 2505 transitions. [2021-11-13 21:08:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2505 transitions. [2021-11-13 21:08:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-13 21:08:07,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:07,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:08:09,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:09,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 1727 states and 2524 transitions. [2021-11-13 21:08:09,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2524 transitions. [2021-11-13 21:08:09,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-13 21:08:09,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:09,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:08:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:10,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 1728 states and 2524 transitions. [2021-11-13 21:08:10,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2524 transitions. [2021-11-13 21:08:10,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 21:08:10,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:10,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:08:11,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:11,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 1729 states and 2527 transitions. [2021-11-13 21:08:11,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2527 transitions. [2021-11-13 21:08:11,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 21:08:11,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:11,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:08:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 1748 states and 2549 transitions. [2021-11-13 21:08:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2549 transitions. [2021-11-13 21:08:14,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 21:08:14,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:14,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:08:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 1751 states and 2551 transitions. [2021-11-13 21:08:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2551 transitions. [2021-11-13 21:08:15,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 21:08:15,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:15,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:15,115 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-13 21:08:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 1752 states and 2551 transitions. [2021-11-13 21:08:15,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2551 transitions. [2021-11-13 21:08:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 21:08:15,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:15,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:15,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:08:15,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-13 21:08:18,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 1760 states and 2569 transitions. [2021-11-13 21:08:18,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2569 transitions. [2021-11-13 21:08:18,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 21:08:18,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:18,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-13 21:08:18,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 1765 states and 2578 transitions. [2021-11-13 21:08:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2578 transitions. [2021-11-13 21:08:18,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 21:08:18,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:18,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:18,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:08:18,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-13 21:08:20,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:20,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 1766 states and 2580 transitions. [2021-11-13 21:08:20,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2580 transitions. [2021-11-13 21:08:20,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 21:08:20,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:20,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-13 21:08:22,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:22,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 1768 states and 2587 transitions. [2021-11-13 21:08:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2587 transitions. [2021-11-13 21:08:22,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-13 21:08:22,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:22,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:22,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:08:22,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:22,558 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-13 21:08:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:22,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 1769 states and 2588 transitions. [2021-11-13 21:08:22,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2588 transitions. [2021-11-13 21:08:22,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-13 21:08:22,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:22,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-13 21:08:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 1776 states and 2596 transitions. [2021-11-13 21:08:23,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2596 transitions. [2021-11-13 21:08:23,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-13 21:08:23,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:23,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-13 21:08:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 1794 states and 2614 transitions. [2021-11-13 21:08:24,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2614 transitions. [2021-11-13 21:08:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-13 21:08:24,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:24,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-13 21:08:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 1795 states and 2614 transitions. [2021-11-13 21:08:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2614 transitions. [2021-11-13 21:08:24,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-13 21:08:24,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:24,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-13 21:08:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:25,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 1812 states and 2630 transitions. [2021-11-13 21:08:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2630 transitions. [2021-11-13 21:08:25,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-13 21:08:25,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:25,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:25,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:08:25,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-13 21:08:25,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 1814 states and 2632 transitions. [2021-11-13 21:08:25,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2632 transitions. [2021-11-13 21:08:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-13 21:08:25,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:25,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-13 21:08:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 1819 states and 2638 transitions. [2021-11-13 21:08:26,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2638 transitions. [2021-11-13 21:08:26,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-13 21:08:26,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:26,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:08:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 1825 states and 2644 transitions. [2021-11-13 21:08:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2644 transitions. [2021-11-13 21:08:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-13 21:08:28,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:28,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 21:08:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 1826 states and 2644 transitions. [2021-11-13 21:08:29,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2644 transitions. [2021-11-13 21:08:29,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-13 21:08:29,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:29,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:29,046 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:08:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 1837 states and 2660 transitions. [2021-11-13 21:08:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2660 transitions. [2021-11-13 21:08:31,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-13 21:08:31,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:31,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:31,694 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:08:32,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 1838 states and 2662 transitions. [2021-11-13 21:08:32,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2662 transitions. [2021-11-13 21:08:32,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-13 21:08:32,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:32,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:32,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:08:32,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:32,863 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-13 21:08:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 1840 states and 2663 transitions. [2021-11-13 21:08:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2663 transitions. [2021-11-13 21:08:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-13 21:08:32,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:32,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-13 21:08:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 1860 states and 2686 transitions. [2021-11-13 21:08:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2686 transitions. [2021-11-13 21:08:36,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-13 21:08:36,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:36,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-13 21:08:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 1874 states and 2699 transitions. [2021-11-13 21:08:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2699 transitions. [2021-11-13 21:08:37,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-13 21:08:37,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:37,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:08:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:38,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 1875 states and 2702 transitions. [2021-11-13 21:08:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2702 transitions. [2021-11-13 21:08:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-13 21:08:38,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:38,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:08:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:40,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 1879 states and 2710 transitions. [2021-11-13 21:08:40,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2710 transitions. [2021-11-13 21:08:40,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-13 21:08:40,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:40,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:08:40,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 1880 states and 2710 transitions. [2021-11-13 21:08:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2710 transitions. [2021-11-13 21:08:40,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-13 21:08:40,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:40,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:40,748 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:08:40,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 1881 states and 2713 transitions. [2021-11-13 21:08:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2713 transitions. [2021-11-13 21:08:40,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 21:08:40,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:40,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:08:45,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:45,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 1904 states and 2750 transitions. [2021-11-13 21:08:45,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2750 transitions. [2021-11-13 21:08:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 21:08:45,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:45,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:08:46,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 1906 states and 2751 transitions. [2021-11-13 21:08:46,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2751 transitions. [2021-11-13 21:08:46,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 21:08:46,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:46,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:08:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:47,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 1907 states and 2752 transitions. [2021-11-13 21:08:47,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2752 transitions. [2021-11-13 21:08:47,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 21:08:47,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:47,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-13 21:08:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 1912 states and 2755 transitions. [2021-11-13 21:08:48,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2755 transitions. [2021-11-13 21:08:48,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 21:08:48,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:48,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:48,259 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-13 21:08:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 1929 states and 2771 transitions. [2021-11-13 21:08:49,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2771 transitions. [2021-11-13 21:08:49,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 21:08:49,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:49,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-13 21:08:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 1943 states and 2785 transitions. [2021-11-13 21:08:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2785 transitions. [2021-11-13 21:08:51,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 21:08:51,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:51,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-13 21:08:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 1952 states and 2793 transitions. [2021-11-13 21:08:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2793 transitions. [2021-11-13 21:08:52,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 21:08:52,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:52,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:08:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 1974 states and 2821 transitions. [2021-11-13 21:08:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2821 transitions. [2021-11-13 21:08:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 21:08:57,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:57,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:57,748 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:00,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 1981 states and 2829 transitions. [2021-11-13 21:09:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2829 transitions. [2021-11-13 21:09:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 21:09:00,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:00,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:02,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 1983 states and 2829 transitions. [2021-11-13 21:09:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2829 transitions. [2021-11-13 21:09:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 21:09:02,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:02,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 1984 states and 2829 transitions. [2021-11-13 21:09:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2829 transitions. [2021-11-13 21:09:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 21:09:03,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:03,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 1985 states and 2829 transitions. [2021-11-13 21:09:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2829 transitions. [2021-11-13 21:09:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 21:09:04,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:04,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 1986 states and 2829 transitions. [2021-11-13 21:09:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2829 transitions. [2021-11-13 21:09:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 21:09:05,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:05,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-13 21:09:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2006 states and 2849 transitions. [2021-11-13 21:09:07,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2849 transitions. [2021-11-13 21:09:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-13 21:09:07,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:07,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-13 21:09:09,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:09,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2026 states and 2869 transitions. [2021-11-13 21:09:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2869 transitions. [2021-11-13 21:09:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-13 21:09:09,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:09,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-13 21:09:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:11,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2034 states and 2877 transitions. [2021-11-13 21:09:11,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2877 transitions. [2021-11-13 21:09:11,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-13 21:09:11,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:11,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-13 21:09:11,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:11,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2035 states and 2877 transitions. [2021-11-13 21:09:11,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2877 transitions. [2021-11-13 21:09:11,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-13 21:09:11,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:11,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-13 21:09:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:15,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2070 states and 2914 transitions. [2021-11-13 21:09:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2914 transitions. [2021-11-13 21:09:15,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-13 21:09:15,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:15,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:15,381 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:09:16,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2071 states and 2917 transitions. [2021-11-13 21:09:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2917 transitions. [2021-11-13 21:09:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-13 21:09:16,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:16,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-13 21:09:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2072 states and 2919 transitions. [2021-11-13 21:09:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2919 transitions. [2021-11-13 21:09:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:16,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:16,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2099 states and 2983 transitions. [2021-11-13 21:09:30,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2983 transitions. [2021-11-13 21:09:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:30,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:30,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:30,794 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:35,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 2105 states and 3004 transitions. [2021-11-13 21:09:35,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 3004 transitions. [2021-11-13 21:09:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:35,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:35,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:35,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:35,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 2107 states and 3007 transitions. [2021-11-13 21:09:35,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 3007 transitions. [2021-11-13 21:09:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:35,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:35,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 2118 states and 3030 transitions. [2021-11-13 21:09:44,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 3030 transitions. [2021-11-13 21:09:44,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:44,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:44,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:51,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 2128 states and 3052 transitions. [2021-11-13 21:09:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3052 transitions. [2021-11-13 21:09:51,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:51,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:51,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 2129 states and 3053 transitions. [2021-11-13 21:09:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 3053 transitions. [2021-11-13 21:09:52,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:52,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:52,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:53,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 2130 states and 3056 transitions. [2021-11-13 21:09:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 3056 transitions. [2021-11-13 21:09:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:53,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:53,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 2131 states and 3059 transitions. [2021-11-13 21:09:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 3059 transitions. [2021-11-13 21:09:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:54,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:54,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:54,983 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:56,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 2132 states and 3060 transitions. [2021-11-13 21:09:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 3060 transitions. [2021-11-13 21:09:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:56,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:56,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:09:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 2133 states and 3061 transitions. [2021-11-13 21:09:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 3061 transitions. [2021-11-13 21:09:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:57,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:57,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-13 21:09:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 2135 states and 3065 transitions. [2021-11-13 21:09:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 3065 transitions. [2021-11-13 21:09:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 21:09:59,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:59,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:59,971 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-13 21:10:03,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:03,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 2143 states and 3080 transitions. [2021-11-13 21:10:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 3080 transitions. [2021-11-13 21:10:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-13 21:10:03,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:03,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-13 21:10:03,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 2145 states and 3080 transitions. [2021-11-13 21:10:03,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 3080 transitions. [2021-11-13 21:10:03,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-13 21:10:03,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:03,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:03,750 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:10:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 2146 states and 3081 transitions. [2021-11-13 21:10:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 3081 transitions. [2021-11-13 21:10:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-13 21:10:03,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:03,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-13 21:10:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 2156 states and 3092 transitions. [2021-11-13 21:10:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 3092 transitions. [2021-11-13 21:10:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-13 21:10:08,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:08,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:08,693 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-13 21:10:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 2158 states and 3094 transitions. [2021-11-13 21:10:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 3094 transitions. [2021-11-13 21:10:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-13 21:10:10,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:10,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:10,863 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-13 21:10:10,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:10,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 2159 states and 3097 transitions. [2021-11-13 21:10:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 3097 transitions. [2021-11-13 21:10:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-13 21:10:10,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:10,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:10,932 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 21:10:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 2160 states and 3098 transitions. [2021-11-13 21:10:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 3098 transitions. [2021-11-13 21:10:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-13 21:10:10,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:10,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-13 21:10:15,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:15,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 2196 states and 3137 transitions. [2021-11-13 21:10:15,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 3137 transitions. [2021-11-13 21:10:15,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:10:15,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:15,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:10:31,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 2223 states and 3190 transitions. [2021-11-13 21:10:31,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 3190 transitions. [2021-11-13 21:10:31,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:10:31,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:31,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:10:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:36,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 2227 states and 3196 transitions. [2021-11-13 21:10:36,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 3196 transitions. [2021-11-13 21:10:36,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:10:36,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:36,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:10:42,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 2238 states and 3217 transitions. [2021-11-13 21:10:42,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 3217 transitions. [2021-11-13 21:10:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:10:42,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:42,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:10:43,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 2239 states and 3218 transitions. [2021-11-13 21:10:44,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 3218 transitions. [2021-11-13 21:10:44,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:10:44,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:44,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:44,179 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:10:45,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:45,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 2240 states and 3219 transitions. [2021-11-13 21:10:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 3219 transitions. [2021-11-13 21:10:45,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:10:45,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:45,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:10:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:53,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 2250 states and 3241 transitions. [2021-11-13 21:10:53,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 3241 transitions. [2021-11-13 21:10:53,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:10:53,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:53,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:53,084 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:10:54,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 2251 states and 3244 transitions. [2021-11-13 21:10:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3244 transitions. [2021-11-13 21:10:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:10:54,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:54,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:54,746 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:10:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 2252 states and 3245 transitions. [2021-11-13 21:10:55,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 3245 transitions. [2021-11-13 21:10:55,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:10:55,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:55,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 21:10:55,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3246 states to 2253 states and 3246 transitions. [2021-11-13 21:10:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3246 transitions. [2021-11-13 21:10:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:10:55,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:55,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:56,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:10:56,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:10:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:11:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 2284 states and 3285 transitions. [2021-11-13 21:11:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 3285 transitions. [2021-11-13 21:11:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:11:03,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:03,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:03,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:11:03,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:11:07,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 2299 states and 3313 transitions. [2021-11-13 21:11:07,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 3313 transitions. [2021-11-13 21:11:07,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:11:07,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:07,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:07,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:11:07,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:11:10,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 2308 states and 3321 transitions. [2021-11-13 21:11:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 3321 transitions. [2021-11-13 21:11:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:11:10,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:10,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:10,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:11:10,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:11:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 2309 states and 3321 transitions. [2021-11-13 21:11:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3321 transitions. [2021-11-13 21:11:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:11:11,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:11,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 21:11:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:12,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 2310 states and 3324 transitions. [2021-11-13 21:11:12,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 3324 transitions. [2021-11-13 21:11:12,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 21:11:12,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:12,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-13 21:11:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 2311 states and 3326 transitions. [2021-11-13 21:11:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 3326 transitions. [2021-11-13 21:11:12,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-13 21:11:12,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:12,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:12,945 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:11:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 2312 states and 3327 transitions. [2021-11-13 21:11:12,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 3327 transitions. [2021-11-13 21:11:12,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-13 21:11:12,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:12,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:11:23,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 2329 states and 3352 transitions. [2021-11-13 21:11:23,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 3352 transitions. [2021-11-13 21:11:23,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-13 21:11:23,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:23,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:11:25,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:25,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 2332 states and 3353 transitions. [2021-11-13 21:11:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 3353 transitions. [2021-11-13 21:11:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-13 21:11:25,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:25,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:11:26,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:26,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 2333 states and 3353 transitions. [2021-11-13 21:11:26,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 3353 transitions. [2021-11-13 21:11:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-13 21:11:26,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:26,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:26,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 21:11:26,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:11:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:11:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 2334 states and 3359 transitions. [2021-11-13 21:11:27,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3359 transitions. [2021-11-13 21:11:27,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-13 21:11:27,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:27,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 21:11:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 2336 states and 3363 transitions. [2021-11-13 21:11:30,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3363 transitions. [2021-11-13 21:11:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-13 21:11:30,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:31,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:31,066 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:11:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:33,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 2338 states and 3370 transitions. [2021-11-13 21:11:33,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 3370 transitions. [2021-11-13 21:11:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-13 21:11:33,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:33,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:11:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:41,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 2349 states and 3387 transitions. [2021-11-13 21:11:41,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3387 transitions. [2021-11-13 21:11:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-13 21:11:41,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:41,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:41,774 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:11:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:43,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 2350 states and 3387 transitions. [2021-11-13 21:11:43,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 3387 transitions. [2021-11-13 21:11:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-13 21:11:43,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:43,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:11:44,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:44,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 2351 states and 3387 transitions. [2021-11-13 21:11:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 3387 transitions. [2021-11-13 21:11:44,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-13 21:11:44,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:44,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-13 21:11:44,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 2352 states and 3388 transitions. [2021-11-13 21:11:44,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 3388 transitions. [2021-11-13 21:11:44,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-13 21:11:44,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:44,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-11-13 21:11:45,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:45,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 2359 states and 3394 transitions. [2021-11-13 21:11:45,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 3394 transitions. [2021-11-13 21:11:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-13 21:11:45,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:45,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-13 21:11:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 2360 states and 3395 transitions. [2021-11-13 21:11:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 3395 transitions. [2021-11-13 21:11:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:11:46,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:46,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 98 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:12:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3571 states to 2464 states and 3571 transitions. [2021-11-13 21:12:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3571 transitions. [2021-11-13 21:12:22,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:12:22,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:22,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:22,965 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 98 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:12:34,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:34,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 2476 states and 3598 transitions. [2021-11-13 21:12:34,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 3598 transitions. [2021-11-13 21:12:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:12:34,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:34,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 98 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:12:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:47,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 2488 states and 3621 transitions. [2021-11-13 21:12:47,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 3621 transitions. [2021-11-13 21:12:47,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:12:47,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:47,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 98 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:12:58,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:58,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 2516 states and 3663 transitions. [2021-11-13 21:12:58,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3663 transitions. [2021-11-13 21:12:58,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:12:58,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:58,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:59,006 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 98 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 2534 states and 3682 transitions. [2021-11-13 21:13:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3682 transitions. [2021-11-13 21:13:02,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:13:02,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:02,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 98 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:04,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:04,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 2535 states and 3686 transitions. [2021-11-13 21:13:04,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 3686 transitions. [2021-11-13 21:13:04,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:13:04,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:04,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 98 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:06,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 2536 states and 3687 transitions. [2021-11-13 21:13:06,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 3687 transitions. [2021-11-13 21:13:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:13:06,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:06,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 98 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:09,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3693 states to 2538 states and 3693 transitions. [2021-11-13 21:13:09,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3693 transitions. [2021-11-13 21:13:09,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:13:09,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:09,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 98 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:10,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 2539 states and 3694 transitions. [2021-11-13 21:13:10,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 3694 transitions. [2021-11-13 21:13:10,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:13:10,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:10,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 98 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:12,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 2540 states and 3697 transitions. [2021-11-13 21:13:12,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 3697 transitions. [2021-11-13 21:13:12,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-13 21:13:12,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:12,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-13 21:13:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 2542 states and 3697 transitions. [2021-11-13 21:13:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3697 transitions. [2021-11-13 21:13:12,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-13 21:13:12,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:12,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-13 21:13:21,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 2553 states and 3710 transitions. [2021-11-13 21:13:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3710 transitions. [2021-11-13 21:13:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-13 21:13:21,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:21,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 98 proven. 62 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:22,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 2556 states and 3712 transitions. [2021-11-13 21:13:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3712 transitions. [2021-11-13 21:13:22,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-13 21:13:22,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:22,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-13 21:13:24,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 2557 states and 3712 transitions. [2021-11-13 21:13:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3712 transitions. [2021-11-13 21:13:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-13 21:13:24,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:24,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:13:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 2571 states and 3729 transitions. [2021-11-13 21:13:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3729 transitions. [2021-11-13 21:13:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-13 21:13:30,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:30,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:13:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 2579 states and 3736 transitions. [2021-11-13 21:13:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 3736 transitions. [2021-11-13 21:13:31,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-13 21:13:31,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:31,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:13:35,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:35,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 2595 states and 3751 transitions. [2021-11-13 21:13:35,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 3751 transitions. [2021-11-13 21:13:35,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-13 21:13:35,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:35,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:35,213 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:13:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 2611 states and 3766 transitions. [2021-11-13 21:13:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3766 transitions. [2021-11-13 21:13:38,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 21:13:38,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:38,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3786 states to 2628 states and 3786 transitions. [2021-11-13 21:13:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 3786 transitions. [2021-11-13 21:13:44,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 21:13:44,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:44,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:44,763 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:47,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 2646 states and 3804 transitions. [2021-11-13 21:13:47,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3804 transitions. [2021-11-13 21:13:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 21:13:47,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:47,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:50,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 2650 states and 3806 transitions. [2021-11-13 21:13:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3806 transitions. [2021-11-13 21:13:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 21:13:50,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:50,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:51,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 2651 states and 3806 transitions. [2021-11-13 21:13:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3806 transitions. [2021-11-13 21:13:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 21:13:51,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:51,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:51,757 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 2652 states and 3806 transitions. [2021-11-13 21:13:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3806 transitions. [2021-11-13 21:13:53,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 21:13:53,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:53,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:53,174 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:54,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:54,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 2653 states and 3806 transitions. [2021-11-13 21:13:54,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3806 transitions. [2021-11-13 21:13:54,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 21:13:54,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:54,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:13:56,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 2654 states and 3806 transitions. [2021-11-13 21:13:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 3806 transitions. [2021-11-13 21:13:56,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 21:13:56,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:56,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-11-13 21:14:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 2665 states and 3816 transitions. [2021-11-13 21:14:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3816 transitions. [2021-11-13 21:14:06,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 21:14:06,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:06,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:06,571 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-11-13 21:14:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 2666 states and 3816 transitions. [2021-11-13 21:14:08,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3816 transitions. [2021-11-13 21:14:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:08,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:08,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-13 21:14:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3841 states to 2683 states and 3841 transitions. [2021-11-13 21:14:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3841 transitions. [2021-11-13 21:14:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:20,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:20,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-13 21:14:23,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:23,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 2686 states and 3842 transitions. [2021-11-13 21:14:23,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3842 transitions. [2021-11-13 21:14:23,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:23,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:23,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-13 21:14:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 2687 states and 3842 transitions. [2021-11-13 21:14:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 3842 transitions. [2021-11-13 21:14:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:25,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:25,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-13 21:14:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:32,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 2716 states and 3884 transitions. [2021-11-13 21:14:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3884 transitions. [2021-11-13 21:14:32,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:32,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:32,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-13 21:14:35,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 2718 states and 3884 transitions. [2021-11-13 21:14:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3884 transitions. [2021-11-13 21:14:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:35,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:35,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:35,731 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-13 21:14:39,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3903 states to 2736 states and 3903 transitions. [2021-11-13 21:14:39,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3903 transitions. [2021-11-13 21:14:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:39,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:39,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-13 21:14:43,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:43,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 2754 states and 3924 transitions. [2021-11-13 21:14:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3924 transitions. [2021-11-13 21:14:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:43,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:43,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:44,265 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-13 21:14:46,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:46,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 2757 states and 3926 transitions. [2021-11-13 21:14:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3926 transitions. [2021-11-13 21:14:46,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:46,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:46,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-13 21:14:47,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 2758 states and 3926 transitions. [2021-11-13 21:14:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3926 transitions. [2021-11-13 21:14:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:47,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:47,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-13 21:14:49,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:49,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 2759 states and 3926 transitions. [2021-11-13 21:14:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3926 transitions. [2021-11-13 21:14:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:49,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:49,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:50,172 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-13 21:14:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 2760 states and 3926 transitions. [2021-11-13 21:14:51,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3926 transitions. [2021-11-13 21:14:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:51,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:51,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-13 21:14:53,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:53,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3943 states to 2778 states and 3943 transitions. [2021-11-13 21:14:53,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3943 transitions. [2021-11-13 21:14:53,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:53,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:53,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:53,594 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:14:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 2788 states and 3953 transitions. [2021-11-13 21:14:59,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3953 transitions. [2021-11-13 21:14:59,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:14:59,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:59,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 21:15:01,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 2789 states and 3953 transitions. [2021-11-13 21:15:01,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 3953 transitions. [2021-11-13 21:15:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:15:01,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:01,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:01,200 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-13 21:15:06,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:06,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3964 states to 2798 states and 3964 transitions. [2021-11-13 21:15:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3964 transitions. [2021-11-13 21:15:06,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:15:06,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:06,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-13 21:15:11,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:11,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3975 states to 2807 states and 3975 transitions. [2021-11-13 21:15:11,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3975 transitions. [2021-11-13 21:15:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:15:11,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:11,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-13 21:15:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3986 states to 2816 states and 3986 transitions. [2021-11-13 21:15:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3986 transitions. [2021-11-13 21:15:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-13 21:15:16,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:16,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-13 21:15:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:27,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4002 states to 2827 states and 4002 transitions. [2021-11-13 21:15:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 4002 transitions. [2021-11-13 21:15:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-13 21:15:27,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:27,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-13 21:15:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:28,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 2828 states and 4003 transitions. [2021-11-13 21:15:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 4003 transitions. [2021-11-13 21:15:28,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-13 21:15:28,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:28,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-13 21:15:30,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:30,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 2829 states and 4003 transitions. [2021-11-13 21:15:30,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 4003 transitions. [2021-11-13 21:15:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-13 21:15:30,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:30,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:30,593 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 116 proven. 7 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:15:43,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:43,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4046 states to 2858 states and 4046 transitions. [2021-11-13 21:15:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 4046 transitions. [2021-11-13 21:15:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-13 21:15:43,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:43,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 116 proven. 7 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 21:15:45,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 2869 states and 4060 transitions. [2021-11-13 21:15:45,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2869 states and 4060 transitions. [2021-11-13 21:15:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-13 21:15:45,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:45,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-13 21:15:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4073 states to 2873 states and 4073 transitions. [2021-11-13 21:15:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 4073 transitions. [2021-11-13 21:15:48,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-13 21:15:48,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:48,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked.