./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/rewnifrev.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_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/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_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/rewnifrev.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/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_cce4a542-7517-4967-9ca6-a85929d74b59/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 62ffb246c1e6cc2a3d3d5a08bb5a65a9894a173aba5be4caac9150f1d27ccfed --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:09:12,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:09:12,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:09:12,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:09:12,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:09:12,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:09:12,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:09:12,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:09:12,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:09:12,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:09:12,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:09:12,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:09:12,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:09:12,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:09:12,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:09:12,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:09:12,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:09:12,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:09:12,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:09:12,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:09:12,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:09:12,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:09:12,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:09:12,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:09:12,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:09:12,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:09:12,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:09:12,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:09:12,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:09:12,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:09:12,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:09:12,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:09:12,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:09:12,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:09:12,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:09:12,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:09:12,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:09:12,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:09:12,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:09:12,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:09:12,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:09:12,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:09:12,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:09:12,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:09:12,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:09:12,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:09:12,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:09:12,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:09:12,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:09:12,997 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:09:12,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:09:12,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:09:12,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:09:13,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:09:13,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:09:13,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:09:13,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:09:13,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:09:13,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:09:13,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:09:13,007 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:09:13,007 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:09:13,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:09:13,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:13,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:09:13,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:09:13,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:09:13,009 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:09:13,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:09:13,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:09:13,009 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_cce4a542-7517-4967-9ca6-a85929d74b59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62ffb246c1e6cc2a3d3d5a08bb5a65a9894a173aba5be4caac9150f1d27ccfed [2021-11-22 23:09:13,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:09:13,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:09:13,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:09:13,320 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:09:13,324 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:09:13,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-tiling/rewnifrev.c [2021-11-22 23:09:13,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ/data/b04615e41/88cbb6a6627c4c9cb3bed3356ecab8cc/FLAGe1cae7266 [2021-11-22 23:09:13,808 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:09:13,809 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/sv-benchmarks/c/array-tiling/rewnifrev.c [2021-11-22 23:09:13,816 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ/data/b04615e41/88cbb6a6627c4c9cb3bed3356ecab8cc/FLAGe1cae7266 [2021-11-22 23:09:14,189 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ/data/b04615e41/88cbb6a6627c4c9cb3bed3356ecab8cc [2021-11-22 23:09:14,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:09:14,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:09:14,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:14,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:09:14,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:09:14,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4a1061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14, skipping insertion in model container [2021-11-22 23:09:14,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:09:14,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:09:14,400 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_cce4a542-7517-4967-9ca6-a85929d74b59/sv-benchmarks/c/array-tiling/rewnifrev.c[400,413] [2021-11-22 23:09:14,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:14,422 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:09:14,435 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_cce4a542-7517-4967-9ca6-a85929d74b59/sv-benchmarks/c/array-tiling/rewnifrev.c[400,413] [2021-11-22 23:09:14,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:14,453 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:09:14,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14 WrapperNode [2021-11-22 23:09:14,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:14,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:14,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:09:14,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:09:14,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,487 INFO L137 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2021-11-22 23:09:14,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:14,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:09:14,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:09:14,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:09:14,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:09:14,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:09:14,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:09:14,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:09:14,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:14,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:09:14,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:09:14,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cce4a542-7517-4967-9ca6-a85929d74b59/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:09:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:09:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:09:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:09:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:09:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:09:14,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:09:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:09:14,677 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:09:14,679 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:09:14,810 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:09:14,847 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:09:14,851 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:09:14,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:14 BoogieIcfgContainer [2021-11-22 23:09:14,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:09:14,868 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:09:14,868 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:09:14,891 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:09:14,891 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:09:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-22 23:09:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-22 23:09:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:09:14,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:14,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,203 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 23:09:15,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-22 23:09:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-22 23:09:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:09:15,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:15,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-22 23:09:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-22 23:09:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:09:15,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:15,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-22 23:09:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-22 23:09:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:09:16,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:16,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:17,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2021-11-22 23:09:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2021-11-22 23:09:17,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:17,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:17,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:17,536 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:19,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2021-11-22 23:09:19,447 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2021-11-22 23:09:19,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:09:19,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:19,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:20,009 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:22,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 66 transitions. [2021-11-22 23:09:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2021-11-22 23:09:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:09:22,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:22,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:23,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:23,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2021-11-22 23:09:23,328 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2021-11-22 23:09:23,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:09:23,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:23,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-22 23:09:26,103 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-22 23:09:26,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:09:26,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:26,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:26,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 47 states and 85 transitions. [2021-11-22 23:09:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2021-11-22 23:09:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:09:26,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:26,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:32,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:32,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 60 states and 106 transitions. [2021-11-22 23:09:32,793 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 106 transitions. [2021-11-22 23:09:32,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:09:32,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:32,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:33,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:33,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 57 states and 102 transitions. [2021-11-22 23:09:33,720 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 102 transitions. [2021-11-22 23:09:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:09:33,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:33,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:33,984 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:38,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2021-11-22 23:09:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2021-11-22 23:09:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:09:38,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:38,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 86 states and 149 transitions. [2021-11-22 23:09:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 149 transitions. [2021-11-22 23:09:50,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:09:50,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:50,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:52,258 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 87 states and 151 transitions. [2021-11-22 23:09:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2021-11-22 23:09:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:09:55,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,326 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:09:56,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:56,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 83 states and 143 transitions. [2021-11-22 23:09:56,074 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 143 transitions. [2021-11-22 23:09:56,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:09:56,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:56,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:56,558 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 163 transitions. [2021-11-22 23:10:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 163 transitions. [2021-11-22 23:10:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:10:03,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:03,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:03,446 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:04,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:04,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 98 states and 170 transitions. [2021-11-22 23:10:04,968 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 170 transitions. [2021-11-22 23:10:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:10:04,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:04,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:05,010 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:05,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 99 states and 171 transitions. [2021-11-22 23:10:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 171 transitions. [2021-11-22 23:10:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:10:05,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:05,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:06,746 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:17,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 194 transitions. [2021-11-22 23:10:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 194 transitions. [2021-11-22 23:10:17,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:10:17,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:17,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:18,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:18,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 113 states and 195 transitions. [2021-11-22 23:10:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 195 transitions. [2021-11-22 23:10:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:10:18,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:18,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:18,987 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:21,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 116 states and 203 transitions. [2021-11-22 23:10:21,420 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 203 transitions. [2021-11-22 23:10:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:10:21,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:21,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 117 states and 203 transitions. [2021-11-22 23:10:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 203 transitions. [2021-11-22 23:10:22,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:10:22,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:22,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 132 states and 232 transitions. [2021-11-22 23:10:34,410 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 232 transitions. [2021-11-22 23:10:34,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:10:34,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:34,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:35,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 133 states and 233 transitions. [2021-11-22 23:10:35,149 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 233 transitions. [2021-11-22 23:10:35,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:10:35,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:35,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:36,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 134 states and 234 transitions. [2021-11-22 23:10:36,031 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 234 transitions. [2021-11-22 23:10:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:10:36,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:36,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:36,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 135 states and 234 transitions. [2021-11-22 23:10:36,705 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 234 transitions. [2021-11-22 23:10:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:10:36,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:36,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:36,754 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 137 states and 239 transitions. [2021-11-22 23:10:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 239 transitions. [2021-11-22 23:10:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:10:38,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:38,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 138 states and 239 transitions. [2021-11-22 23:10:39,004 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 239 transitions. [2021-11-22 23:10:39,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:10:39,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:39,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:58,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:58,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 151 states and 264 transitions. [2021-11-22 23:10:58,510 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 264 transitions. [2021-11-22 23:10:58,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:10:58,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:58,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:58,832 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:01,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:01,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 154 states and 271 transitions. [2021-11-22 23:11:01,371 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 271 transitions. [2021-11-22 23:11:01,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:11:01,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:01,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:01,790 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 157 states and 275 transitions. [2021-11-22 23:11:04,052 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 275 transitions. [2021-11-22 23:11:04,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:11:04,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:04,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:04,451 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:05,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 158 states and 275 transitions. [2021-11-22 23:11:05,292 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2021-11-22 23:11:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:11:05,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:05,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:05,666 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:06,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 159 states and 278 transitions. [2021-11-22 23:11:06,861 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 278 transitions. [2021-11-22 23:11:06,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:11:06,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:06,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 174 states and 307 transitions. [2021-11-22 23:11:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 307 transitions. [2021-11-22 23:11:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:11:23,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:23,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:25,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 176 states and 314 transitions. [2021-11-22 23:11:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 314 transitions. [2021-11-22 23:11:25,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:11:25,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:25,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 177 states and 314 transitions. [2021-11-22 23:11:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 314 transitions. [2021-11-22 23:11:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:11:26,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:26,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 178 states and 314 transitions. [2021-11-22 23:11:27,635 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 314 transitions. [2021-11-22 23:11:27,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:11:27,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:27,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:30,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 181 states and 316 transitions. [2021-11-22 23:11:30,044 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 316 transitions. [2021-11-22 23:11:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:11:30,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:30,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:30,089 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:31,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 182 states and 316 transitions. [2021-11-22 23:11:31,064 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 316 transitions. [2021-11-22 23:11:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:11:31,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:31,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 183 states and 317 transitions. [2021-11-22 23:11:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 317 transitions. [2021-11-22 23:11:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:11:32,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:32,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 8 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 196 states and 340 transitions. [2021-11-22 23:11:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 340 transitions. [2021-11-22 23:11:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:11:53,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:53,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 8 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 198 states and 347 transitions. [2021-11-22 23:11:56,511 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 347 transitions. [2021-11-22 23:11:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:11:56,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:56,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:57,216 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 8 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:00,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 201 states and 350 transitions. [2021-11-22 23:12:00,191 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 350 transitions. [2021-11-22 23:12:00,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:12:00,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:00,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 8 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 204 states and 356 transitions. [2021-11-22 23:12:04,407 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 356 transitions. [2021-11-22 23:12:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:12:04,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:04,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 8 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 208 states and 360 transitions. [2021-11-22 23:12:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 360 transitions. [2021-11-22 23:12:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:12:09,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:09,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 8 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:12,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 210 states and 366 transitions. [2021-11-22 23:12:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 366 transitions. [2021-11-22 23:12:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:12:12,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:12,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 8 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:14,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:14,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 211 states and 367 transitions. [2021-11-22 23:12:14,846 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 367 transitions. [2021-11-22 23:12:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:12:14,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:14,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 8 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:16,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 212 states and 367 transitions. [2021-11-22 23:12:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 367 transitions. [2021-11-22 23:12:16,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:12:16,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:16,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 16 proven. 105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:12:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:19,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 209 states and 361 transitions. [2021-11-22 23:12:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 361 transitions. [2021-11-22 23:12:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:12:19,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:19,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:38,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 222 states and 382 transitions. [2021-11-22 23:12:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 382 transitions. [2021-11-22 23:12:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:12:38,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:38,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 227 states and 392 transitions. [2021-11-22 23:12:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 392 transitions. [2021-11-22 23:12:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:12:44,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:44,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 228 states and 393 transitions. [2021-11-22 23:12:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 393 transitions. [2021-11-22 23:12:45,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:12:45,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:45,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:50,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:50,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 231 states and 400 transitions. [2021-11-22 23:12:50,609 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 400 transitions. [2021-11-22 23:12:50,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:12:50,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:50,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:50,654 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:51,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 232 states and 400 transitions. [2021-11-22 23:12:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 400 transitions. [2021-11-22 23:12:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:12:51,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:51,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:51,900 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:53,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 233 states and 400 transitions. [2021-11-22 23:12:53,379 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 400 transitions. [2021-11-22 23:12:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:12:53,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:53,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,850 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 243 states and 417 transitions. [2021-11-22 23:13:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 417 transitions. [2021-11-22 23:13:21,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:13:21,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:21,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:22,774 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:28,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:28,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 246 states and 426 transitions. [2021-11-22 23:13:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 426 transitions. [2021-11-22 23:13:28,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:13:28,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:28,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:35,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 249 states and 433 transitions. [2021-11-22 23:13:35,359 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 433 transitions. [2021-11-22 23:13:35,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:13:35,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:35,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:38,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 250 states and 433 transitions. [2021-11-22 23:13:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 433 transitions. [2021-11-22 23:13:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:13:38,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:38,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:40,044 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:43,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:43,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 253 states and 435 transitions. [2021-11-22 23:13:43,823 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 435 transitions. [2021-11-22 23:13:43,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:13:43,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:43,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:46,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 254 states and 435 transitions. [2021-11-22 23:13:46,914 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 435 transitions. [2021-11-22 23:13:46,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:13:46,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:46,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 272 states and 467 transitions. [2021-11-22 23:14:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 467 transitions. [2021-11-22 23:14:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:14:24,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:24,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 274 states and 473 transitions. [2021-11-22 23:14:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 473 transitions. [2021-11-22 23:14:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:14:29,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:29,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:29,408 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 275 states and 474 transitions. [2021-11-22 23:14:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 474 transitions. [2021-11-22 23:14:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:14:31,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:31,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:31,406 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:33,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:33,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 276 states and 474 transitions. [2021-11-22 23:14:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 474 transitions. [2021-11-22 23:14:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:14:33,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:33,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:35,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 277 states and 474 transitions. [2021-11-22 23:14:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 474 transitions. [2021-11-22 23:14:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:14:35,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:35,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:14:38,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 278 states and 474 transitions. [2021-11-22 23:14:38,548 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 474 transitions. [2021-11-22 23:14:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:14:38,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:38,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 10 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:14,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:14,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 288 states and 491 transitions. [2021-11-22 23:15:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 491 transitions. [2021-11-22 23:15:14,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:15:14,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:14,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:16,870 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 10 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:27,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 293 states and 502 transitions. [2021-11-22 23:15:27,913 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 502 transitions. [2021-11-22 23:15:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:15:27,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:27,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 10 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:32,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:32,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 294 states and 503 transitions. [2021-11-22 23:15:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 503 transitions. [2021-11-22 23:15:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:15:32,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:32,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 10 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:41,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 297 states and 509 transitions. [2021-11-22 23:15:41,679 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 509 transitions. [2021-11-22 23:15:41,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:15:41,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:41,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 10 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:46,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:46,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 298 states and 509 transitions. [2021-11-22 23:15:46,368 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 509 transitions. [2021-11-22 23:15:46,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:15:46,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:46,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:48,703 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 10 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 299 states and 509 transitions. [2021-11-22 23:15:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 509 transitions. [2021-11-22 23:15:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:15:50,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:50,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:24,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 312 states and 530 transitions. [2021-11-22 23:16:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 530 transitions. [2021-11-22 23:16:24,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:16:24,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:24,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:32,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:32,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 315 states and 538 transitions. [2021-11-22 23:16:32,530 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 538 transitions. [2021-11-22 23:16:32,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:16:32,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:32,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:34,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 316 states and 539 transitions. [2021-11-22 23:16:34,907 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 539 transitions. [2021-11-22 23:16:34,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:16:34,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 319 states and 542 transitions. [2021-11-22 23:16:41,209 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 542 transitions. [2021-11-22 23:16:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:16:41,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:41,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:43,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 320 states and 543 transitions. [2021-11-22 23:16:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 543 transitions. [2021-11-22 23:16:43,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:16:43,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:43,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 322 states and 548 transitions. [2021-11-22 23:16:48,559 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 548 transitions. [2021-11-22 23:16:48,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:16:48,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:48,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:51,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:51,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 323 states and 548 transitions. [2021-11-22 23:16:51,404 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 548 transitions. [2021-11-22 23:16:51,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:16:51,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:51,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 11 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 338 states and 575 transitions. [2021-11-22 23:17:48,455 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 575 transitions. [2021-11-22 23:17:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:17:48,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,301 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 11 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 339 states and 575 transitions. [2021-11-22 23:17:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 575 transitions. [2021-11-22 23:17:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:17:55,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 11 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 340 states and 576 transitions. [2021-11-22 23:18:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 576 transitions. [2021-11-22 23:18:01,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:18:01,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,904 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 11 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 343 states and 583 transitions. [2021-11-22 23:18:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 583 transitions. [2021-11-22 23:18:16,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:18:16,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,838 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 11 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 344 states and 583 transitions. [2021-11-22 23:18:22,328 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 583 transitions. [2021-11-22 23:18:22,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:18:22,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:14,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 360 states and 612 transitions. [2021-11-22 23:19:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 612 transitions. [2021-11-22 23:19:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:19:14,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:14,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:14,755 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 363 states and 619 transitions. [2021-11-22 23:19:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 619 transitions. [2021-11-22 23:19:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:19:24,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,108 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:27,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 364 states and 619 transitions. [2021-11-22 23:19:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 619 transitions. [2021-11-22 23:19:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:19:27,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,126 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:34,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 367 states and 621 transitions. [2021-11-22 23:19:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 621 transitions. [2021-11-22 23:19:34,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:19:34,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:34,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 368 states and 622 transitions. [2021-11-22 23:19:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 622 transitions. [2021-11-22 23:19:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:19:37,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:37,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 11 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:56,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 378 states and 639 transitions. [2021-11-22 23:20:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 639 transitions. [2021-11-22 23:20:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:20:56,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,855 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 11 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 383 states and 650 transitions. [2021-11-22 23:21:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 650 transitions. [2021-11-22 23:21:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:21:13,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:13,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 11 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.