./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/rec_counter3.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_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/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_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/rec_counter3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/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_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/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 d7b4f33979632a981e739ff06b52fe01aa9fb175d5e5193b145052887f22f8a3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:04:58,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:04:58,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:04:59,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:04:59,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:04:59,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:04:59,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:04:59,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:04:59,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:04:59,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:04:59,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:04:59,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:04:59,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:04:59,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:04:59,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:04:59,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:04:59,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:04:59,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:04:59,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:04:59,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:04:59,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:04:59,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:04:59,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:04:59,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:04:59,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:04:59,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:04:59,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:04:59,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:04:59,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:04:59,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:04:59,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:04:59,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:04:59,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:04:59,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:04:59,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:04:59,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:04:59,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:04:59,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:04:59,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:04:59,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:04:59,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:04:59,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 21:04:59,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:04:59,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:04:59,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:04:59,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:04:59,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:04:59,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:04:59,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:04:59,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:04:59,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:04:59,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:04:59,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:04:59,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:04:59,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:04:59,160 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 21:04:59,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:04:59,160 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:04:59,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:04:59,161 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:04:59,161 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:04:59,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:04:59,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:59,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:04:59,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:04:59,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:04:59,163 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:04:59,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:04:59,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:04:59,163 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_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7b4f33979632a981e739ff06b52fe01aa9fb175d5e5193b145052887f22f8a3 [2021-11-13 21:04:59,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:04:59,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:04:59,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:04:59,523 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:04:59,524 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:04:59,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-numeric/rec_counter3.c [2021-11-13 21:04:59,604 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e/data/f4bf415db/0bd25ccd93fd44e6a385bcf59c09aa15/FLAG601e902b2 [2021-11-13 21:05:00,149 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:05:00,151 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/sv-benchmarks/c/termination-numeric/rec_counter3.c [2021-11-13 21:05:00,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e/data/f4bf415db/0bd25ccd93fd44e6a385bcf59c09aa15/FLAG601e902b2 [2021-11-13 21:05:00,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e/data/f4bf415db/0bd25ccd93fd44e6a385bcf59c09aa15 [2021-11-13 21:05:00,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:05:00,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:05:00,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:00,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:05:00,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:05:00,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5080dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00, skipping insertion in model container [2021-11-13 21:05:00,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:05:00,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:05:00,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:05:00,738 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:05:00,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:05:00,766 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:05:00,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00 WrapperNode [2021-11-13 21:05:00,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:00,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:05:00,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:05:00,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:05:00,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:05:00,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:05:00,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:05:00,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:05:00,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:05:00,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:05:00,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:05:00,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:05:00,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:00" (1/1) ... [2021-11-13 21:05:00,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:05:00,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:05:00,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:05:00,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa9e57f8-b0d1-4beb-8e02-ad755a13f86f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:05:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-11-13 21:05:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-11-13 21:05:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:05:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:05:01,192 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:05:01,192 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 21:05:01,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:01 BoogieIcfgContainer [2021-11-13 21:05:01,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:05:01,196 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:05:01,196 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:05:01,207 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:05:01,208 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:01" (1/1) ... [2021-11-13 21:05:01,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:05:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2021-11-13 21:05:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-11-13 21:05:01,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:05:01,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:01,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:01,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 34 transitions. [2021-11-13 21:05:01,610 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-11-13 21:05:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:05:01,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:01,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:01,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:01,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 39 transitions. [2021-11-13 21:05:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2021-11-13 21:05:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:05:01,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:01,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 34 transitions. [2021-11-13 21:05:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-11-13 21:05:02,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:05:02,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 30 transitions. [2021-11-13 21:05:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-11-13 21:05:02,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:05:02,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:05:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 36 transitions. [2021-11-13 21:05:02,463 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-11-13 21:05:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:05:02,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:05:02,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:02,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 40 transitions. [2021-11-13 21:05:02,733 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2021-11-13 21:05:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:05:02,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:02,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:02,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 21:05:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 45 transitions. [2021-11-13 21:05:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2021-11-13 21:05:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 21:05:03,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:03,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 21:05:03,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:03,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 53 transitions. [2021-11-13 21:05:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2021-11-13 21:05:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:05:03,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:03,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 21:05:03,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:03,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 52 transitions. [2021-11-13 21:05:03,901 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2021-11-13 21:05:03,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:03,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:03,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:05:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 60 transitions. [2021-11-13 21:05:04,746 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2021-11-13 21:05:04,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:05:04,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 21:05:04,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:04,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 60 transitions. [2021-11-13 21:05:04,895 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2021-11-13 21:05:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 21:05:04,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:04,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 21:05:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 63 transitions. [2021-11-13 21:05:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2021-11-13 21:05:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 21:05:05,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:05,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 21:05:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:05,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 62 transitions. [2021-11-13 21:05:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2021-11-13 21:05:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 21:05:05,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:05,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:05,768 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 21:05:06,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 72 transitions. [2021-11-13 21:05:06,344 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2021-11-13 21:05:06,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 21:05:06,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 21:05:06,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 56 states and 72 transitions. [2021-11-13 21:05:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2021-11-13 21:05:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 21:05:06,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,648 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 21:05:06,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:06,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 72 transitions. [2021-11-13 21:05:06,857 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-11-13 21:05:06,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 21:05:06,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:06,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:06,971 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 21:05:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 62 states and 80 transitions. [2021-11-13 21:05:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2021-11-13 21:05:07,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 21:05:07,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:07,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:07,956 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-13 21:05:08,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:08,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 81 transitions. [2021-11-13 21:05:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-11-13 21:05:08,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:05:08,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:08,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-13 21:05:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 84 transitions. [2021-11-13 21:05:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2021-11-13 21:05:09,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 21:05:09,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:09,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 21:05:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 94 transitions. [2021-11-13 21:05:11,158 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2021-11-13 21:05:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 21:05:11,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:11,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:11,480 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-13 21:05:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 104 transitions. [2021-11-13 21:05:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2021-11-13 21:05:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 21:05:12,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:12,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-13 21:05:12,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 104 transitions. [2021-11-13 21:05:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 104 transitions. [2021-11-13 21:05:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 21:05:12,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:12,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:12,550 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-13 21:05:12,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 85 states and 104 transitions. [2021-11-13 21:05:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2021-11-13 21:05:12,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 21:05:12,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:12,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-13 21:05:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 93 states and 115 transitions. [2021-11-13 21:05:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 115 transitions. [2021-11-13 21:05:14,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 21:05:14,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:14,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-13 21:05:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 95 states and 116 transitions. [2021-11-13 21:05:15,147 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2021-11-13 21:05:15,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 21:05:15,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-13 21:05:15,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:15,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 98 states and 119 transitions. [2021-11-13 21:05:15,877 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 119 transitions. [2021-11-13 21:05:15,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 21:05:15,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:15,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 71 proven. 35 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-13 21:05:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 101 states and 120 transitions. [2021-11-13 21:05:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2021-11-13 21:05:16,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 21:05:16,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:16,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 21:05:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 107 states and 130 transitions. [2021-11-13 21:05:18,078 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2021-11-13 21:05:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 21:05:18,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:18,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:18,133 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 2 proven. 137 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-13 21:05:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 108 states and 130 transitions. [2021-11-13 21:05:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2021-11-13 21:05:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 21:05:18,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:18,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 2 proven. 137 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-13 21:05:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 109 states and 130 transitions. [2021-11-13 21:05:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2021-11-13 21:05:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 21:05:18,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:18,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:19,073 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 179 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-13 21:05:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 120 states and 144 transitions. [2021-11-13 21:05:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 144 transitions. [2021-11-13 21:05:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 21:05:21,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:21,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-13 21:05:22,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 145 transitions. [2021-11-13 21:05:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 145 transitions. [2021-11-13 21:05:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 21:05:22,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:22,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-11-13 21:05:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 125 states and 148 transitions. [2021-11-13 21:05:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 148 transitions. [2021-11-13 21:05:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-13 21:05:23,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:23,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 145 proven. 88 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-13 21:05:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:25,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 129 states and 151 transitions. [2021-11-13 21:05:25,303 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2021-11-13 21:05:25,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 21:05:25,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:25,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-13 21:05:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:27,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 135 states and 161 transitions. [2021-11-13 21:05:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 161 transitions. [2021-11-13 21:05:27,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-13 21:05:27,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:27,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 2 proven. 280 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-13 21:05:27,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:27,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 136 states and 161 transitions. [2021-11-13 21:05:27,663 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2021-11-13 21:05:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-13 21:05:27,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:27,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 2 proven. 280 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-13 21:05:28,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 137 states and 161 transitions. [2021-11-13 21:05:28,085 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2021-11-13 21:05:28,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-13 21:05:28,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:28,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-13 21:05:31,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 151 states and 178 transitions. [2021-11-13 21:05:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2021-11-13 21:05:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 21:05:31,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:31,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 0 proven. 415 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-13 21:05:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:32,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 153 states and 179 transitions. [2021-11-13 21:05:32,824 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 179 transitions. [2021-11-13 21:05:32,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 21:05:32,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:32,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:32,851 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-13 21:05:33,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 156 states and 182 transitions. [2021-11-13 21:05:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 182 transitions. [2021-11-13 21:05:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-13 21:05:33,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:33,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 282 proven. 177 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-13 21:05:36,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 160 states and 185 transitions. [2021-11-13 21:05:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 185 transitions. [2021-11-13 21:05:36,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 21:05:36,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:36,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-13 21:05:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:38,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 166 states and 195 transitions. [2021-11-13 21:05:38,597 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 195 transitions. [2021-11-13 21:05:38,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-13 21:05:38,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:38,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 2 proven. 525 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-13 21:05:39,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 167 states and 195 transitions. [2021-11-13 21:05:39,143 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 195 transitions. [2021-11-13 21:05:39,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-13 21:05:39,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:39,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 2 proven. 525 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-11-13 21:05:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:39,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 168 states and 195 transitions. [2021-11-13 21:05:39,706 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 195 transitions. [2021-11-13 21:05:39,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-13 21:05:39,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:39,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:40,009 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 0 proven. 720 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2021-11-13 21:05:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 185 states and 215 transitions. [2021-11-13 21:05:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 215 transitions. [2021-11-13 21:05:45,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-13 21:05:45,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:45,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 771 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-11-13 21:05:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 187 states and 216 transitions. [2021-11-13 21:05:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 216 transitions. [2021-11-13 21:05:46,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:05:46,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:46,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2021-11-13 21:05:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 190 states and 219 transitions. [2021-11-13 21:05:47,289 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 219 transitions. [2021-11-13 21:05:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-13 21:05:47,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:47,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 518 proven. 311 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-13 21:05:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 194 states and 222 transitions. [2021-11-13 21:05:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 222 transitions. [2021-11-13 21:05:50,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-13 21:05:50,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:50,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:51,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 847 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-11-13 21:05:53,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 200 states and 232 transitions. [2021-11-13 21:05:53,033 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 232 transitions. [2021-11-13 21:05:53,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-13 21:05:53,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:53,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 2 proven. 917 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-11-13 21:05:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 201 states and 232 transitions. [2021-11-13 21:05:53,813 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 232 transitions. [2021-11-13 21:05:53,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-13 21:05:53,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:53,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 2 proven. 917 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-11-13 21:05:54,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:54,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 202 states and 232 transitions. [2021-11-13 21:05:54,366 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 232 transitions. [2021-11-13 21:05:54,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-13 21:05:54,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:54,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:54,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 0 proven. 1253 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-11-13 21:06:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:01,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 222 states and 255 transitions. [2021-11-13 21:06:01,728 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 255 transitions. [2021-11-13 21:06:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-13 21:06:01,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:01,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 0 proven. 1323 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2021-11-13 21:06:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 224 states and 256 transitions. [2021-11-13 21:06:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2021-11-13 21:06:03,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-13 21:06:03,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:03,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 1150 trivial. 0 not checked. [2021-11-13 21:06:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 227 states and 259 transitions. [2021-11-13 21:06:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2021-11-13 21:06:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-13 21:06:04,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:04,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 898 proven. 499 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-11-13 21:06:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 231 states and 262 transitions. [2021-11-13 21:06:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 262 transitions. [2021-11-13 21:06:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-13 21:06:08,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:08,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:09,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 0 proven. 1418 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-13 21:06:11,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 237 states and 272 transitions. [2021-11-13 21:06:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 272 transitions. [2021-11-13 21:06:11,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-13 21:06:11,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:11,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1906 backedges. 2 proven. 1510 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-11-13 21:06:12,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 238 states and 272 transitions. [2021-11-13 21:06:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 272 transitions. [2021-11-13 21:06:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-13 21:06:12,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:12,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 2 proven. 1510 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-13 21:06:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 239 states and 272 transitions. [2021-11-13 21:06:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 272 transitions. [2021-11-13 21:06:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-13 21:06:12,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:12,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2553 backedges. 0 proven. 2042 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2021-11-13 21:06:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 262 states and 298 transitions. [2021-11-13 21:06:22,644 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 298 transitions. [2021-11-13 21:06:22,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-13 21:06:22,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:22,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2667 backedges. 0 proven. 2134 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-13 21:06:23,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:23,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 264 states and 299 transitions. [2021-11-13 21:06:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 299 transitions. [2021-11-13 21:06:23,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-13 21:06:23,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:23,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 788 proven. 0 refuted. 0 times theorem prover too weak. 1840 trivial. 0 not checked. [2021-11-13 21:06:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 267 states and 302 transitions. [2021-11-13 21:06:25,471 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 302 transitions. [2021-11-13 21:06:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-13 21:06:25,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:25,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2667 backedges. 1476 proven. 750 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-13 21:06:30,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:30,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 271 states and 305 transitions. [2021-11-13 21:06:30,606 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 305 transitions. [2021-11-13 21:06:30,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-13 21:06:30,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:30,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2783 backedges. 0 proven. 2250 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-13 21:06:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:34,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 277 states and 315 transitions. [2021-11-13 21:06:34,100 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 315 transitions. [2021-11-13 21:06:34,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-13 21:06:34,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:34,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2902 backedges. 2 proven. 2367 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-13 21:06:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:35,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 278 states and 315 transitions. [2021-11-13 21:06:35,235 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 315 transitions. [2021-11-13 21:06:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-13 21:06:35,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:35,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 2 proven. 2367 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2021-11-13 21:06:36,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 279 states and 315 transitions. [2021-11-13 21:06:36,103 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 315 transitions. [2021-11-13 21:06:36,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-13 21:06:36,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:36,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 0 proven. 3159 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2021-11-13 21:06:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 305 states and 344 transitions. [2021-11-13 21:06:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 344 transitions. [2021-11-13 21:06:48,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-13 21:06:48,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:48,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3978 backedges. 0 proven. 3276 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2021-11-13 21:06:49,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:49,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 307 states and 345 transitions. [2021-11-13 21:06:49,688 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 345 transitions. [2021-11-13 21:06:49,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-13 21:06:49,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:49,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3935 backedges. 1116 proven. 0 refuted. 0 times theorem prover too weak. 2819 trivial. 0 not checked. [2021-11-13 21:06:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:51,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 310 states and 348 transitions. [2021-11-13 21:06:51,615 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 348 transitions. [2021-11-13 21:06:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-13 21:06:51,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:51,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3973 backedges. 2315 proven. 1073 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2021-11-13 21:06:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 314 states and 351 transitions. [2021-11-13 21:06:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 351 transitions. [2021-11-13 21:06:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-13 21:06:58,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:58,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4174 backedges. 0 proven. 3415 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2021-11-13 21:07:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 320 states and 361 transitions. [2021-11-13 21:07:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 361 transitions. [2021-11-13 21:07:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-13 21:07:02,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:02,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4321 backedges. 2 proven. 3560 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2021-11-13 21:07:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 321 states and 361 transitions. [2021-11-13 21:07:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 361 transitions. [2021-11-13 21:07:03,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-13 21:07:03,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:03,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4321 backedges. 2 proven. 3560 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2021-11-13 21:07:04,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 322 states and 361 transitions. [2021-11-13 21:07:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 361 transitions. [2021-11-13 21:07:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-13 21:07:04,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:04,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5504 backedges. 0 proven. 4685 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-13 21:07:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:19,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 351 states and 393 transitions. [2021-11-13 21:07:19,916 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 393 transitions. [2021-11-13 21:07:19,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-13 21:07:19,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:19,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5677 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2021-11-13 21:07:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 353 states and 394 transitions. [2021-11-13 21:07:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 394 transitions. [2021-11-13 21:07:21,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-13 21:07:21,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:21,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5744 backedges. 1525 proven. 0 refuted. 0 times theorem prover too weak. 4219 trivial. 0 not checked. [2021-11-13 21:07:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 356 states and 397 transitions. [2021-11-13 21:07:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 397 transitions. [2021-11-13 21:07:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-13 21:07:23,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:23,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5723 backedges. 3487 proven. 1477 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2021-11-13 21:07:31,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 360 states and 400 transitions. [2021-11-13 21:07:31,496 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 400 transitions. [2021-11-13 21:07:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-13 21:07:31,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:31,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5960 backedges. 0 proven. 4994 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2021-11-13 21:07:36,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 366 states and 410 transitions. [2021-11-13 21:07:36,496 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 410 transitions. [2021-11-13 21:07:36,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-13 21:07:36,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:36,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6138 backedges. 2 proven. 5170 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2021-11-13 21:07:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:37,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 367 states and 410 transitions. [2021-11-13 21:07:37,617 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 410 transitions. [2021-11-13 21:07:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-13 21:07:37,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:37,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:37,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6076 backedges. 2 proven. 5170 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2021-11-13 21:07:38,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:38,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 368 states and 410 transitions. [2021-11-13 21:07:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 410 transitions. [2021-11-13 21:07:38,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-13 21:07:38,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:38,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:39,167 INFO L134 CoverageAnalysis]: Checked inductivity of 7821 backedges. 0 proven. 6710 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2021-11-13 21:07:57,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:57,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 400 states and 445 transitions. [2021-11-13 21:07:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 445 transitions. [2021-11-13 21:07:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-13 21:07:57,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:57,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 8028 backedges. 0 proven. 6886 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2021-11-13 21:08:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 402 states and 446 transitions. [2021-11-13 21:08:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 446 transitions. [2021-11-13 21:08:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-13 21:08:00,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:00,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7977 backedges. 2024 proven. 0 refuted. 0 times theorem prover too weak. 5953 trivial. 0 not checked. [2021-11-13 21:08:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 405 states and 449 transitions. [2021-11-13 21:08:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 449 transitions. [2021-11-13 21:08:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-13 21:08:02,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:02,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 5073 proven. 1971 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2021-11-13 21:08:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 409 states and 452 transitions. [2021-11-13 21:08:11,959 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 452 transitions. [2021-11-13 21:08:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-13 21:08:11,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:11,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 8286 backedges. 0 proven. 7077 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2021-11-13 21:08:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 415 states and 462 transitions. [2021-11-13 21:08:17,561 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 462 transitions. [2021-11-13 21:08:17,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-13 21:08:17,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:17,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 8431 backedges. 2 proven. 7287 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2021-11-13 21:08:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 416 states and 462 transitions. [2021-11-13 21:08:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 462 transitions. [2021-11-13 21:08:18,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-13 21:08:18,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:18,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8431 backedges. 2 proven. 7287 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2021-11-13 21:08:19,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 417 states and 462 transitions. [2021-11-13 21:08:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 462 transitions. [2021-11-13 21:08:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-11-13 21:08:20,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:20,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 10651 backedges. 0 proven. 9333 refuted. 0 times theorem prover too weak. 1318 trivial. 0 not checked. [2021-11-13 21:08:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:43,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 452 states and 500 transitions. [2021-11-13 21:08:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 500 transitions. [2021-11-13 21:08:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-11-13 21:08:43,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:43,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10895 backedges. 0 proven. 9543 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2021-11-13 21:08:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:46,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 454 states and 501 transitions. [2021-11-13 21:08:46,179 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 501 transitions. [2021-11-13 21:08:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-11-13 21:08:46,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:46,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 10907 backedges. 2622 proven. 0 refuted. 0 times theorem prover too weak. 8285 trivial. 0 not checked. [2021-11-13 21:08:48,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:48,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 457 states and 504 transitions. [2021-11-13 21:08:48,964 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 504 transitions. [2021-11-13 21:08:48,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-11-13 21:08:48,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:48,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 11008 backedges. 7163 proven. 2564 refuted. 0 times theorem prover too weak. 1281 trivial. 0 not checked. [2021-11-13 21:09:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 461 states and 507 transitions. [2021-11-13 21:09:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 507 transitions. [2021-11-13 21:09:00,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-11-13 21:09:00,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:00,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 11254 backedges. 0 proven. 9763 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2021-11-13 21:09:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 467 states and 517 transitions. [2021-11-13 21:09:07,333 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 517 transitions. [2021-11-13 21:09:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-13 21:09:07,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:07,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:07,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11431 backedges. 2 proven. 10010 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2021-11-13 21:09:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 468 states and 517 transitions. [2021-11-13 21:09:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 517 transitions. [2021-11-13 21:09:09,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-11-13 21:09:09,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:09,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 11503 backedges. 2 proven. 10010 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2021-11-13 21:09:10,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:10,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 469 states and 517 transitions. [2021-11-13 21:09:10,219 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 517 transitions. [2021-11-13 21:09:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-11-13 21:09:10,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:10,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:10,779 INFO L134 CoverageAnalysis]: Checked inductivity of 14291 backedges. 0 proven. 12662 refuted. 0 times theorem prover too weak. 1629 trivial. 0 not checked. [2021-11-13 21:09:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 507 states and 558 transitions. [2021-11-13 21:09:39,413 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 558 transitions. [2021-11-13 21:09:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2021-11-13 21:09:39,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:39,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 14647 backedges. 0 proven. 12909 refuted. 0 times theorem prover too weak. 1738 trivial. 0 not checked. [2021-11-13 21:09:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:42,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 509 states and 559 transitions. [2021-11-13 21:09:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 559 transitions. [2021-11-13 21:09:42,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2021-11-13 21:09:42,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:42,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 14588 backedges. 3328 proven. 0 refuted. 0 times theorem prover too weak. 11260 trivial. 0 not checked. [2021-11-13 21:09:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 512 states and 562 transitions. [2021-11-13 21:09:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 562 transitions. [2021-11-13 21:09:45,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2021-11-13 21:09:45,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:45,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:56,017 INFO L134 CoverageAnalysis]: Checked inductivity of 14689 backedges. 9856 proven. 3265 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2021-11-13 21:09:59,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 516 states and 565 transitions. [2021-11-13 21:09:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 565 transitions. [2021-11-13 21:09:59,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-11-13 21:09:59,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:59,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 14898 backedges. 0 proven. 13160 refuted. 0 times theorem prover too weak. 1738 trivial. 0 not checked. [2021-11-13 21:10:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:07,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 522 states and 575 transitions. [2021-11-13 21:10:07,106 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 575 transitions. [2021-11-13 21:10:07,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-11-13 21:10:07,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:07,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 15264 backedges. 2 proven. 13447 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-11-13 21:10:08,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:08,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 523 states and 575 transitions. [2021-11-13 21:10:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 575 transitions. [2021-11-13 21:10:08,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-11-13 21:10:08,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:08,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 15264 backedges. 2 proven. 13447 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-11-13 21:10:10,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 524 states and 575 transitions. [2021-11-13 21:10:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 575 transitions. [2021-11-13 21:10:10,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-11-13 21:10:10,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:10,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 18799 backedges. 0 proven. 16814 refuted. 0 times theorem prover too weak. 1985 trivial. 0 not checked. [2021-11-13 21:10:44,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 565 states and 619 transitions. [2021-11-13 21:10:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 619 transitions. [2021-11-13 21:10:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2021-11-13 21:10:44,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:44,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 19203 backedges. 0 proven. 17101 refuted. 0 times theorem prover too weak. 2102 trivial. 0 not checked. [2021-11-13 21:10:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 567 states and 620 transitions. [2021-11-13 21:10:47,656 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 620 transitions. [2021-11-13 21:10:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-11-13 21:10:47,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:47,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 19140 backedges. 4151 proven. 0 refuted. 0 times theorem prover too weak. 14989 trivial. 0 not checked. [2021-11-13 21:10:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 570 states and 623 transitions. [2021-11-13 21:10:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 623 transitions. [2021-11-13 21:10:50,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2021-11-13 21:10:50,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:50,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:04,024 INFO L134 CoverageAnalysis]: Checked inductivity of 19240 backedges. 13260 proven. 4083 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2021-11-13 21:11:08,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:08,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 574 states and 626 transitions. [2021-11-13 21:11:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 626 transitions. [2021-11-13 21:11:08,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-11-13 21:11:08,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:08,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 19487 backedges. 0 proven. 17385 refuted. 0 times theorem prover too weak. 2102 trivial. 0 not checked. [2021-11-13 21:11:16,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 580 states and 636 transitions. [2021-11-13 21:11:16,495 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 636 transitions. [2021-11-13 21:11:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-11-13 21:11:16,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:16,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 19819 backedges. 2 proven. 17715 refuted. 0 times theorem prover too weak. 2102 trivial. 0 not checked. [2021-11-13 21:11:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 581 states and 636 transitions. [2021-11-13 21:11:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 636 transitions. [2021-11-13 21:11:18,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2021-11-13 21:11:18,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:18,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 19901 backedges. 2 proven. 17715 refuted. 0 times theorem prover too weak. 2184 trivial. 0 not checked. [2021-11-13 21:11:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 582 states and 636 transitions. [2021-11-13 21:11:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 636 transitions. [2021-11-13 21:11:20,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-11-13 21:11:20,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:20,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:20,775 INFO L134 CoverageAnalysis]: Checked inductivity of 24304 backedges. 0 proven. 21915 refuted. 0 times theorem prover too weak. 2389 trivial. 0 not checked. [2021-11-13 21:12:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 626 states and 683 transitions. [2021-11-13 21:12:01,444 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 683 transitions. [2021-11-13 21:12:01,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2021-11-13 21:12:01,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:01,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:01,840 INFO L134 CoverageAnalysis]: Checked inductivity of 24677 backedges. 0 proven. 22245 refuted. 0 times theorem prover too weak. 2432 trivial. 0 not checked. [2021-11-13 21:12:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 628 states and 684 transitions. [2021-11-13 21:12:04,718 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 684 transitions. [2021-11-13 21:12:04,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2021-11-13 21:12:04,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:04,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 24692 backedges. 5100 proven. 0 refuted. 0 times theorem prover too weak. 19592 trivial. 0 not checked. [2021-11-13 21:12:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:08,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 631 states and 687 transitions. [2021-11-13 21:12:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 687 transitions. [2021-11-13 21:12:08,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-11-13 21:12:08,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:08,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 24703 backedges. 17492 proven. 5027 refuted. 0 times theorem prover too weak. 2184 trivial. 0 not checked. [2021-11-13 21:12:28,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:28,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 635 states and 690 transitions. [2021-11-13 21:12:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 690 transitions. [2021-11-13 21:12:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-11-13 21:12:28,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:28,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 25078 backedges. 0 proven. 22564 refuted. 0 times theorem prover too weak. 2514 trivial. 0 not checked. [2021-11-13 21:12:38,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:38,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 641 states and 700 transitions. [2021-11-13 21:12:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 700 transitions. [2021-11-13 21:12:38,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-11-13 21:12:38,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:38,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 25456 backedges. 2 proven. 22940 refuted. 0 times theorem prover too weak. 2514 trivial. 0 not checked. [2021-11-13 21:12:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 642 states and 700 transitions. [2021-11-13 21:12:40,564 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 700 transitions. [2021-11-13 21:12:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2021-11-13 21:12:40,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:40,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:40,787 INFO L134 CoverageAnalysis]: Checked inductivity of 25543 backedges. 2 proven. 22940 refuted. 0 times theorem prover too weak. 2601 trivial. 0 not checked. [2021-11-13 21:12:42,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 643 states and 700 transitions. [2021-11-13 21:12:42,430 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 700 transitions. [2021-11-13 21:12:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2021-11-13 21:12:42,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:42,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 30944 backedges. 0 proven. 28100 refuted. 0 times theorem prover too weak. 2844 trivial. 0 not checked. [2021-11-13 21:13:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:32,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 690 states and 750 transitions. [2021-11-13 21:13:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 750 transitions. [2021-11-13 21:13:32,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-11-13 21:13:32,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:32,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 31366 backedges. 0 proven. 28476 refuted. 0 times theorem prover too weak. 2890 trivial. 0 not checked. [2021-11-13 21:13:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 692 states and 751 transitions. [2021-11-13 21:13:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 751 transitions. [2021-11-13 21:13:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2021-11-13 21:13:35,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:35,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 31382 backedges. 6184 proven. 0 refuted. 0 times theorem prover too weak. 25198 trivial. 0 not checked. [2021-11-13 21:13:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:39,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 695 states and 754 transitions. [2021-11-13 21:13:39,885 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 754 transitions. [2021-11-13 21:13:39,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2021-11-13 21:13:39,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:39,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 31385 backedges. 22678 proven. 6106 refuted. 0 times theorem prover too weak. 2601 trivial. 0 not checked. [2021-11-13 21:14:04,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:04,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 699 states and 757 transitions. [2021-11-13 21:14:04,599 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 757 transitions. [2021-11-13 21:14:04,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2021-11-13 21:14:04,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:04,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 31901 backedges. 0 proven. 28832 refuted. 0 times theorem prover too weak. 3069 trivial. 0 not checked. [2021-11-13 21:14:15,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:15,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 705 states and 767 transitions. [2021-11-13 21:14:15,344 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 767 transitions. [2021-11-13 21:14:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2021-11-13 21:14:15,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:15,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:15,579 INFO L134 CoverageAnalysis]: Checked inductivity of 32328 backedges. 2 proven. 29257 refuted. 0 times theorem prover too weak. 3069 trivial. 0 not checked. [2021-11-13 21:14:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 706 states and 767 transitions. [2021-11-13 21:14:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 767 transitions. [2021-11-13 21:14:17,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2021-11-13 21:14:17,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:17,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 32236 backedges. 2 proven. 29257 refuted. 0 times theorem prover too weak. 2977 trivial. 0 not checked. [2021-11-13 21:14:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:19,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 707 states and 767 transitions. [2021-11-13 21:14:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 767 transitions. [2021-11-13 21:14:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2021-11-13 21:14:19,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:19,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 38866 backedges. 0 proven. 35513 refuted. 0 times theorem prover too weak. 3353 trivial. 0 not checked. [2021-11-13 21:15:18,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 757 states and 820 transitions. [2021-11-13 21:15:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 820 transitions. [2021-11-13 21:15:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2021-11-13 21:15:18,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:18,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 39340 backedges. 0 proven. 35938 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2021-11-13 21:15:22,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:22,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 759 states and 821 transitions. [2021-11-13 21:15:22,401 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 821 transitions. [2021-11-13 21:15:22,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2021-11-13 21:15:22,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:22,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 39357 backedges. 7412 proven. 0 refuted. 0 times theorem prover too weak. 31945 trivial. 0 not checked. [2021-11-13 21:15:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 762 states and 824 transitions. [2021-11-13 21:15:26,956 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 824 transitions. [2021-11-13 21:15:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2021-11-13 21:15:26,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:26,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat