./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:22:29,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:22:29,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:22:29,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:22:29,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:22:29,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:22:29,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:22:29,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:22:29,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:22:29,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:22:29,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:22:29,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:22:29,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:22:29,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:22:29,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:22:29,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:22:29,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:22:29,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:22:29,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:22:29,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:22:29,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:22:29,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:22:29,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:22:29,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:22:29,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:22:29,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:22:29,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:22:29,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:22:29,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:22:29,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:22:29,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:22:29,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:22:29,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:22:29,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:22:29,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:22:29,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:22:29,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:22:29,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:22:29,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:22:29,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:22:29,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:22:29,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 23:22:29,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:22:29,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:22:29,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:22:29,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:22:29,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:22:29,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:22:29,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:22:29,951 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:22:29,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:22:29,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:22:29,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:22:29,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:22:29,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:22:29,959 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:22:29,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:22:29,959 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:22:29,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:22:29,960 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:22:29,960 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:22:29,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:22:29,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:22:29,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:22:29,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:22:29,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:22:29,962 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:22:29,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:22:29,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:22:29,962 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_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 [2021-11-13 23:22:30,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:22:30,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:22:30,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:22:30,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:22:30,280 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:22:30,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2021-11-13 23:22:30,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/data/f5595e201/2b295410718a4e9ba33ed2e2932fa4d0/FLAG924636de1 [2021-11-13 23:22:30,885 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:22:30,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2021-11-13 23:22:30,896 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/data/f5595e201/2b295410718a4e9ba33ed2e2932fa4d0/FLAG924636de1 [2021-11-13 23:22:31,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/data/f5595e201/2b295410718a4e9ba33ed2e2932fa4d0 [2021-11-13 23:22:31,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:22:31,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:22:31,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:22:31,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:22:31,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:22:31,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aceb325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31, skipping insertion in model container [2021-11-13 23:22:31,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:22:31,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:22:31,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:22:31,512 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:22:31,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:22:31,540 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:22:31,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31 WrapperNode [2021-11-13 23:22:31,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:22:31,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:22:31,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:22:31,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:22:31,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:22:31,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:22:31,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:22:31,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:22:31,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:22:31,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:22:31,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:22:31,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:22:31,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:22:31,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:22:31,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:22:31,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b53af85-26a0-45e1-aee9-7c8db01070cd/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:22:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:22:31,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:22:31,888 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:22:31,889 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 23:22:31,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:31 BoogieIcfgContainer [2021-11-13 23:22:31,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:22:31,892 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:22:31,893 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:22:31,902 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:22:31,903 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:22:31" (1/1) ... [2021-11-13 23:22:31,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:22:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-13 23:22:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-13 23:22:31,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:22:31,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:31,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:32,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-11-13 23:22:32,134 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-13 23:22:32,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:22:32,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:32,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:32,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:32,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-13 23:22:32,307 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-13 23:22:32,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:22:32,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:32,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-11-13 23:22:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-11-13 23:22:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:22:32,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:32,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:32,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:32,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2021-11-13 23:22:32,922 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2021-11-13 23:22:32,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:22:32,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:32,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:33,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2021-11-13 23:22:33,089 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2021-11-13 23:22:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:22:33,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:33,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-11-13 23:22:33,266 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-11-13 23:22:33,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:22:33,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:33,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:33,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2021-11-13 23:22:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2021-11-13 23:22:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:22:33,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:33,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:33,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2021-11-13 23:22:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2021-11-13 23:22:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:22:33,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:33,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:33,778 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:22:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2021-11-13 23:22:34,205 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-11-13 23:22:34,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:22:34,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:34,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:34,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:22:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2021-11-13 23:22:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2021-11-13 23:22:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:22:34,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:34,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:34,512 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:22:34,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:34,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-13 23:22:34,622 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-13 23:22:34,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:22:34,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:34,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:34,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:22:34,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:34,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2021-11-13 23:22:34,783 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-11-13 23:22:34,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:22:34,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:34,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:34,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:34,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2021-11-13 23:22:34,983 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2021-11-13 23:22:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:22:34,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:34,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:35,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2021-11-13 23:22:35,694 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-13 23:22:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:22:35,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:35,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:22:36,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-13 23:22:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-13 23:22:36,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:22:36,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:36,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:36,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2021-11-13 23:22:36,513 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2021-11-13 23:22:36,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:22:36,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:36,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:37,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2021-11-13 23:22:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2021-11-13 23:22:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:22:37,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:37,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 23:22:37,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:37,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2021-11-13 23:22:37,663 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2021-11-13 23:22:37,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:22:37,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:37,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 53 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:38,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:38,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 73 transitions. [2021-11-13 23:22:38,648 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-11-13 23:22:38,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:22:38,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:38,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 74 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:22:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:39,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2021-11-13 23:22:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2021-11-13 23:22:39,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:22:39,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:39,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 74 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:39,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:39,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 60 states and 89 transitions. [2021-11-13 23:22:39,997 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2021-11-13 23:22:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:22:39,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:39,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 107 proven. 57 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-13 23:22:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2021-11-13 23:22:40,444 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-11-13 23:22:40,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:22:40,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:40,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 98 proven. 137 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:41,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:41,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 69 states and 106 transitions. [2021-11-13 23:22:41,537 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2021-11-13 23:22:41,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:22:41,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:41,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 146 proven. 77 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-13 23:22:42,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:42,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 72 states and 109 transitions. [2021-11-13 23:22:42,002 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2021-11-13 23:22:42,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:22:42,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:42,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 125 proven. 191 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:43,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2021-11-13 23:22:43,154 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2021-11-13 23:22:43,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:22:43,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:43,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 191 proven. 100 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-13 23:22:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2021-11-13 23:22:43,676 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2021-11-13 23:22:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 23:22:43,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:43,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 155 proven. 254 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:45,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:45,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 87 states and 143 transitions. [2021-11-13 23:22:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 143 transitions. [2021-11-13 23:22:45,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 23:22:45,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:45,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 242 proven. 126 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-13 23:22:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 90 states and 146 transitions. [2021-11-13 23:22:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 146 transitions. [2021-11-13 23:22:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:22:45,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:45,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 188 proven. 326 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:47,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 163 transitions. [2021-11-13 23:22:47,108 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 163 transitions. [2021-11-13 23:22:47,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 23:22:47,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:47,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:47,274 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 299 proven. 155 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-13 23:22:47,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:47,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 166 transitions. [2021-11-13 23:22:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 166 transitions. [2021-11-13 23:22:47,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:22:47,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:47,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 224 proven. 407 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:49,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 105 states and 184 transitions. [2021-11-13 23:22:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 184 transitions. [2021-11-13 23:22:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 23:22:49,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:49,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 362 proven. 187 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-13 23:22:50,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 108 states and 187 transitions. [2021-11-13 23:22:50,115 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 187 transitions. [2021-11-13 23:22:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:22:50,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:50,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:50,362 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 263 proven. 497 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:51,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 114 states and 206 transitions. [2021-11-13 23:22:51,776 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 206 transitions. [2021-11-13 23:22:51,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:22:51,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:51,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 431 proven. 222 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-13 23:22:52,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 117 states and 209 transitions. [2021-11-13 23:22:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 209 transitions. [2021-11-13 23:22:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:22:52,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:52,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 305 proven. 596 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:54,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 123 states and 229 transitions. [2021-11-13 23:22:54,357 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 229 transitions. [2021-11-13 23:22:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:22:54,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:54,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 506 proven. 260 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-13 23:22:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:55,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 126 states and 232 transitions. [2021-11-13 23:22:55,216 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2021-11-13 23:22:55,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 23:22:55,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:55,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:55,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 350 proven. 704 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:22:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 253 transitions. [2021-11-13 23:22:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 253 transitions. [2021-11-13 23:22:57,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 23:22:57,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:57,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 587 proven. 301 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-11-13 23:22:58,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:58,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 135 states and 256 transitions. [2021-11-13 23:22:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 256 transitions. [2021-11-13 23:22:58,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-13 23:22:58,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:58,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 398 proven. 821 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 141 states and 278 transitions. [2021-11-13 23:23:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 278 transitions. [2021-11-13 23:23:00,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 23:23:00,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:00,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:00,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 674 proven. 345 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-11-13 23:23:00,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:00,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 144 states and 281 transitions. [2021-11-13 23:23:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 281 transitions. [2021-11-13 23:23:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-13 23:23:00,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:00,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1397 backedges. 449 proven. 947 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 150 states and 304 transitions. [2021-11-13 23:23:03,090 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 304 transitions. [2021-11-13 23:23:03,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-13 23:23:03,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:03,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 767 proven. 392 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-11-13 23:23:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 153 states and 307 transitions. [2021-11-13 23:23:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 307 transitions. [2021-11-13 23:23:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-13 23:23:04,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:04,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 503 proven. 1082 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:06,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 159 states and 331 transitions. [2021-11-13 23:23:06,279 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 331 transitions. [2021-11-13 23:23:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 23:23:06,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:06,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1685 backedges. 866 proven. 442 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-13 23:23:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 162 states and 334 transitions. [2021-11-13 23:23:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 334 transitions. [2021-11-13 23:23:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 23:23:07,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:07,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1787 backedges. 560 proven. 1226 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:09,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 168 states and 359 transitions. [2021-11-13 23:23:09,693 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 359 transitions. [2021-11-13 23:23:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 23:23:09,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:09,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:09,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 971 proven. 495 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-11-13 23:23:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 171 states and 362 transitions. [2021-11-13 23:23:10,673 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 362 transitions. [2021-11-13 23:23:10,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 23:23:10,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:10,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 620 proven. 1379 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:13,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 177 states and 388 transitions. [2021-11-13 23:23:13,147 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 388 transitions. [2021-11-13 23:23:13,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 23:23:13,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:13,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 1082 proven. 551 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2021-11-13 23:23:14,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 180 states and 391 transitions. [2021-11-13 23:23:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 391 transitions. [2021-11-13 23:23:14,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-13 23:23:14,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:14,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:14,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2225 backedges. 683 proven. 1541 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:16,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:16,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 186 states and 418 transitions. [2021-11-13 23:23:16,763 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 418 transitions. [2021-11-13 23:23:16,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-13 23:23:16,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:16,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2342 backedges. 1199 proven. 610 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-13 23:23:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 189 states and 421 transitions. [2021-11-13 23:23:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 421 transitions. [2021-11-13 23:23:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-13 23:23:17,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:17,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 749 proven. 1712 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:20,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:20,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 195 states and 449 transitions. [2021-11-13 23:23:20,537 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 449 transitions. [2021-11-13 23:23:20,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 23:23:20,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:20,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:20,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2585 backedges. 1322 proven. 672 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2021-11-13 23:23:21,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 198 states and 452 transitions. [2021-11-13 23:23:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 452 transitions. [2021-11-13 23:23:21,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-13 23:23:21,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:21,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:22,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 818 proven. 1892 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 204 states and 481 transitions. [2021-11-13 23:23:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 481 transitions. [2021-11-13 23:23:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 23:23:24,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:24,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2840 backedges. 1451 proven. 737 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2021-11-13 23:23:25,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 207 states and 484 transitions. [2021-11-13 23:23:25,628 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 484 transitions. [2021-11-13 23:23:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 23:23:25,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:25,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2972 backedges. 890 proven. 2081 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:28,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 213 states and 514 transitions. [2021-11-13 23:23:28,676 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 514 transitions. [2021-11-13 23:23:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-13 23:23:28,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:28,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:28,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3107 backedges. 1586 proven. 805 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2021-11-13 23:23:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:29,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 216 states and 517 transitions. [2021-11-13 23:23:29,943 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 517 transitions. [2021-11-13 23:23:29,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-13 23:23:29,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:29,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3245 backedges. 965 proven. 2279 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:32,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:32,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 222 states and 548 transitions. [2021-11-13 23:23:32,941 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 548 transitions. [2021-11-13 23:23:32,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 23:23:32,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:32,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3386 backedges. 1727 proven. 876 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2021-11-13 23:23:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 225 states and 551 transitions. [2021-11-13 23:23:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 551 transitions. [2021-11-13 23:23:34,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-13 23:23:34,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:34,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3530 backedges. 1043 proven. 2486 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:37,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:37,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 231 states and 583 transitions. [2021-11-13 23:23:37,676 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 583 transitions. [2021-11-13 23:23:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-13 23:23:37,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:37,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:37,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3677 backedges. 1874 proven. 950 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2021-11-13 23:23:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:39,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 234 states and 586 transitions. [2021-11-13 23:23:39,007 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 586 transitions. [2021-11-13 23:23:39,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-13 23:23:39,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:39,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3827 backedges. 1124 proven. 2702 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 240 states and 619 transitions. [2021-11-13 23:23:42,258 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 619 transitions. [2021-11-13 23:23:42,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-13 23:23:42,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:42,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3980 backedges. 2027 proven. 1027 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2021-11-13 23:23:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 243 states and 622 transitions. [2021-11-13 23:23:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 622 transitions. [2021-11-13 23:23:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-13 23:23:43,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:43,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:44,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4136 backedges. 1208 proven. 2927 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:46,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 249 states and 656 transitions. [2021-11-13 23:23:46,885 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 656 transitions. [2021-11-13 23:23:46,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-13 23:23:46,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:46,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:47,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 2186 proven. 1107 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2021-11-13 23:23:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:48,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 252 states and 659 transitions. [2021-11-13 23:23:48,381 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 659 transitions. [2021-11-13 23:23:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-13 23:23:48,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:48,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4457 backedges. 1295 proven. 3161 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:51,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:51,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 258 states and 694 transitions. [2021-11-13 23:23:51,870 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 694 transitions. [2021-11-13 23:23:51,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-13 23:23:51,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:51,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4622 backedges. 2351 proven. 1190 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2021-11-13 23:23:53,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:53,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 261 states and 697 transitions. [2021-11-13 23:23:53,295 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 697 transitions. [2021-11-13 23:23:53,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-13 23:23:53,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:53,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 1385 proven. 3404 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:23:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 267 states and 733 transitions. [2021-11-13 23:23:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 733 transitions. [2021-11-13 23:23:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-13 23:23:57,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:57,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4961 backedges. 2522 proven. 1276 refuted. 0 times theorem prover too weak. 1163 trivial. 0 not checked. [2021-11-13 23:23:58,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:23:58,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 270 states and 736 transitions. [2021-11-13 23:23:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 736 transitions. [2021-11-13 23:23:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-13 23:23:58,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:23:58,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:23:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:59,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 1478 proven. 3656 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:24:02,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 276 states and 773 transitions. [2021-11-13 23:24:02,495 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 773 transitions. [2021-11-13 23:24:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-13 23:24:02,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:02,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5312 backedges. 2699 proven. 1365 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2021-11-13 23:24:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 279 states and 776 transitions. [2021-11-13 23:24:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 776 transitions. [2021-11-13 23:24:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-13 23:24:04,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:04,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:04,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5492 backedges. 1574 proven. 3917 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:24:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:07,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 285 states and 814 transitions. [2021-11-13 23:24:07,906 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 814 transitions. [2021-11-13 23:24:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-13 23:24:07,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:07,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:08,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5675 backedges. 2882 proven. 1457 refuted. 0 times theorem prover too weak. 1336 trivial. 0 not checked. [2021-11-13 23:24:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:09,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 288 states and 817 transitions. [2021-11-13 23:24:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 817 transitions. [2021-11-13 23:24:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-13 23:24:09,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:09,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:10,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5861 backedges. 1673 proven. 4187 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:24:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 294 states and 856 transitions. [2021-11-13 23:24:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 856 transitions. [2021-11-13 23:24:13,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-13 23:24:13,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:13,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 3071 proven. 1552 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2021-11-13 23:24:15,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:15,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 297 states and 859 transitions. [2021-11-13 23:24:15,173 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 859 transitions. [2021-11-13 23:24:15,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-13 23:24:15,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:15,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6242 backedges. 1775 proven. 4466 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:24:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 303 states and 899 transitions. [2021-11-13 23:24:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 899 transitions. [2021-11-13 23:24:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-13 23:24:19,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:19,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:19,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 3266 proven. 1650 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2021-11-13 23:24:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 306 states and 902 transitions. [2021-11-13 23:24:20,943 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 902 transitions. [2021-11-13 23:24:20,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-13 23:24:20,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:20,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6635 backedges. 1880 proven. 4754 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:24:25,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 312 states and 943 transitions. [2021-11-13 23:24:25,218 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 943 transitions. [2021-11-13 23:24:25,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-13 23:24:25,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:25,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:25,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6836 backedges. 3467 proven. 1751 refuted. 0 times theorem prover too weak. 1618 trivial. 0 not checked. [2021-11-13 23:24:26,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:26,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 315 states and 946 transitions. [2021-11-13 23:24:26,899 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 946 transitions. [2021-11-13 23:24:26,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-13 23:24:26,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:26,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 7040 backedges. 1988 proven. 5051 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:24:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:31,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 321 states and 988 transitions. [2021-11-13 23:24:31,231 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 988 transitions. [2021-11-13 23:24:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-13 23:24:31,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:31,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 7247 backedges. 3674 proven. 1855 refuted. 0 times theorem prover too weak. 1718 trivial. 0 not checked. [2021-11-13 23:24:32,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 324 states and 991 transitions. [2021-11-13 23:24:32,959 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 991 transitions. [2021-11-13 23:24:32,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-13 23:24:32,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:32,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 7457 backedges. 2099 proven. 5357 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:24:37,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 330 states and 1034 transitions. [2021-11-13 23:24:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1034 transitions. [2021-11-13 23:24:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-13 23:24:37,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:37,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7670 backedges. 3887 proven. 1962 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2021-11-13 23:24:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 333 states and 1037 transitions. [2021-11-13 23:24:39,327 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1037 transitions. [2021-11-13 23:24:39,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-13 23:24:39,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:39,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:40,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 2213 proven. 5672 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:24:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 339 states and 1081 transitions. [2021-11-13 23:24:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1081 transitions. [2021-11-13 23:24:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-13 23:24:44,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:44,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8105 backedges. 4106 proven. 2072 refuted. 0 times theorem prover too weak. 1927 trivial. 0 not checked. [2021-11-13 23:24:46,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:46,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 342 states and 1084 transitions. [2021-11-13 23:24:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1084 transitions. [2021-11-13 23:24:46,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-13 23:24:46,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:46,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8327 backedges. 2330 proven. 5996 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:24:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 348 states and 1129 transitions. [2021-11-13 23:24:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1129 transitions. [2021-11-13 23:24:50,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-13 23:24:50,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:50,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 8552 backedges. 4331 proven. 2185 refuted. 0 times theorem prover too weak. 2036 trivial. 0 not checked. [2021-11-13 23:24:52,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:52,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 351 states and 1132 transitions. [2021-11-13 23:24:52,593 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1132 transitions. [2021-11-13 23:24:52,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-13 23:24:52,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:52,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8780 backedges. 2450 proven. 6329 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:24:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:57,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 357 states and 1178 transitions. [2021-11-13 23:24:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1178 transitions. [2021-11-13 23:24:57,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-13 23:24:57,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:57,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:24:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 9011 backedges. 4562 proven. 2301 refuted. 0 times theorem prover too weak. 2148 trivial. 0 not checked. [2021-11-13 23:24:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:24:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 360 states and 1181 transitions. [2021-11-13 23:24:59,430 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1181 transitions. [2021-11-13 23:24:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-13 23:24:59,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:24:59,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:24:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:00,164 INFO L134 CoverageAnalysis]: Checked inductivity of 9245 backedges. 2573 proven. 6671 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:04,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 366 states and 1228 transitions. [2021-11-13 23:25:04,269 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 1228 transitions. [2021-11-13 23:25:04,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-13 23:25:04,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:04,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 9482 backedges. 4799 proven. 2420 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked. [2021-11-13 23:25:06,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:06,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 369 states and 1231 transitions. [2021-11-13 23:25:06,355 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 1231 transitions. [2021-11-13 23:25:06,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-13 23:25:06,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:06,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:07,110 INFO L134 CoverageAnalysis]: Checked inductivity of 9722 backedges. 2699 proven. 7022 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:11,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 375 states and 1279 transitions. [2021-11-13 23:25:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 1279 transitions. [2021-11-13 23:25:11,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-13 23:25:11,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:11,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:11,881 INFO L134 CoverageAnalysis]: Checked inductivity of 9965 backedges. 5042 proven. 2542 refuted. 0 times theorem prover too weak. 2381 trivial. 0 not checked. [2021-11-13 23:25:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:13,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 378 states and 1282 transitions. [2021-11-13 23:25:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1282 transitions. [2021-11-13 23:25:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-13 23:25:13,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:13,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:14,242 INFO L134 CoverageAnalysis]: Checked inductivity of 10211 backedges. 2828 proven. 7382 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:18,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 384 states and 1331 transitions. [2021-11-13 23:25:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1331 transitions. [2021-11-13 23:25:18,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-13 23:25:18,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:18,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10460 backedges. 5291 proven. 2667 refuted. 0 times theorem prover too weak. 2502 trivial. 0 not checked. [2021-11-13 23:25:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 387 states and 1334 transitions. [2021-11-13 23:25:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1334 transitions. [2021-11-13 23:25:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-13 23:25:20,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:20,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:21,499 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 2960 proven. 7751 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 393 states and 1384 transitions. [2021-11-13 23:25:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 1384 transitions. [2021-11-13 23:25:26,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-13 23:25:26,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:26,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10967 backedges. 5546 proven. 2795 refuted. 0 times theorem prover too weak. 2626 trivial. 0 not checked. [2021-11-13 23:25:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 396 states and 1387 transitions. [2021-11-13 23:25:28,453 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 1387 transitions. [2021-11-13 23:25:28,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-13 23:25:28,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:28,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 11225 backedges. 3095 proven. 8129 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:33,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 402 states and 1438 transitions. [2021-11-13 23:25:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 1438 transitions. [2021-11-13 23:25:33,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-13 23:25:33,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:33,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 11486 backedges. 5807 proven. 2926 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2021-11-13 23:25:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 405 states and 1441 transitions. [2021-11-13 23:25:36,044 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 1441 transitions. [2021-11-13 23:25:36,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-13 23:25:36,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:36,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 11750 backedges. 3233 proven. 8516 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:41,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 411 states and 1493 transitions. [2021-11-13 23:25:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1493 transitions. [2021-11-13 23:25:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-13 23:25:41,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:41,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 12017 backedges. 6074 proven. 3060 refuted. 0 times theorem prover too weak. 2883 trivial. 0 not checked. [2021-11-13 23:25:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 414 states and 1496 transitions. [2021-11-13 23:25:44,118 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1496 transitions. [2021-11-13 23:25:44,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-13 23:25:44,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:44,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 12287 backedges. 3374 proven. 8912 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:49,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 420 states and 1549 transitions. [2021-11-13 23:25:49,830 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1549 transitions. [2021-11-13 23:25:49,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-13 23:25:49,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:49,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 12560 backedges. 6347 proven. 3197 refuted. 0 times theorem prover too weak. 3016 trivial. 0 not checked. [2021-11-13 23:25:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 423 states and 1552 transitions. [2021-11-13 23:25:52,250 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1552 transitions. [2021-11-13 23:25:52,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-13 23:25:52,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:52,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 12836 backedges. 3518 proven. 9317 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:58,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 429 states and 1606 transitions. [2021-11-13 23:25:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1606 transitions. [2021-11-13 23:25:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-13 23:25:58,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:58,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 13115 backedges. 6626 proven. 3337 refuted. 0 times theorem prover too weak. 3152 trivial. 0 not checked. [2021-11-13 23:26:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:00,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 432 states and 1609 transitions. [2021-11-13 23:26:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1609 transitions. [2021-11-13 23:26:00,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-13 23:26:00,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:00,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:01,555 INFO L134 CoverageAnalysis]: Checked inductivity of 13397 backedges. 3665 proven. 9731 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 438 states and 1664 transitions. [2021-11-13 23:26:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1664 transitions. [2021-11-13 23:26:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-13 23:26:06,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:06,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:07,049 INFO L134 CoverageAnalysis]: Checked inductivity of 13682 backedges. 6911 proven. 3480 refuted. 0 times theorem prover too weak. 3291 trivial. 0 not checked. [2021-11-13 23:26:09,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:09,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 441 states and 1667 transitions. [2021-11-13 23:26:09,101 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1667 transitions. [2021-11-13 23:26:09,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-13 23:26:09,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:09,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 13970 backedges. 3815 proven. 10154 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:15,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 447 states and 1723 transitions. [2021-11-13 23:26:15,167 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1723 transitions. [2021-11-13 23:26:15,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-13 23:26:15,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:15,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 14261 backedges. 7202 proven. 3626 refuted. 0 times theorem prover too weak. 3433 trivial. 0 not checked. [2021-11-13 23:26:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 450 states and 1726 transitions. [2021-11-13 23:26:17,896 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1726 transitions. [2021-11-13 23:26:17,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-13 23:26:17,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:17,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 14555 backedges. 3968 proven. 10586 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:24,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:24,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 456 states and 1783 transitions. [2021-11-13 23:26:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1783 transitions. [2021-11-13 23:26:24,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-13 23:26:24,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:24,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 14852 backedges. 7499 proven. 3775 refuted. 0 times theorem prover too weak. 3578 trivial. 0 not checked. [2021-11-13 23:26:26,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:26,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 459 states and 1786 transitions. [2021-11-13 23:26:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1786 transitions. [2021-11-13 23:26:26,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-13 23:26:26,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:26,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:27,873 INFO L134 CoverageAnalysis]: Checked inductivity of 15152 backedges. 4124 proven. 11027 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:33,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:33,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 465 states and 1844 transitions. [2021-11-13 23:26:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 1844 transitions. [2021-11-13 23:26:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-13 23:26:33,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:33,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 15455 backedges. 7802 proven. 3927 refuted. 0 times theorem prover too weak. 3726 trivial. 0 not checked. [2021-11-13 23:26:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 468 states and 1847 transitions. [2021-11-13 23:26:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1847 transitions. [2021-11-13 23:26:36,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-13 23:26:36,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:36,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 15761 backedges. 4283 proven. 11477 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:42,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:42,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 474 states and 1906 transitions. [2021-11-13 23:26:42,713 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1906 transitions. [2021-11-13 23:26:42,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-13 23:26:42,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:42,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 16070 backedges. 8111 proven. 4082 refuted. 0 times theorem prover too weak. 3877 trivial. 0 not checked. [2021-11-13 23:26:45,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:45,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 477 states and 1909 transitions. [2021-11-13 23:26:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1909 transitions. [2021-11-13 23:26:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-13 23:26:45,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:45,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 16382 backedges. 4445 proven. 11936 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 483 states and 1969 transitions. [2021-11-13 23:26:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1969 transitions. [2021-11-13 23:26:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-13 23:26:52,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:52,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:52,916 INFO L134 CoverageAnalysis]: Checked inductivity of 16697 backedges. 8426 proven. 4240 refuted. 0 times theorem prover too weak. 4031 trivial. 0 not checked. [2021-11-13 23:26:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 486 states and 1972 transitions. [2021-11-13 23:26:55,270 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1972 transitions. [2021-11-13 23:26:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-13 23:26:55,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 17015 backedges. 4610 proven. 12404 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 492 states and 2033 transitions. [2021-11-13 23:27:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 2033 transitions. [2021-11-13 23:27:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-13 23:27:02,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:02,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 17336 backedges. 8747 proven. 4401 refuted. 0 times theorem prover too weak. 4188 trivial. 0 not checked. [2021-11-13 23:27:04,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:04,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 495 states and 2036 transitions. [2021-11-13 23:27:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 2036 transitions. [2021-11-13 23:27:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-13 23:27:04,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 17660 backedges. 4778 proven. 12881 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 501 states and 2098 transitions. [2021-11-13 23:27:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 2098 transitions. [2021-11-13 23:27:11,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-13 23:27:11,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:11,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 17987 backedges. 9074 proven. 4565 refuted. 0 times theorem prover too weak. 4348 trivial. 0 not checked. [2021-11-13 23:27:14,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:14,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 504 states and 2101 transitions. [2021-11-13 23:27:14,860 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 2101 transitions. [2021-11-13 23:27:14,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-13 23:27:14,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:14,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18317 backedges. 4949 proven. 13367 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:22,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:22,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 510 states and 2164 transitions. [2021-11-13 23:27:22,202 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 2164 transitions. [2021-11-13 23:27:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-13 23:27:22,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:22,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 18650 backedges. 9407 proven. 4732 refuted. 0 times theorem prover too weak. 4511 trivial. 0 not checked. [2021-11-13 23:27:25,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 513 states and 2167 transitions. [2021-11-13 23:27:25,141 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 2167 transitions. [2021-11-13 23:27:25,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-13 23:27:25,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:25,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 18986 backedges. 5123 proven. 13862 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:32,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:32,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 519 states and 2231 transitions. [2021-11-13 23:27:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 2231 transitions. [2021-11-13 23:27:32,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-13 23:27:32,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:32,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 19325 backedges. 9746 proven. 4902 refuted. 0 times theorem prover too weak. 4677 trivial. 0 not checked. [2021-11-13 23:27:35,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:35,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 522 states and 2234 transitions. [2021-11-13 23:27:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 2234 transitions. [2021-11-13 23:27:35,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-13 23:27:35,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:35,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 19667 backedges. 5300 proven. 14366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:42,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 528 states and 2299 transitions. [2021-11-13 23:27:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 2299 transitions. [2021-11-13 23:27:42,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-13 23:27:42,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:42,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:43,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20012 backedges. 10091 proven. 5075 refuted. 0 times theorem prover too weak. 4846 trivial. 0 not checked. [2021-11-13 23:27:46,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 531 states and 2302 transitions. [2021-11-13 23:27:46,026 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 2302 transitions. [2021-11-13 23:27:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-13 23:27:46,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:46,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 20360 backedges. 5480 proven. 14879 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:27:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 537 states and 2368 transitions. [2021-11-13 23:27:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 2368 transitions. [2021-11-13 23:27:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-13 23:27:53,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:53,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 20711 backedges. 10442 proven. 5251 refuted. 0 times theorem prover too weak. 5018 trivial. 0 not checked. [2021-11-13 23:27:56,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:56,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 540 states and 2371 transitions. [2021-11-13 23:27:56,526 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 2371 transitions. [2021-11-13 23:27:56,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-13 23:27:56,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:56,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 21065 backedges. 5663 proven. 15401 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:04,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 546 states and 2438 transitions. [2021-11-13 23:28:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 2438 transitions. [2021-11-13 23:28:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-13 23:28:04,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:04,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:04,922 INFO L134 CoverageAnalysis]: Checked inductivity of 21422 backedges. 10799 proven. 5430 refuted. 0 times theorem prover too weak. 5193 trivial. 0 not checked. [2021-11-13 23:28:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 549 states and 2441 transitions. [2021-11-13 23:28:07,359 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 2441 transitions. [2021-11-13 23:28:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-11-13 23:28:07,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:07,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 21782 backedges. 5849 proven. 15932 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 555 states and 2509 transitions. [2021-11-13 23:28:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 2509 transitions. [2021-11-13 23:28:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-11-13 23:28:15,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:15,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 22145 backedges. 11162 proven. 5612 refuted. 0 times theorem prover too weak. 5371 trivial. 0 not checked. [2021-11-13 23:28:18,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:18,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 558 states and 2512 transitions. [2021-11-13 23:28:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 2512 transitions. [2021-11-13 23:28:18,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-11-13 23:28:18,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:18,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:19,696 INFO L134 CoverageAnalysis]: Checked inductivity of 22511 backedges. 6038 proven. 16472 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:26,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 564 states and 2581 transitions. [2021-11-13 23:28:26,515 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 2581 transitions. [2021-11-13 23:28:26,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-11-13 23:28:26,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:26,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 22880 backedges. 11531 proven. 5797 refuted. 0 times theorem prover too weak. 5552 trivial. 0 not checked. [2021-11-13 23:28:29,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 567 states and 2584 transitions. [2021-11-13 23:28:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 2584 transitions. [2021-11-13 23:28:29,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-13 23:28:29,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:29,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 23252 backedges. 6230 proven. 17021 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 573 states and 2654 transitions. [2021-11-13 23:28:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 2654 transitions. [2021-11-13 23:28:37,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-13 23:28:37,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:37,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 23627 backedges. 11906 proven. 5985 refuted. 0 times theorem prover too weak. 5736 trivial. 0 not checked. [2021-11-13 23:28:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 576 states and 2657 transitions. [2021-11-13 23:28:41,222 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 2657 transitions. [2021-11-13 23:28:41,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-13 23:28:41,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:41,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 24005 backedges. 6425 proven. 17579 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:28:49,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 582 states and 2728 transitions. [2021-11-13 23:28:49,769 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 2728 transitions. [2021-11-13 23:28:49,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-11-13 23:28:49,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:49,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 24386 backedges. 12287 proven. 6176 refuted. 0 times theorem prover too weak. 5923 trivial. 0 not checked. [2021-11-13 23:28:53,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 585 states and 2731 transitions. [2021-11-13 23:28:53,176 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 2731 transitions. [2021-11-13 23:28:53,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2021-11-13 23:28:53,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:53,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 24770 backedges. 6623 proven. 18146 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:29:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 591 states and 2803 transitions. [2021-11-13 23:29:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 2803 transitions. [2021-11-13 23:29:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-13 23:29:01,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:01,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 25157 backedges. 12674 proven. 6370 refuted. 0 times theorem prover too weak. 6113 trivial. 0 not checked. [2021-11-13 23:29:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 594 states and 2806 transitions. [2021-11-13 23:29:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 2806 transitions. [2021-11-13 23:29:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-13 23:29:04,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:04,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 25547 backedges. 6824 proven. 18722 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:29:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 600 states and 2879 transitions. [2021-11-13 23:29:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 2879 transitions. [2021-11-13 23:29:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-11-13 23:29:13,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:13,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 25940 backedges. 13067 proven. 6567 refuted. 0 times theorem prover too weak. 6306 trivial. 0 not checked. [2021-11-13 23:29:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 603 states and 2882 transitions. [2021-11-13 23:29:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 2882 transitions. [2021-11-13 23:29:16,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-13 23:29:16,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:16,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 26336 backedges. 7028 proven. 19307 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:29:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:25,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 609 states and 2956 transitions. [2021-11-13 23:29:25,591 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 2956 transitions. [2021-11-13 23:29:25,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-11-13 23:29:25,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:25,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:26,229 INFO L134 CoverageAnalysis]: Checked inductivity of 26735 backedges. 13466 proven. 6767 refuted. 0 times theorem prover too weak. 6502 trivial. 0 not checked. [2021-11-13 23:29:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:29,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 612 states and 2959 transitions. [2021-11-13 23:29:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 2959 transitions. [2021-11-13 23:29:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-11-13 23:29:29,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:29,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 27137 backedges. 7235 proven. 19901 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:29:38,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:38,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 618 states and 3034 transitions. [2021-11-13 23:29:38,525 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 3034 transitions. [2021-11-13 23:29:38,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-11-13 23:29:38,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:38,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 27542 backedges. 13871 proven. 6970 refuted. 0 times theorem prover too weak. 6701 trivial. 0 not checked. [2021-11-13 23:29:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:42,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 621 states and 3037 transitions. [2021-11-13 23:29:42,286 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 3037 transitions. [2021-11-13 23:29:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-11-13 23:29:42,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:42,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:43,593 INFO L134 CoverageAnalysis]: Checked inductivity of 27950 backedges. 7445 proven. 20504 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:29:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 627 states and 3113 transitions. [2021-11-13 23:29:51,636 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 3113 transitions. [2021-11-13 23:29:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-11-13 23:29:51,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:51,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 28361 backedges. 14282 proven. 7176 refuted. 0 times theorem prover too weak. 6903 trivial. 0 not checked. [2021-11-13 23:29:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 630 states and 3116 transitions. [2021-11-13 23:29:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 3116 transitions. [2021-11-13 23:29:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2021-11-13 23:29:55,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:55,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:57,018 INFO L134 CoverageAnalysis]: Checked inductivity of 28775 backedges. 7658 proven. 21116 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:30:04,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:04,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 636 states and 3193 transitions. [2021-11-13 23:30:04,711 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 3193 transitions. [2021-11-13 23:30:04,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-11-13 23:30:04,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:04,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:30:05,383 INFO L134 CoverageAnalysis]: Checked inductivity of 29192 backedges. 14699 proven. 7385 refuted. 0 times theorem prover too weak. 7108 trivial. 0 not checked. [2021-11-13 23:30:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:08,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 639 states and 3196 transitions. [2021-11-13 23:30:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 3196 transitions. [2021-11-13 23:30:08,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-11-13 23:30:08,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:08,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:30:09,813 INFO L134 CoverageAnalysis]: Checked inductivity of 29612 backedges. 7874 proven. 21737 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:30:18,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 645 states and 3274 transitions. [2021-11-13 23:30:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 3274 transitions. [2021-11-13 23:30:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-11-13 23:30:18,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:18,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:30:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 30035 backedges. 15122 proven. 7597 refuted. 0 times theorem prover too weak. 7316 trivial. 0 not checked. [2021-11-13 23:30:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 648 states and 3277 transitions. [2021-11-13 23:30:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 3277 transitions. [2021-11-13 23:30:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-11-13 23:30:22,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:22,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:30:23,421 INFO L134 CoverageAnalysis]: Checked inductivity of 30461 backedges. 8093 proven. 22367 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:30:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:31,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 654 states and 3356 transitions. [2021-11-13 23:30:31,749 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 3356 transitions. [2021-11-13 23:30:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-13 23:30:31,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:31,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:30:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 30890 backedges. 15551 proven. 7812 refuted. 0 times theorem prover too weak. 7527 trivial. 0 not checked. [2021-11-13 23:30:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 657 states and 3359 transitions. [2021-11-13 23:30:35,721 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 3359 transitions. [2021-11-13 23:30:35,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2021-11-13 23:30:35,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:35,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:30:37,109 INFO L134 CoverageAnalysis]: Checked inductivity of 31322 backedges. 8315 proven. 23006 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:30:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:45,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 663 states and 3439 transitions. [2021-11-13 23:30:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 3439 transitions. [2021-11-13 23:30:45,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-11-13 23:30:45,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:45,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:30:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 31757 backedges. 15986 proven. 8030 refuted. 0 times theorem prover too weak. 7741 trivial. 0 not checked. [2021-11-13 23:30:49,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 666 states and 3442 transitions. [2021-11-13 23:30:49,630 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 3442 transitions. [2021-11-13 23:30:49,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-11-13 23:30:49,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:49,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:30:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 32195 backedges. 8540 proven. 23654 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:30:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:30:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 672 states and 3523 transitions. [2021-11-13 23:30:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 3523 transitions. [2021-11-13 23:30:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-11-13 23:30:59,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:30:59,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:30:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 32636 backedges. 16427 proven. 8251 refuted. 0 times theorem prover too weak. 7958 trivial. 0 not checked. [2021-11-13 23:31:03,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 675 states and 3526 transitions. [2021-11-13 23:31:03,482 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 3526 transitions. [2021-11-13 23:31:03,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2021-11-13 23:31:03,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:03,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 33080 backedges. 8768 proven. 24311 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:31:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3608 states to 681 states and 3608 transitions. [2021-11-13 23:31:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 3608 transitions. [2021-11-13 23:31:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-11-13 23:31:13,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:13,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:14,111 INFO L134 CoverageAnalysis]: Checked inductivity of 33527 backedges. 16874 proven. 8475 refuted. 0 times theorem prover too weak. 8178 trivial. 0 not checked. [2021-11-13 23:31:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 684 states and 3611 transitions. [2021-11-13 23:31:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 3611 transitions. [2021-11-13 23:31:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-13 23:31:17,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:17,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 33977 backedges. 8999 proven. 24977 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:31:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 690 states and 3694 transitions. [2021-11-13 23:31:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 3694 transitions. [2021-11-13 23:31:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2021-11-13 23:31:27,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:27,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 34430 backedges. 17327 proven. 8702 refuted. 0 times theorem prover too weak. 8401 trivial. 0 not checked. [2021-11-13 23:31:31,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 693 states and 3697 transitions. [2021-11-13 23:31:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 3697 transitions. [2021-11-13 23:31:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-11-13 23:31:31,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:31,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 34886 backedges. 9233 proven. 25652 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:31:41,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:41,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 699 states and 3781 transitions. [2021-11-13 23:31:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 3781 transitions. [2021-11-13 23:31:41,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-13 23:31:41,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:41,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 35345 backedges. 17786 proven. 8932 refuted. 0 times theorem prover too weak. 8627 trivial. 0 not checked. [2021-11-13 23:31:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 702 states and 3784 transitions. [2021-11-13 23:31:46,099 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 3784 transitions. [2021-11-13 23:31:46,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-13 23:31:46,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:46,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 35807 backedges. 9470 proven. 26336 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:31:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:31:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3869 states to 708 states and 3869 transitions. [2021-11-13 23:31:56,258 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 3869 transitions. [2021-11-13 23:31:56,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-11-13 23:31:56,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:31:56,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:31:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:31:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 36272 backedges. 18251 proven. 9165 refuted. 0 times theorem prover too weak. 8856 trivial. 0 not checked. [2021-11-13 23:32:00,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:00,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 711 states and 3872 transitions. [2021-11-13 23:32:00,603 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 3872 transitions. [2021-11-13 23:32:00,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-11-13 23:32:00,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:00,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 36740 backedges. 9710 proven. 27029 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:32:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 717 states and 3958 transitions. [2021-11-13 23:32:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 3958 transitions. [2021-11-13 23:32:10,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2021-11-13 23:32:10,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:10,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 37211 backedges. 18722 proven. 9401 refuted. 0 times theorem prover too weak. 9088 trivial. 0 not checked. [2021-11-13 23:32:15,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:15,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3961 states to 720 states and 3961 transitions. [2021-11-13 23:32:15,210 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 3961 transitions. [2021-11-13 23:32:15,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-11-13 23:32:15,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:15,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 37685 backedges. 9953 proven. 27731 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:32:25,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4048 states to 726 states and 4048 transitions. [2021-11-13 23:32:25,691 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 4048 transitions. [2021-11-13 23:32:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-11-13 23:32:25,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:25,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:26,469 INFO L134 CoverageAnalysis]: Checked inductivity of 38162 backedges. 19199 proven. 9640 refuted. 0 times theorem prover too weak. 9323 trivial. 0 not checked. [2021-11-13 23:32:29,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:29,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 729 states and 4051 transitions. [2021-11-13 23:32:29,963 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 4051 transitions. [2021-11-13 23:32:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-11-13 23:32:29,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:29,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 38642 backedges. 10199 proven. 28442 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:32:41,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:41,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4139 states to 735 states and 4139 transitions. [2021-11-13 23:32:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 4139 transitions. [2021-11-13 23:32:41,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2021-11-13 23:32:41,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:41,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:41,943 INFO L134 CoverageAnalysis]: Checked inductivity of 39125 backedges. 19682 proven. 9882 refuted. 0 times theorem prover too weak. 9561 trivial. 0 not checked. [2021-11-13 23:32:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 738 states and 4142 transitions. [2021-11-13 23:32:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 4142 transitions. [2021-11-13 23:32:45,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2021-11-13 23:32:45,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:45,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 39611 backedges. 10448 proven. 29162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:32:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:32:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 744 states and 4231 transitions. [2021-11-13 23:32:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 4231 transitions. [2021-11-13 23:32:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2021-11-13 23:32:57,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:32:57,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:32:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:32:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 40100 backedges. 20171 proven. 10127 refuted. 0 times theorem prover too weak. 9802 trivial. 0 not checked. [2021-11-13 23:33:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:01,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 747 states and 4234 transitions. [2021-11-13 23:33:01,793 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 4234 transitions. [2021-11-13 23:33:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-13 23:33:01,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:01,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:03,617 INFO L134 CoverageAnalysis]: Checked inductivity of 40592 backedges. 10700 proven. 29891 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:33:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:13,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4324 states to 753 states and 4324 transitions. [2021-11-13 23:33:13,295 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 4324 transitions. [2021-11-13 23:33:13,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2021-11-13 23:33:13,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:13,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 41087 backedges. 20666 proven. 10375 refuted. 0 times theorem prover too weak. 10046 trivial. 0 not checked. [2021-11-13 23:33:18,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 756 states and 4327 transitions. [2021-11-13 23:33:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 4327 transitions. [2021-11-13 23:33:18,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-11-13 23:33:18,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:18,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:19,854 INFO L134 CoverageAnalysis]: Checked inductivity of 41585 backedges. 10955 proven. 30629 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.