./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label40+token_ring.10.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label40+token_ring.10.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2d817c779a7c88ce14310f494c47ad6ae04ac82c2c2c295ca0b97645ed08cbd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:19:02,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:19:02,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:19:02,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:19:02,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:19:02,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:19:02,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:19:02,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:19:02,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:19:02,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:19:02,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:19:02,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:19:02,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:19:02,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:19:02,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:19:02,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:19:02,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:19:02,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:19:02,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:19:02,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:19:02,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:19:02,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:19:02,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:19:02,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:19:02,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:19:02,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:19:02,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:19:02,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:19:02,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:19:02,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:19:02,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:19:02,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:19:02,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:19:02,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:19:02,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:19:02,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:19:02,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:19:02,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:19:02,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:19:02,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:19:03,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:19:03,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:19:03,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:19:03,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:19:03,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:19:03,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:19:03,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:19:03,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:19:03,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:19:03,032 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:19:03,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:19:03,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:19:03,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:19:03,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:19:03,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:19:03,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:19:03,036 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:19:03,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:19:03,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:19:03,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:19:03,037 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:19:03,038 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:19:03,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:19:03,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:19:03,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:19:03,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:19:03,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:19:03,039 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:19:03,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:19:03,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:19:03,041 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_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2d817c779a7c88ce14310f494c47ad6ae04ac82c2c2c295ca0b97645ed08cbd [2021-11-22 23:19:03,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:19:03,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:19:03,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:19:03,392 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:19:03,393 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:19:03,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/combinations/Problem05_label40+token_ring.10.cil-2.c [2021-11-22 23:19:03,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/data/59c80d876/b586b9d894c5446595e2c841fd6cd4be/FLAGfeed1c5a3 [2021-11-22 23:19:04,654 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:19:04,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/sv-benchmarks/c/combinations/Problem05_label40+token_ring.10.cil-2.c [2021-11-22 23:19:04,721 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/data/59c80d876/b586b9d894c5446595e2c841fd6cd4be/FLAGfeed1c5a3 [2021-11-22 23:19:04,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/data/59c80d876/b586b9d894c5446595e2c841fd6cd4be [2021-11-22 23:19:04,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:19:04,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:19:04,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:19:04,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:19:04,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:19:04,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:19:04" (1/1) ... [2021-11-22 23:19:04,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfd7da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:04, skipping insertion in model container [2021-11-22 23:19:04,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:19:04" (1/1) ... [2021-11-22 23:19:04,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:19:05,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:19:07,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/sv-benchmarks/c/combinations/Problem05_label40+token_ring.10.cil-2.c[377069,377082] [2021-11-22 23:19:08,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/sv-benchmarks/c/combinations/Problem05_label40+token_ring.10.cil-2.c[383339,383352] [2021-11-22 23:19:08,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:19:08,382 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:19:09,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/sv-benchmarks/c/combinations/Problem05_label40+token_ring.10.cil-2.c[377069,377082] [2021-11-22 23:19:09,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/sv-benchmarks/c/combinations/Problem05_label40+token_ring.10.cil-2.c[383339,383352] [2021-11-22 23:19:09,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:19:09,946 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:19:09,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:09 WrapperNode [2021-11-22 23:19:09,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:19:09,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:19:09,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:19:09,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:19:09,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:09" (1/1) ... [2021-11-22 23:19:10,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:09" (1/1) ... [2021-11-22 23:19:10,599 INFO L137 Inliner]: procedures = 64, calls = 71, calls flagged for inlining = 42, calls inlined = 42, statements flattened = 13083 [2021-11-22 23:19:10,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:19:10,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:19:10,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:19:10,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:19:10,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:09" (1/1) ... [2021-11-22 23:19:10,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:09" (1/1) ... [2021-11-22 23:19:10,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:09" (1/1) ... [2021-11-22 23:19:10,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:09" (1/1) ... [2021-11-22 23:19:10,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:09" (1/1) ... [2021-11-22 23:19:10,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:09" (1/1) ... [2021-11-22 23:19:11,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:09" (1/1) ... [2021-11-22 23:19:11,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:19:11,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:19:11,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:19:11,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:19:11,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:09" (1/1) ... [2021-11-22 23:19:11,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:19:11,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:19:11,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:19:11,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc0541b-7043-4363-9b59-f39d40910dad/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:19:11,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:19:11,222 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-22 23:19:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-22 23:19:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-22 23:19:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-22 23:19:11,223 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-22 23:19:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-22 23:19:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-22 23:19:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-22 23:19:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-22 23:19:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-22 23:19:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-22 23:19:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-22 23:19:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:19:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:19:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:19:11,458 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:19:11,461 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:19:19,258 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:19:22,017 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:19:22,017 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-22 23:19:22,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:19:22 BoogieIcfgContainer [2021-11-22 23:19:22,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:19:22,025 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:19:22,025 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:19:22,035 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:19:22,036 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:19:22" (1/1) ... [2021-11-22 23:19:22,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:19:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 1809 states and 3529 transitions. [2021-11-22 23:19:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 3529 transitions. [2021-11-22 23:19:22,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:22,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:22,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:22,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1841 states and 3591 transitions. [2021-11-22 23:19:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3591 transitions. [2021-11-22 23:19:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:22,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:22,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1842 states and 3591 transitions. [2021-11-22 23:19:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 3591 transitions. [2021-11-22 23:19:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:23,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1843 states and 3591 transitions. [2021-11-22 23:19:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3591 transitions. [2021-11-22 23:19:23,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:23,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1844 states and 3591 transitions. [2021-11-22 23:19:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 3591 transitions. [2021-11-22 23:19:23,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:23,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1845 states and 3591 transitions. [2021-11-22 23:19:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 3591 transitions. [2021-11-22 23:19:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:23,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1846 states and 3591 transitions. [2021-11-22 23:19:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 3591 transitions. [2021-11-22 23:19:23,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:23,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1847 states and 3591 transitions. [2021-11-22 23:19:23,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 3591 transitions. [2021-11-22 23:19:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:23,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1848 states and 3591 transitions. [2021-11-22 23:19:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 3591 transitions. [2021-11-22 23:19:23,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:23,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1849 states and 3591 transitions. [2021-11-22 23:19:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3591 transitions. [2021-11-22 23:19:23,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:23,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1850 states and 3591 transitions. [2021-11-22 23:19:23,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 3591 transitions. [2021-11-22 23:19:23,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:23,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:23,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1851 states and 3591 transitions. [2021-11-22 23:19:23,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 3591 transitions. [2021-11-22 23:19:23,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:23,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1878 states and 3644 transitions. [2021-11-22 23:19:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 3644 transitions. [2021-11-22 23:19:24,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:24,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1879 states and 3644 transitions. [2021-11-22 23:19:24,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3644 transitions. [2021-11-22 23:19:24,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:24,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1880 states and 3644 transitions. [2021-11-22 23:19:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 3644 transitions. [2021-11-22 23:19:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:24,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1881 states and 3644 transitions. [2021-11-22 23:19:24,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 3644 transitions. [2021-11-22 23:19:24,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:24,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1882 states and 3644 transitions. [2021-11-22 23:19:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 3644 transitions. [2021-11-22 23:19:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:24,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1883 states and 3644 transitions. [2021-11-22 23:19:24,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 3644 transitions. [2021-11-22 23:19:24,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:24,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1884 states and 3644 transitions. [2021-11-22 23:19:24,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 3644 transitions. [2021-11-22 23:19:24,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:24,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1885 states and 3644 transitions. [2021-11-22 23:19:24,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 3644 transitions. [2021-11-22 23:19:24,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:24,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1886 states and 3644 transitions. [2021-11-22 23:19:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 3644 transitions. [2021-11-22 23:19:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:24,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 1909 states and 3691 transitions. [2021-11-22 23:19:25,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 3691 transitions. [2021-11-22 23:19:25,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:25,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 1910 states and 3691 transitions. [2021-11-22 23:19:25,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 3691 transitions. [2021-11-22 23:19:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:25,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 1911 states and 3691 transitions. [2021-11-22 23:19:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 3691 transitions. [2021-11-22 23:19:25,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:25,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 1912 states and 3691 transitions. [2021-11-22 23:19:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 3691 transitions. [2021-11-22 23:19:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:25,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 1913 states and 3691 transitions. [2021-11-22 23:19:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 3691 transitions. [2021-11-22 23:19:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:25,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 1914 states and 3691 transitions. [2021-11-22 23:19:25,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 3691 transitions. [2021-11-22 23:19:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:25,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 1915 states and 3691 transitions. [2021-11-22 23:19:25,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 3691 transitions. [2021-11-22 23:19:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:25,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 1916 states and 3691 transitions. [2021-11-22 23:19:25,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 3691 transitions. [2021-11-22 23:19:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:25,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1933 states and 3726 transitions. [2021-11-22 23:19:26,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 3726 transitions. [2021-11-22 23:19:26,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:26,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1934 states and 3726 transitions. [2021-11-22 23:19:26,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 3726 transitions. [2021-11-22 23:19:26,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:26,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1935 states and 3726 transitions. [2021-11-22 23:19:26,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 3726 transitions. [2021-11-22 23:19:26,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:26,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1936 states and 3726 transitions. [2021-11-22 23:19:26,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 3726 transitions. [2021-11-22 23:19:26,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:26,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1937 states and 3726 transitions. [2021-11-22 23:19:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 3726 transitions. [2021-11-22 23:19:26,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:26,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 1938 states and 3726 transitions. [2021-11-22 23:19:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 3726 transitions. [2021-11-22 23:19:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:26,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 1949 states and 3749 transitions. [2021-11-22 23:19:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 3749 transitions. [2021-11-22 23:19:26,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:26,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 1950 states and 3749 transitions. [2021-11-22 23:19:27,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 3749 transitions. [2021-11-22 23:19:27,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:27,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 1951 states and 3749 transitions. [2021-11-22 23:19:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 3749 transitions. [2021-11-22 23:19:27,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:27,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 1952 states and 3749 transitions. [2021-11-22 23:19:27,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 3749 transitions. [2021-11-22 23:19:27,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:27,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 1957 states and 3760 transitions. [2021-11-22 23:19:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 3760 transitions. [2021-11-22 23:19:27,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:27,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 1958 states and 3760 transitions. [2021-11-22 23:19:27,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 3760 transitions. [2021-11-22 23:19:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:27,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:28,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 1966 states and 3775 transitions. [2021-11-22 23:19:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 3775 transitions. [2021-11-22 23:19:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:28,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:28,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:28,264 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:30,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:30,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 2003 states and 3850 transitions. [2021-11-22 23:19:30,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 3850 transitions. [2021-11-22 23:19:30,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:30,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:30,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:31,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3923 states to 2005 states and 3855 transitions. [2021-11-22 23:19:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 3855 transitions. [2021-11-22 23:19:31,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:31,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:31,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:33,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3950 states to 2013 states and 3872 transitions. [2021-11-22 23:19:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 3872 transitions. [2021-11-22 23:19:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:33,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:33,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:36,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3989 states to 2027 states and 3901 transitions. [2021-11-22 23:19:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 3901 transitions. [2021-11-22 23:19:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:36,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:36,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4040 states to 2047 states and 3942 transitions. [2021-11-22 23:19:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 3942 transitions. [2021-11-22 23:19:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:19:40,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:40,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:45,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 2076 states and 4001 transitions. [2021-11-22 23:19:45,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 4001 transitions. [2021-11-22 23:19:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:45,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:45,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:45,699 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:45,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 2077 states and 4002 transitions. [2021-11-22 23:19:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 4002 transitions. [2021-11-22 23:19:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:45,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:45,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4111 states to 2078 states and 4003 transitions. [2021-11-22 23:19:46,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 4003 transitions. [2021-11-22 23:19:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:46,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:46,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:46,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4112 states to 2079 states and 4004 transitions. [2021-11-22 23:19:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 4004 transitions. [2021-11-22 23:19:46,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:46,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:46,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:46,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:46,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 2080 states and 4005 transitions. [2021-11-22 23:19:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 4005 transitions. [2021-11-22 23:19:46,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:46,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:46,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:46,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4114 states to 2081 states and 4006 transitions. [2021-11-22 23:19:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 4006 transitions. [2021-11-22 23:19:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:46,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:46,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:53,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 2120 states and 4088 transitions. [2021-11-22 23:19:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 4088 transitions. [2021-11-22 23:19:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:53,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:53,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:19:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:53,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 2122 states and 4093 transitions. [2021-11-22 23:19:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 4093 transitions. [2021-11-22 23:19:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:53,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:53,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:54,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 2123 states and 4094 transitions. [2021-11-22 23:19:54,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 4094 transitions. [2021-11-22 23:19:54,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:54,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:54,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 2124 states and 4095 transitions. [2021-11-22 23:19:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 4095 transitions. [2021-11-22 23:19:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:54,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:54,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:54,489 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:19:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:55,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 2132 states and 4112 transitions. [2021-11-22 23:19:55,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4112 transitions. [2021-11-22 23:19:55,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:55,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:55,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:56,054 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:19:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:58,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4292 states to 2146 states and 4141 transitions. [2021-11-22 23:19:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 4141 transitions. [2021-11-22 23:19:58,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:58,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:58,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:58,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 2147 states and 4142 transitions. [2021-11-22 23:19:58,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 4142 transitions. [2021-11-22 23:19:58,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:58,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:58,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:01,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 2167 states and 4183 transitions. [2021-11-22 23:20:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 4183 transitions. [2021-11-22 23:20:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:01,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:01,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:01,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 2168 states and 4184 transitions. [2021-11-22 23:20:01,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 4184 transitions. [2021-11-22 23:20:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:01,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:01,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:02,021 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:07,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:07,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4399 states to 2197 states and 4244 transitions. [2021-11-22 23:20:07,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 4244 transitions. [2021-11-22 23:20:07,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:20:07,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:07,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:20:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:07,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4343 states to 2167 states and 4191 transitions. [2021-11-22 23:20:07,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 4191 transitions. [2021-11-22 23:20:07,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:07,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:07,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:07,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 2168 states and 4192 transitions. [2021-11-22 23:20:07,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 4192 transitions. [2021-11-22 23:20:07,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:07,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:07,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:07,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 2169 states and 4193 transitions. [2021-11-22 23:20:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 4193 transitions. [2021-11-22 23:20:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:07,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:07,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 2170 states and 4194 transitions. [2021-11-22 23:20:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 4194 transitions. [2021-11-22 23:20:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:08,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:08,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:08,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:08,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 2171 states and 4195 transitions. [2021-11-22 23:20:08,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 4195 transitions. [2021-11-22 23:20:08,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:08,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:08,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:08,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:08,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4348 states to 2172 states and 4196 transitions. [2021-11-22 23:20:08,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 4196 transitions. [2021-11-22 23:20:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:08,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:08,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:18,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:18,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4485 states to 2213 states and 4285 transitions. [2021-11-22 23:20:18,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 4285 transitions. [2021-11-22 23:20:18,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:18,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:18,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:19,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4492 states to 2215 states and 4290 transitions. [2021-11-22 23:20:19,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 4290 transitions. [2021-11-22 23:20:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:19,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:19,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:19,579 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:19,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4493 states to 2216 states and 4291 transitions. [2021-11-22 23:20:19,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 4291 transitions. [2021-11-22 23:20:19,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:19,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:19,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:20,011 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:20,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 2217 states and 4292 transitions. [2021-11-22 23:20:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 4292 transitions. [2021-11-22 23:20:20,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:20,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:20,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:22,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4513 states to 2225 states and 4309 transitions. [2021-11-22 23:20:22,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 4309 transitions. [2021-11-22 23:20:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:22,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:22,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:22,103 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:24,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4544 states to 2239 states and 4338 transitions. [2021-11-22 23:20:24,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 4338 transitions. [2021-11-22 23:20:24,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:24,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:24,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:25,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4545 states to 2240 states and 4339 transitions. [2021-11-22 23:20:25,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 4339 transitions. [2021-11-22 23:20:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:25,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:25,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:29,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4588 states to 2260 states and 4380 transitions. [2021-11-22 23:20:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 4380 transitions. [2021-11-22 23:20:29,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:29,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:29,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:30,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4589 states to 2261 states and 4381 transitions. [2021-11-22 23:20:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 4381 transitions. [2021-11-22 23:20:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:30,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:30,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4650 states to 2289 states and 4440 transitions. [2021-11-22 23:20:37,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 4440 transitions. [2021-11-22 23:20:37,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:20:37,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4591 states to 2259 states and 4385 transitions. [2021-11-22 23:20:37,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 4385 transitions. [2021-11-22 23:20:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:20:37,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:37,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4592 states to 2260 states and 4386 transitions. [2021-11-22 23:20:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 4386 transitions. [2021-11-22 23:20:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:20:37,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4593 states to 2261 states and 4387 transitions. [2021-11-22 23:20:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 4387 transitions. [2021-11-22 23:20:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:20:38,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4594 states to 2262 states and 4388 transitions. [2021-11-22 23:20:38,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 4388 transitions. [2021-11-22 23:20:38,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:20:38,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4595 states to 2263 states and 4389 transitions. [2021-11-22 23:20:38,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 4389 transitions. [2021-11-22 23:20:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:20:38,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:39,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:39,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4596 states to 2264 states and 4390 transitions. [2021-11-22 23:20:39,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 4390 transitions. [2021-11-22 23:20:39,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:20:39,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:39,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:40,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:54,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:54,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4750 states to 2307 states and 4485 transitions. [2021-11-22 23:20:54,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 4485 transitions. [2021-11-22 23:20:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:20:54,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:54,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 2309 states and 4490 transitions. [2021-11-22 23:20:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 4490 transitions. [2021-11-22 23:20:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:20:55,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:55,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 2310 states and 4491 transitions. [2021-11-22 23:20:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 4491 transitions. [2021-11-22 23:20:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:20:55,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:55,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 2311 states and 4492 transitions. [2021-11-22 23:20:56,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 4492 transitions. [2021-11-22 23:20:56,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:20:56,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:20:58,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 2319 states and 4509 transitions. [2021-11-22 23:20:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 4509 transitions. [2021-11-22 23:20:58,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:20:58,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4809 states to 2333 states and 4538 transitions. [2021-11-22 23:21:02,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 4538 transitions. [2021-11-22 23:21:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:21:02,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:02,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 2334 states and 4539 transitions. [2021-11-22 23:21:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 4539 transitions. [2021-11-22 23:21:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:21:02,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:02,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:02,748 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 2354 states and 4580 transitions. [2021-11-22 23:21:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 4580 transitions. [2021-11-22 23:21:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:21:08,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:08,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4854 states to 2355 states and 4581 transitions. [2021-11-22 23:21:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 4581 transitions. [2021-11-22 23:21:08,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:21:08,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:08,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:16,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 2380 states and 4634 transitions. [2021-11-22 23:21:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 4634 transitions. [2021-11-22 23:21:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:21:16,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:16,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:18,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:18,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4915 states to 2383 states and 4640 transitions. [2021-11-22 23:21:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 4640 transitions. [2021-11-22 23:21:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:21:18,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:18,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:18,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:18,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4856 states to 2354 states and 4586 transitions. [2021-11-22 23:21:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 4586 transitions. [2021-11-22 23:21:18,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:18,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:18,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:19,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4857 states to 2355 states and 4587 transitions. [2021-11-22 23:21:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 4587 transitions. [2021-11-22 23:21:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:19,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:19,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:19,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4858 states to 2356 states and 4588 transitions. [2021-11-22 23:21:19,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 4588 transitions. [2021-11-22 23:21:19,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:19,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:19,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:20,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4859 states to 2357 states and 4589 transitions. [2021-11-22 23:21:20,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 4589 transitions. [2021-11-22 23:21:20,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:20,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4860 states to 2358 states and 4590 transitions. [2021-11-22 23:21:20,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 4590 transitions. [2021-11-22 23:21:20,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:20,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 2359 states and 4591 transitions. [2021-11-22 23:21:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 4591 transitions. [2021-11-22 23:21:20,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:20,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,999 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4865 states to 2361 states and 4595 transitions. [2021-11-22 23:21:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 4595 transitions. [2021-11-22 23:21:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:21,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:21,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 2406 states and 4695 transitions. [2021-11-22 23:21:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 4695 transitions. [2021-11-22 23:21:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:42,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:42,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:42,625 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:21:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5034 states to 2406 states and 4694 transitions. [2021-11-22 23:21:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 4694 transitions. [2021-11-22 23:21:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:42,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:42,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:43,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:43,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5041 states to 2408 states and 4699 transitions. [2021-11-22 23:21:43,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2408 states and 4699 transitions. [2021-11-22 23:21:43,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:43,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:43,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:44,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:44,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5042 states to 2409 states and 4700 transitions. [2021-11-22 23:21:44,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 4700 transitions. [2021-11-22 23:21:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:44,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:44,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:44,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 2410 states and 4701 transitions. [2021-11-22 23:21:44,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 4701 transitions. [2021-11-22 23:21:44,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:44,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:44,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:47,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5062 states to 2418 states and 4718 transitions. [2021-11-22 23:21:47,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 4718 transitions. [2021-11-22 23:21:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:47,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:47,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:52,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5093 states to 2432 states and 4747 transitions. [2021-11-22 23:21:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 4747 transitions. [2021-11-22 23:21:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:52,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:52,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:21:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:52,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5094 states to 2433 states and 4748 transitions. [2021-11-22 23:21:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 4748 transitions. [2021-11-22 23:21:52,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:21:52,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:52,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:22:00,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:00,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5138 states to 2453 states and 4790 transitions. [2021-11-22 23:22:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 4790 transitions. [2021-11-22 23:22:00,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:22:00,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:00,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:22:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:00,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 2454 states and 4791 transitions. [2021-11-22 23:22:00,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 4791 transitions. [2021-11-22 23:22:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:22:00,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:00,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:22:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 2482 states and 4850 transitions. [2021-11-22 23:22:13,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 4850 transitions. [2021-11-22 23:22:13,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:22:13,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:13,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:22:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:15,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5140 states to 2453 states and 4796 transitions. [2021-11-22 23:22:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 4796 transitions. [2021-11-22 23:22:15,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:22:15,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:15,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:22:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 2454 states and 4797 transitions. [2021-11-22 23:22:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 4797 transitions. [2021-11-22 23:22:15,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:22:15,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:15,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:22:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 2455 states and 4798 transitions. [2021-11-22 23:22:15,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 4798 transitions. [2021-11-22 23:22:15,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:22:15,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:15,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:22:16,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 2456 states and 4799 transitions. [2021-11-22 23:22:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 4799 transitions. [2021-11-22 23:22:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:22:16,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:16,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:22:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:16,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 2457 states and 4800 transitions. [2021-11-22 23:22:16,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 4800 transitions. [2021-11-22 23:22:16,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:22:16,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:16,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:16,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:22:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:17,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 2458 states and 4801 transitions. [2021-11-22 23:22:17,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 4801 transitions. [2021-11-22 23:22:17,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:22:17,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:17,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:25,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5199 states to 2468 states and 4824 transitions. [2021-11-22 23:22:25,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 4824 transitions. [2021-11-22 23:22:25,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:22:25,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:25,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:26,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 2470 states and 4828 transitions. [2021-11-22 23:22:26,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 4828 transitions. [2021-11-22 23:22:26,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:22:26,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:26,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5206 states to 2472 states and 4831 transitions. [2021-11-22 23:22:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 4831 transitions. [2021-11-22 23:22:27,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:22:27,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:27,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:59,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5392 states to 2519 states and 4939 transitions. [2021-11-22 23:22:59,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 4939 transitions. [2021-11-22 23:22:59,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:22:59,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:59,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:00,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 2521 states and 4944 transitions. [2021-11-22 23:23:00,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 4944 transitions. [2021-11-22 23:23:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:23:00,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:00,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:00,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5400 states to 2522 states and 4945 transitions. [2021-11-22 23:23:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 4945 transitions. [2021-11-22 23:23:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:23:01,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:01,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:01,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:01,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5401 states to 2523 states and 4946 transitions. [2021-11-22 23:23:01,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 4946 transitions. [2021-11-22 23:23:01,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:23:01,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:01,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5420 states to 2531 states and 4963 transitions. [2021-11-22 23:23:05,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 4963 transitions. [2021-11-22 23:23:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:23:05,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:05,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:11,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 2545 states and 4992 transitions. [2021-11-22 23:23:11,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4992 transitions. [2021-11-22 23:23:11,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:23:11,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:11,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:11,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:11,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5452 states to 2546 states and 4993 transitions. [2021-11-22 23:23:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 4993 transitions. [2021-11-22 23:23:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:23:11,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:11,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 2565 states and 5034 transitions. [2021-11-22 23:23:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 5034 transitions. [2021-11-22 23:23:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:23:21,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:21,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:21,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 2566 states and 5035 transitions. [2021-11-22 23:23:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 5035 transitions. [2021-11-22 23:23:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:23:21,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:21,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:31,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:31,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5539 states to 2585 states and 5076 transitions. [2021-11-22 23:23:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 5076 transitions. [2021-11-22 23:23:31,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:23:31,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:31,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:39,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5557 states to 2594 states and 5094 transitions. [2021-11-22 23:23:39,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 5094 transitions. [2021-11-22 23:23:39,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:23:39,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:39,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:39,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 2565 states and 5040 transitions. [2021-11-22 23:23:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 5040 transitions. [2021-11-22 23:23:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:23:40,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:40,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:41,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:41,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5497 states to 2566 states and 5041 transitions. [2021-11-22 23:23:41,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 5041 transitions. [2021-11-22 23:23:41,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:23:41,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:41,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5498 states to 2567 states and 5042 transitions. [2021-11-22 23:23:41,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 5042 transitions. [2021-11-22 23:23:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:23:41,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:41,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:42,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 2568 states and 5043 transitions. [2021-11-22 23:23:42,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 5043 transitions. [2021-11-22 23:23:42,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:23:42,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:42,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:42,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:42,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5500 states to 2569 states and 5044 transitions. [2021-11-22 23:23:42,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 5044 transitions. [2021-11-22 23:23:42,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:23:42,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:42,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:23:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:43,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5501 states to 2570 states and 5045 transitions. [2021-11-22 23:23:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 5045 transitions. [2021-11-22 23:23:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:23:43,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:43,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:23:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 2572 states and 5048 transitions. [2021-11-22 23:23:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 5048 transitions. [2021-11-22 23:23:44,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:23:44,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:44,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:23:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5508 states to 2574 states and 5052 transitions. [2021-11-22 23:23:44,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 5052 transitions. [2021-11-22 23:23:44,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:23:44,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:44,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:44,843 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:23:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:44,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5512 states to 2576 states and 5056 transitions. [2021-11-22 23:23:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 5056 transitions. [2021-11-22 23:23:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:23:44,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:44,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:23:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5542 states to 2588 states and 5084 transitions. [2021-11-22 23:23:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 5084 transitions. [2021-11-22 23:23:58,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:23:58,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:58,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:24:42,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:42,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5743 states to 2637 states and 5199 transitions. [2021-11-22 23:24:42,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 5199 transitions. [2021-11-22 23:24:42,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:24:42,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:42,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:24:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5750 states to 2639 states and 5204 transitions. [2021-11-22 23:24:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 5204 transitions. [2021-11-22 23:24:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:24:44,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,509 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:24:45,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5751 states to 2640 states and 5205 transitions. [2021-11-22 23:24:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 5205 transitions. [2021-11-22 23:24:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:24:45,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:24:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5752 states to 2641 states and 5206 transitions. [2021-11-22 23:24:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 5206 transitions. [2021-11-22 23:24:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:24:46,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:24:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5771 states to 2649 states and 5223 transitions. [2021-11-22 23:24:50,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 5223 transitions. [2021-11-22 23:24:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:24:50,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:24:58,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 2663 states and 5253 transitions. [2021-11-22 23:24:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 5253 transitions. [2021-11-22 23:24:58,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:24:58,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:24:59,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5804 states to 2664 states and 5254 transitions. [2021-11-22 23:24:59,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 5254 transitions. [2021-11-22 23:24:59,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:24:59,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5841 states to 2680 states and 5289 transitions. [2021-11-22 23:25:09,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 5289 transitions. [2021-11-22 23:25:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:25:09,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:12,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 2683 states and 5295 transitions. [2021-11-22 23:25:12,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 5295 transitions. [2021-11-22 23:25:12,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:25:12,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:14,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5849 states to 2685 states and 5297 transitions. [2021-11-22 23:25:14,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 5297 transitions. [2021-11-22 23:25:14,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:25:14,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5886 states to 2701 states and 5332 transitions. [2021-11-22 23:25:25,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 5332 transitions. [2021-11-22 23:25:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:25:25,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:37,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:37,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 2713 states and 5356 transitions. [2021-11-22 23:25:37,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 5356 transitions. [2021-11-22 23:25:37,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:25:37,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:37,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:38,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:38,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5848 states to 2684 states and 5302 transitions. [2021-11-22 23:25:38,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 5302 transitions. [2021-11-22 23:25:38,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:38,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:38,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:39,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5849 states to 2685 states and 5303 transitions. [2021-11-22 23:25:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 5303 transitions. [2021-11-22 23:25:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:39,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:39,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:39,214 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:39,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5850 states to 2686 states and 5304 transitions. [2021-11-22 23:25:39,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 5304 transitions. [2021-11-22 23:25:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:39,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:39,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:40,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:40,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5851 states to 2687 states and 5305 transitions. [2021-11-22 23:25:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 5305 transitions. [2021-11-22 23:25:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:40,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:40,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:41,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:41,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 2688 states and 5306 transitions. [2021-11-22 23:25:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 5306 transitions. [2021-11-22 23:25:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:41,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:41,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:41,400 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:25:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5853 states to 2689 states and 5307 transitions. [2021-11-22 23:25:42,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 5307 transitions. [2021-11-22 23:25:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:42,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:42,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:42,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5856 states to 2691 states and 5310 transitions. [2021-11-22 23:25:42,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 5310 transitions. [2021-11-22 23:25:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:42,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:42,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:43,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:43,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5859 states to 2693 states and 5313 transitions. [2021-11-22 23:25:43,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 5313 transitions. [2021-11-22 23:25:43,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:43,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:43,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:43,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5863 states to 2695 states and 5317 transitions. [2021-11-22 23:25:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 5317 transitions. [2021-11-22 23:25:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:43,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:43,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5867 states to 2697 states and 5321 transitions. [2021-11-22 23:25:43,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 5321 transitions. [2021-11-22 23:25:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:43,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:43,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:26:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5903 states to 2711 states and 5355 transitions. [2021-11-22 23:26:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 5355 transitions. [2021-11-22 23:26:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:26:03,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:03,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:27:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6121 states to 2762 states and 5479 transitions. [2021-11-22 23:27:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 5479 transitions. [2021-11-22 23:27:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:04,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:04,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:06,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:06,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6128 states to 2764 states and 5484 transitions. [2021-11-22 23:27:06,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 5484 transitions. [2021-11-22 23:27:06,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:06,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:06,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:06,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6129 states to 2765 states and 5485 transitions. [2021-11-22 23:27:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2765 states and 5485 transitions. [2021-11-22 23:27:07,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:07,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:07,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:07,377 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:08,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6130 states to 2766 states and 5486 transitions. [2021-11-22 23:27:08,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 5486 transitions. [2021-11-22 23:27:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:08,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:08,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:13,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 2774 states and 5503 transitions. [2021-11-22 23:27:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 5503 transitions. [2021-11-22 23:27:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:13,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:13,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:13,512 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:23,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6180 states to 2787 states and 5532 transitions. [2021-11-22 23:27:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 5532 transitions. [2021-11-22 23:27:23,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:23,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:23,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:24,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6181 states to 2788 states and 5533 transitions. [2021-11-22 23:27:24,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 5533 transitions. [2021-11-22 23:27:24,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:24,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:24,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:35,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:35,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6212 states to 2801 states and 5562 transitions. [2021-11-22 23:27:35,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 5562 transitions. [2021-11-22 23:27:35,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:35,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:35,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 2804 states and 5568 transitions. [2021-11-22 23:27:38,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 5568 transitions. [2021-11-22 23:27:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:38,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:38,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:38,840 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6224 states to 2807 states and 5574 transitions. [2021-11-22 23:27:42,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 5574 transitions. [2021-11-22 23:27:42,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:42,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:42,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:44,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:44,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6226 states to 2809 states and 5576 transitions. [2021-11-22 23:27:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 5576 transitions. [2021-11-22 23:27:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:44,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:44,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:27:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6263 states to 2825 states and 5611 transitions. [2021-11-22 23:27:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 5611 transitions. [2021-11-22 23:27:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:59,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:59,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:28:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:10,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6281 states to 2834 states and 5629 transitions. [2021-11-22 23:28:10,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 5629 transitions. [2021-11-22 23:28:10,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:10,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:10,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:28:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6287 states to 2837 states and 5635 transitions. [2021-11-22 23:28:13,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 5635 transitions. [2021-11-22 23:28:13,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:13,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:13,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:28:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6224 states to 2808 states and 5581 transitions. [2021-11-22 23:28:15,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 5581 transitions. [2021-11-22 23:28:15,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:15,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:15,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:28:16,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6225 states to 2809 states and 5582 transitions. [2021-11-22 23:28:16,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 5582 transitions. [2021-11-22 23:28:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:16,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:16,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:16,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:28:17,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6226 states to 2810 states and 5583 transitions. [2021-11-22 23:28:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 5583 transitions. [2021-11-22 23:28:17,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:17,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:17,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:28:18,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6227 states to 2811 states and 5584 transitions. [2021-11-22 23:28:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 5584 transitions. [2021-11-22 23:28:18,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:18,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:18,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:28:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:19,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6228 states to 2812 states and 5585 transitions. [2021-11-22 23:28:19,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 5585 transitions. [2021-11-22 23:28:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:19,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:19,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:28:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:20,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6229 states to 2813 states and 5586 transitions. [2021-11-22 23:28:20,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 5586 transitions. [2021-11-22 23:28:20,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:20,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:20,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:20,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6232 states to 2815 states and 5589 transitions. [2021-11-22 23:28:20,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 5589 transitions. [2021-11-22 23:28:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:20,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:20,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6235 states to 2817 states and 5592 transitions. [2021-11-22 23:28:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 5592 transitions. [2021-11-22 23:28:20,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:20,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:20,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 2819 states and 5595 transitions. [2021-11-22 23:28:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 5595 transitions. [2021-11-22 23:28:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:20,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:20,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:21,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 2821 states and 5598 transitions. [2021-11-22 23:28:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 5598 transitions. [2021-11-22 23:28:21,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:21,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:21,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6245 states to 2823 states and 5602 transitions. [2021-11-22 23:28:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 5602 transitions. [2021-11-22 23:28:22,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:22,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:22,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6249 states to 2825 states and 5606 transitions. [2021-11-22 23:28:22,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 5606 transitions. [2021-11-22 23:28:22,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:22,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:22,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:23,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:53,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6321 states to 2841 states and 5646 transitions. [2021-11-22 23:28:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 5646 transitions. [2021-11-22 23:28:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:53,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:53,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.