./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_15-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06a81e8bf3973396767cf6326af5dc9a5105a737c418064bf310f9765cc117f7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:59:08,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:59:08,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:59:08,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:59:08,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:59:08,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:59:08,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:59:08,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:59:08,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:59:08,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:59:08,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:59:08,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:59:08,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:59:08,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:59:08,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:59:08,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:59:08,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:59:08,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:59:08,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:59:08,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:59:08,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:59:08,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:59:08,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:59:08,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:59:08,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:59:08,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:59:08,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:59:08,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:59:08,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:59:08,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:59:08,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:59:08,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:59:08,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:59:08,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:59:08,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:59:08,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:59:08,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:59:08,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:59:08,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:59:08,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:59:08,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:59:08,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:59:08,523 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:59:08,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:59:08,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:59:08,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:59:08,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:59:08,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:59:08,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:59:08,527 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:59:08,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:59:08,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:59:08,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:59:08,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:59:08,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:59:08,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:59:08,529 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:59:08,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:59:08,529 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:59:08,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:59:08,530 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:59:08,530 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:59:08,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:59:08,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:08,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:59:08,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:59:08,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:59:08,531 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:59:08,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:59:08,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:59:08,532 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_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a81e8bf3973396767cf6326af5dc9a5105a737c418064bf310f9765cc117f7 [2021-11-23 00:59:08,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:59:08,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:59:08,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:59:08,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:59:08,863 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:59:08,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/recursive-simple/fibo_15-1.c [2021-11-23 00:59:08,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/data/49e35161e/ec6f3ec6880a4f7190d09b64445aa0fa/FLAGc105afd78 [2021-11-23 00:59:09,468 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:59:09,470 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/sv-benchmarks/c/recursive-simple/fibo_15-1.c [2021-11-23 00:59:09,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/data/49e35161e/ec6f3ec6880a4f7190d09b64445aa0fa/FLAGc105afd78 [2021-11-23 00:59:09,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/data/49e35161e/ec6f3ec6880a4f7190d09b64445aa0fa [2021-11-23 00:59:09,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:59:09,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:59:09,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:09,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:59:09,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:59:09,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:09" (1/1) ... [2021-11-23 00:59:09,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a75990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:09, skipping insertion in model container [2021-11-23 00:59:09,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:09" (1/1) ... [2021-11-23 00:59:09,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:59:09,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:59:10,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/sv-benchmarks/c/recursive-simple/fibo_15-1.c[744,757] [2021-11-23 00:59:10,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:10,080 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:59:10,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/sv-benchmarks/c/recursive-simple/fibo_15-1.c[744,757] [2021-11-23 00:59:10,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:10,107 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:59:10,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:10 WrapperNode [2021-11-23 00:59:10,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:10,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:10,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:59:10,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:59:10,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:10" (1/1) ... [2021-11-23 00:59:10,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:10" (1/1) ... [2021-11-23 00:59:10,147 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 00:59:10,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:10,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:59:10,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:59:10,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:59:10,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:10" (1/1) ... [2021-11-23 00:59:10,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:10" (1/1) ... [2021-11-23 00:59:10,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:10" (1/1) ... [2021-11-23 00:59:10,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:10" (1/1) ... [2021-11-23 00:59:10,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:10" (1/1) ... [2021-11-23 00:59:10,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:10" (1/1) ... [2021-11-23 00:59:10,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:10" (1/1) ... [2021-11-23 00:59:10,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:59:10,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:59:10,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:59:10,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:59:10,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:10" (1/1) ... [2021-11-23 00:59:10,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:59:10,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:59:10,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e267fbb-2c34-4a53-bd2c-9e029f2cff7e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:59:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:59:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:59:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:59:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:59:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2021-11-23 00:59:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2021-11-23 00:59:10,328 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:59:10,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:59:10,464 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:59:10,475 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:59:10,477 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:59:10,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:10 BoogieIcfgContainer [2021-11-23 00:59:10,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:59:10,482 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:59:10,482 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:59:10,492 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:59:10,492 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:10" (1/1) ... [2021-11-23 00:59:10,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 00:59:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 00:59:10,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:59:10,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:10,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:10,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:10,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 25 transitions. [2021-11-23 00:59:10,961 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-23 00:59:10,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:59:10,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:10,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:11,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:11,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:11,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 29 transitions. [2021-11-23 00:59:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 00:59:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:59:11,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:11,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:59:11,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:11,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 28 transitions. [2021-11-23 00:59:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-23 00:59:11,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:11,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:11,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:59:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:11,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 40 transitions. [2021-11-23 00:59:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2021-11-23 00:59:11,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:59:11,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:11,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:11,884 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:59:12,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 47 transitions. [2021-11-23 00:59:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-23 00:59:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:59:12,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:12,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 00:59:12,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:12,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 62 transitions. [2021-11-23 00:59:12,809 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2021-11-23 00:59:12,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:59:12,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:12,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:59:13,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 34 states and 61 transitions. [2021-11-23 00:59:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-11-23 00:59:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:59:13,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:13,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:59:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 39 states and 78 transitions. [2021-11-23 00:59:13,764 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2021-11-23 00:59:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:59:13,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:13,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 54 proven. 273 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 00:59:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 44 states and 98 transitions. [2021-11-23 00:59:14,259 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 98 transitions. [2021-11-23 00:59:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-23 00:59:14,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:14,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:14,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3330 backedges. 132 proven. 828 refuted. 0 times theorem prover too weak. 2370 trivial. 0 not checked. [2021-11-23 00:59:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 49 states and 121 transitions. [2021-11-23 00:59:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 121 transitions. [2021-11-23 00:59:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-23 00:59:14,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:14,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:15,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3275 backedges. 299 proven. 784 refuted. 0 times theorem prover too weak. 2192 trivial. 0 not checked. [2021-11-23 00:59:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 49 states and 120 transitions. [2021-11-23 00:59:15,479 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 120 transitions. [2021-11-23 00:59:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-23 00:59:15,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:15,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:15,827 INFO L134 CoverageAnalysis]: Checked inductivity of 9549 backedges. 262 proven. 1749 refuted. 0 times theorem prover too weak. 7538 trivial. 0 not checked. [2021-11-23 00:59:16,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 54 states and 146 transitions. [2021-11-23 00:59:16,209 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 146 transitions. [2021-11-23 00:59:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-11-23 00:59:16,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:16,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 9644 backedges. 678 proven. 1159 refuted. 0 times theorem prover too weak. 7807 trivial. 0 not checked. [2021-11-23 00:59:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 56 states and 146 transitions. [2021-11-23 00:59:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 146 transitions. [2021-11-23 00:59:16,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-23 00:59:16,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:16,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:17,254 INFO L134 CoverageAnalysis]: Checked inductivity of 5514 backedges. 927 proven. 705 refuted. 0 times theorem prover too weak. 3882 trivial. 0 not checked. [2021-11-23 00:59:17,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 56 states and 143 transitions. [2021-11-23 00:59:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 143 transitions. [2021-11-23 00:59:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2021-11-23 00:59:17,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:17,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 10947 backedges. 1414 proven. 1824 refuted. 0 times theorem prover too weak. 7709 trivial. 0 not checked. [2021-11-23 00:59:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:18,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 56 states and 142 transitions. [2021-11-23 00:59:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 142 transitions. [2021-11-23 00:59:18,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-11-23 00:59:18,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:18,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:18,492 INFO L134 CoverageAnalysis]: Checked inductivity of 14031 backedges. 644 proven. 1504 refuted. 0 times theorem prover too weak. 11883 trivial. 0 not checked. [2021-11-23 00:59:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 56 states and 140 transitions. [2021-11-23 00:59:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 140 transitions. [2021-11-23 00:59:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2021-11-23 00:59:18,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:18,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 32112 backedges. 615 proven. 3816 refuted. 0 times theorem prover too weak. 27681 trivial. 0 not checked. [2021-11-23 00:59:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:19,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 61 states and 165 transitions. [2021-11-23 00:59:19,514 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 165 transitions. [2021-11-23 00:59:19,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2021-11-23 00:59:19,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:19,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 31851 backedges. 1164 proven. 4262 refuted. 0 times theorem prover too weak. 26425 trivial. 0 not checked. [2021-11-23 00:59:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 61 states and 164 transitions. [2021-11-23 00:59:20,240 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 164 transitions. [2021-11-23 00:59:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2021-11-23 00:59:20,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:20,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 130635 backedges. 1218 proven. 9198 refuted. 0 times theorem prover too weak. 120219 trivial. 0 not checked. [2021-11-23 00:59:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 66 states and 192 transitions. [2021-11-23 00:59:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 192 transitions. [2021-11-23 00:59:21,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1227 [2021-11-23 00:59:21,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:21,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 90414 backedges. 2375 proven. 6214 refuted. 0 times theorem prover too weak. 81825 trivial. 0 not checked. [2021-11-23 00:59:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:22,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 66 states and 192 transitions. [2021-11-23 00:59:22,500 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 192 transitions. [2021-11-23 00:59:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1022 [2021-11-23 00:59:22,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:22,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 62534 backedges. 2590 proven. 4479 refuted. 0 times theorem prover too weak. 55465 trivial. 0 not checked. [2021-11-23 00:59:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 66 states and 192 transitions. [2021-11-23 00:59:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 192 transitions. [2021-11-23 00:59:23,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2949 [2021-11-23 00:59:23,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:23,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 526941 backedges. 2401 proven. 21333 refuted. 0 times theorem prover too weak. 503207 trivial. 0 not checked. [2021-11-23 00:59:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 71 states and 223 transitions. [2021-11-23 00:59:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 223 transitions. [2021-11-23 00:59:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1767 [2021-11-23 00:59:26,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:26,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 188404 backedges. 12029 proven. 7058 refuted. 0 times theorem prover too weak. 169317 trivial. 0 not checked. [2021-11-23 00:59:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 73 states and 223 transitions. [2021-11-23 00:59:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 223 transitions. [2021-11-23 00:59:27,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2298 [2021-11-23 00:59:27,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:27,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:29,471 INFO L134 CoverageAnalysis]: Checked inductivity of 319432 backedges. 6826 proven. 15701 refuted. 0 times theorem prover too weak. 296905 trivial. 0 not checked. [2021-11-23 00:59:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:29,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 73 states and 222 transitions. [2021-11-23 00:59:29,928 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 222 transitions. [2021-11-23 00:59:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3441 [2021-11-23 00:59:30,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:30,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:32,406 INFO L134 CoverageAnalysis]: Checked inductivity of 718083 backedges. 3465 proven. 23674 refuted. 0 times theorem prover too weak. 690944 trivial. 0 not checked. [2021-11-23 00:59:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 75 states and 224 transitions. [2021-11-23 00:59:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 224 transitions. [2021-11-23 00:59:32,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3049 [2021-11-23 00:59:32,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:32,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 563439 backedges. 5446 proven. 16602 refuted. 0 times theorem prover too weak. 541391 trivial. 0 not checked. [2021-11-23 00:59:34,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:34,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 75 states and 223 transitions. [2021-11-23 00:59:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 223 transitions. [2021-11-23 00:59:34,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2475 [2021-11-23 00:59:34,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:34,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 370750 backedges. 13127 proven. 19867 refuted. 0 times theorem prover too weak. 337756 trivial. 0 not checked. [2021-11-23 00:59:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 75 states and 222 transitions. [2021-11-23 00:59:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 222 transitions. [2021-11-23 00:59:37,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2940 [2021-11-23 00:59:37,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:37,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 523755 backedges. 3011 proven. 23023 refuted. 0 times theorem prover too weak. 497721 trivial. 0 not checked. [2021-11-23 00:59:39,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:39,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 80 states and 253 transitions. [2021-11-23 00:59:39,467 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 253 transitions. [2021-11-23 00:59:39,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4357 [2021-11-23 00:59:39,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:39,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1152669 backedges. 7523 proven. 38770 refuted. 0 times theorem prover too weak. 1106376 trivial. 0 not checked. [2021-11-23 00:59:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 82 states and 255 transitions. [2021-11-23 00:59:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 255 transitions. [2021-11-23 00:59:43,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5922 [2021-11-23 00:59:43,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:43,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:49,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2131884 backedges. 6293 proven. 51772 refuted. 0 times theorem prover too weak. 2073819 trivial. 0 not checked. [2021-11-23 00:59:49,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:49,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 87 states and 289 transitions. [2021-11-23 00:59:49,898 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 289 transitions. [2021-11-23 00:59:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4422 [2021-11-23 00:59:50,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:50,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1187434 backedges. 37838 proven. 18536 refuted. 0 times theorem prover too weak. 1131060 trivial. 0 not checked. [2021-11-23 00:59:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:54,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 89 states and 290 transitions. [2021-11-23 00:59:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 290 transitions. [2021-11-23 00:59:54,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7053 [2021-11-23 00:59:54,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:54,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:00,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3025465 backedges. 9259 proven. 70748 refuted. 0 times theorem prover too weak. 2945458 trivial. 0 not checked. [2021-11-23 01:00:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 91 states and 292 transitions. [2021-11-23 01:00:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 292 transitions. [2021-11-23 01:00:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4668 [2021-11-23 01:00:01,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:01,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1323505 backedges. 18557 proven. 54780 refuted. 0 times theorem prover too weak. 1250168 trivial. 0 not checked. [2021-11-23 01:00:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:05,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 91 states and 291 transitions. [2021-11-23 01:00:05,277 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 291 transitions. [2021-11-23 01:00:05,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7431 [2021-11-23 01:00:05,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:05,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3358980 backedges. 12094 proven. 73726 refuted. 0 times theorem prover too weak. 3273160 trivial. 0 not checked. [2021-11-23 01:00:12,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 91 states and 291 transitions. [2021-11-23 01:00:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 291 transitions. [2021-11-23 01:00:12,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3851 [2021-11-23 01:00:12,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:12,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:15,211 INFO L134 CoverageAnalysis]: Checked inductivity of 900000 backedges. 28219 proven. 23860 refuted. 0 times theorem prover too weak. 847921 trivial. 0 not checked. [2021-11-23 01:00:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 93 states and 293 transitions. [2021-11-23 01:00:15,650 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 293 transitions. [2021-11-23 01:00:15,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5145 [2021-11-23 01:00:15,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:15,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1608399 backedges. 34789 proven. 52087 refuted. 0 times theorem prover too weak. 1521523 trivial. 0 not checked. [2021-11-23 01:00:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 93 states and 292 transitions. [2021-11-23 01:00:21,183 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 292 transitions. [2021-11-23 01:00:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7433 [2021-11-23 01:00:21,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:21,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3360743 backedges. 7203 proven. 72087 refuted. 0 times theorem prover too weak. 3281453 trivial. 0 not checked. [2021-11-23 01:00:30,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 98 states and 327 transitions. [2021-11-23 01:00:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 327 transitions. [2021-11-23 01:00:30,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9435 [2021-11-23 01:00:30,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:30,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5417784 backedges. 14830 proven. 78167 refuted. 0 times theorem prover too weak. 5324787 trivial. 0 not checked. [2021-11-23 01:00:43,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 98 states and 326 transitions. [2021-11-23 01:00:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 326 transitions. [2021-11-23 01:00:44,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11148 [2021-11-23 01:00:44,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:44,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:59,670 INFO L134 CoverageAnalysis]: Checked inductivity of 7566057 backedges. 13362 proven. 123109 refuted. 0 times theorem prover too weak. 7429586 trivial. 0 not checked. [2021-11-23 01:00:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 100 states and 328 transitions. [2021-11-23 01:00:59,986 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 328 transitions. [2021-11-23 01:01:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16989 [2021-11-23 01:01:01,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:01,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 17581689 backedges. 19147 proven. 189462 refuted. 0 times theorem prover too weak. 17373080 trivial. 0 not checked. [2021-11-23 01:01:34,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:34,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 100 states and 328 transitions. [2021-11-23 01:01:34,575 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 328 transitions. [2021-11-23 01:01:35,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13887 [2021-11-23 01:01:35,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:35,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 11744424 backedges. 13514 proven. 147154 refuted. 0 times theorem prover too weak. 11583756 trivial. 0 not checked. [2021-11-23 01:02:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 105 states and 366 transitions. [2021-11-23 01:02:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 366 transitions. [2021-11-23 01:02:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17646 [2021-11-23 01:02:06,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:06,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:48,744 INFO L134 CoverageAnalysis]: Checked inductivity of 18968400 backedges. 36711 proven. 172901 refuted. 0 times theorem prover too weak. 18758788 trivial. 0 not checked. [2021-11-23 01:02:50,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 91 states and 152 transitions. [2021-11-23 01:02:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 152 transitions. [2021-11-23 01:02:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14187 [2021-11-23 01:02:51,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:51,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12257662 backedges. 58101 proven. 94111 refuted. 0 times theorem prover too weak. 12105450 trivial. 0 not checked. [2021-11-23 01:03:23,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:23,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 91 states and 151 transitions. [2021-11-23 01:03:23,577 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 151 transitions. [2021-11-23 01:03:24,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15399 [2021-11-23 01:03:24,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:24,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 14442966 backedges. 65793 proven. 103995 refuted. 0 times theorem prover too weak. 14273178 trivial. 0 not checked. [2021-11-23 01:04:00,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 91 states and 147 transitions. [2021-11-23 01:04:00,766 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2021-11-23 01:04:02,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15862 [2021-11-23 01:04:02,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:02,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 15325074 backedges. 47795 proven. 140509 refuted. 0 times theorem prover too weak. 15136770 trivial. 0 not checked. [2021-11-23 01:04:43,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:43,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 91 states and 142 transitions. [2021-11-23 01:04:43,249 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 142 transitions. [2021-11-23 01:04:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19445 [2021-11-23 01:04:45,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:45,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:39,066 INFO L134 CoverageAnalysis]: Checked inductivity of 23035349 backedges. 21297 proven. 250518 refuted. 0 times theorem prover too weak. 22763534 trivial. 0 not checked. [2021-11-23 01:05:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 91 states and 132 transitions. [2021-11-23 01:05:39,766 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2021-11-23 01:05:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11477 [2021-11-23 01:05:40,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:40,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 8019527 backedges. 84287 proven. 29012 refuted. 0 times theorem prover too weak. 7906228 trivial. 0 not checked. [2021-11-23 01:06:07,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:07,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 91 states and 130 transitions. [2021-11-23 01:06:07,204 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2021-11-23 01:06:08,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16611 [2021-11-23 01:06:08,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:08,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 16807426 backedges. 102088 proven. 81142 refuted. 0 times theorem prover too weak. 16624196 trivial. 0 not checked. [2021-11-23 01:06:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 91 states and 127 transitions. [2021-11-23 01:06:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 127 transitions. [2021-11-23 01:06:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13438 [2021-11-23 01:06:57,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:57,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10996742 backedges. 0 proven. 3626247 refuted. 0 times theorem prover too weak. 7370495 trivial. 0 not checked. [2021-11-23 01:09:52,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 156 states and 270 transitions. [2021-11-23 01:09:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 270 transitions. [2021-11-23 01:09:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14491 [2021-11-23 01:09:53,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:53,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12789416 backedges. 41399 proven. 93824 refuted. 0 times theorem prover too weak. 12654193 trivial. 0 not checked. [2021-11-23 01:10:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:32,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 156 states and 270 transitions. [2021-11-23 01:10:32,992 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 270 transitions. [2021-11-23 01:10:34,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16408 [2021-11-23 01:10:34,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:34,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16400547 backedges. 19617 proven. 165213 refuted. 0 times theorem prover too weak. 16215717 trivial. 0 not checked. [2021-11-23 01:11:08,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 156 states and 270 transitions. [2021-11-23 01:11:09,002 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 270 transitions. [2021-11-23 01:11:10,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16543 [2021-11-23 01:11:10,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:10,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 16671762 backedges. 19793 proven. 166572 refuted. 0 times theorem prover too weak. 16485397 trivial. 0 not checked. [2021-11-23 01:11:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 156 states and 270 transitions. [2021-11-23 01:11:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 270 transitions. [2021-11-23 01:11:48,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15895 [2021-11-23 01:11:48,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:48,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat