./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/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_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/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_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/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 a9cccea737f311e9e2585bb4c0fd7fa7e4382857df72468b846279ab5798480b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:15:22,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:15:22,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:15:22,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:15:22,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:15:22,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:15:22,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:15:22,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:15:22,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:15:22,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:15:22,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:15:22,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:15:22,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:15:22,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:15:22,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:15:22,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:15:22,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:15:22,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:15:22,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:15:22,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:15:22,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:15:22,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:15:22,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:15:22,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:15:22,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:15:22,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:15:22,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:15:22,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:15:22,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:15:22,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:15:22,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:15:22,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:15:22,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:15:22,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:15:22,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:15:22,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:15:22,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:15:22,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:15:22,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:15:22,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:15:22,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:15:22,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:15:22,918 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:15:22,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:15:22,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:15:22,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:15:22,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:15:22,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:15:22,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:15:22,921 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:15:22,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:15:22,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:15:22,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:15:22,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:15:22,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:15:22,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:15:22,930 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:15:22,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:15:22,930 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:15:22,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:15:22,931 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:15:22,931 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:15:22,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:15:22,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:22,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:15:22,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:15:22,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:15:22,932 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:15:22,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:15:22,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:15:22,933 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_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9cccea737f311e9e2585bb4c0fd7fa7e4382857df72468b846279ab5798480b [2021-11-23 01:15:23,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:15:23,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:15:23,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:15:23,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:15:23,272 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:15:23,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c [2021-11-23 01:15:23,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ/data/4a4b8250a/73d18a491073424e848ce69bc6c82b57/FLAGc095cc70a [2021-11-23 01:15:23,784 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:15:23,785 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c [2021-11-23 01:15:23,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ/data/4a4b8250a/73d18a491073424e848ce69bc6c82b57/FLAGc095cc70a [2021-11-23 01:15:24,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ/data/4a4b8250a/73d18a491073424e848ce69bc6c82b57 [2021-11-23 01:15:24,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:15:24,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:15:24,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:24,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:15:24,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:15:24,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63af545a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24, skipping insertion in model container [2021-11-23 01:15:24,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:15:24,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:15:24,401 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_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c[952,965] [2021-11-23 01:15:24,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:24,411 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:15:24,425 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_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/sv-benchmarks/c/recursive-simple/fibo_2calls_25-2.c[952,965] [2021-11-23 01:15:24,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:24,439 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:15:24,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24 WrapperNode [2021-11-23 01:15:24,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:24,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:24,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:15:24,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:15:24,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,492 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 01:15:24,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:24,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:15:24,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:15:24,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:15:24,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:15:24,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:15:24,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:15:24,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:15:24,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:24,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:15:24,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:15:24,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdeb9a5-16b1-4929-9f65-f0e6c40f667b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:15:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:15:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:15:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 01:15:24,635 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 01:15:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 01:15:24,635 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 01:15:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:15:24,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:15:24,706 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:15:24,707 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:15:24,803 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:15:24,842 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:15:24,842 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:15:24,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:24 BoogieIcfgContainer [2021-11-23 01:15:24,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:15:24,846 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:15:24,846 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:15:24,864 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:15:24,873 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:24" (1/1) ... [2021-11-23 01:15:24,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:15:24,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2021-11-23 01:15:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-11-23 01:15:24,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:15:24,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:24,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:25,138 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 01:15:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 37 transitions. [2021-11-23 01:15:25,217 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-23 01:15:25,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:15:25,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:25,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:25,280 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 01:15:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:25,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 41 transitions. [2021-11-23 01:15:25,398 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2021-11-23 01:15:25,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:15:25,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:25,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:25,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 45 transitions. [2021-11-23 01:15:25,753 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2021-11-23 01:15:25,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:15:25,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:25,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:26,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 59 transitions. [2021-11-23 01:15:26,260 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2021-11-23 01:15:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:15:26,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:26,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:15:26,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 58 transitions. [2021-11-23 01:15:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2021-11-23 01:15:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:15:26,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:26,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:15:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 39 states and 55 transitions. [2021-11-23 01:15:27,425 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-11-23 01:15:27,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:15:27,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:27,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:15:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:28,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 49 states and 74 transitions. [2021-11-23 01:15:28,323 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2021-11-23 01:15:28,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:15:28,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:28,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:28,375 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:15:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 49 states and 73 transitions. [2021-11-23 01:15:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2021-11-23 01:15:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:15:28,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:28,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:28,845 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:15:29,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:29,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 52 states and 79 transitions. [2021-11-23 01:15:29,841 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2021-11-23 01:15:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:15:29,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:29,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:29,971 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 01:15:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:30,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 100 transitions. [2021-11-23 01:15:30,707 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2021-11-23 01:15:30,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 01:15:30,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:30,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:30,934 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 36 proven. 151 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-11-23 01:15:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:31,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 124 transitions. [2021-11-23 01:15:31,746 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2021-11-23 01:15:31,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-23 01:15:31,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:31,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 140 proven. 168 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2021-11-23 01:15:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 72 states and 122 transitions. [2021-11-23 01:15:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 122 transitions. [2021-11-23 01:15:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 01:15:32,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:32,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2021-11-23 01:15:33,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 82 states and 147 transitions. [2021-11-23 01:15:33,737 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 147 transitions. [2021-11-23 01:15:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-23 01:15:33,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:33,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 7277 backedges. 208 proven. 1069 refuted. 0 times theorem prover too weak. 6000 trivial. 0 not checked. [2021-11-23 01:15:35,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 92 states and 175 transitions. [2021-11-23 01:15:35,217 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 175 transitions. [2021-11-23 01:15:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2021-11-23 01:15:35,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:35,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14593 backedges. 242 proven. 1861 refuted. 0 times theorem prover too weak. 12490 trivial. 0 not checked. [2021-11-23 01:15:36,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 102 states and 206 transitions. [2021-11-23 01:15:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 206 transitions. [2021-11-23 01:15:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1249 [2021-11-23 01:15:36,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:36,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:37,711 INFO L134 CoverageAnalysis]: Checked inductivity of 46561 backedges. 828 proven. 3953 refuted. 0 times theorem prover too weak. 41780 trivial. 0 not checked. [2021-11-23 01:15:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 102 states and 205 transitions. [2021-11-23 01:15:38,215 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 205 transitions. [2021-11-23 01:15:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1171 [2021-11-23 01:15:38,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:38,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 40960 backedges. 508 proven. 3558 refuted. 0 times theorem prover too weak. 36894 trivial. 0 not checked. [2021-11-23 01:15:40,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:40,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 112 states and 239 transitions. [2021-11-23 01:15:40,107 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 239 transitions. [2021-11-23 01:15:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2021-11-23 01:15:40,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:40,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:40,670 INFO L134 CoverageAnalysis]: Checked inductivity of 24459 backedges. 1605 proven. 1054 refuted. 0 times theorem prover too weak. 21800 trivial. 0 not checked. [2021-11-23 01:15:41,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 114 states and 240 transitions. [2021-11-23 01:15:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 240 transitions. [2021-11-23 01:15:41,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1076 [2021-11-23 01:15:41,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:41,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 34489 backedges. 757 proven. 3039 refuted. 0 times theorem prover too weak. 30693 trivial. 0 not checked. [2021-11-23 01:15:42,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:42,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 116 states and 242 transitions. [2021-11-23 01:15:42,410 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 242 transitions. [2021-11-23 01:15:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1413 [2021-11-23 01:15:42,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:42,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 59767 backedges. 1161 proven. 3740 refuted. 0 times theorem prover too weak. 54866 trivial. 0 not checked. [2021-11-23 01:15:43,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:43,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 116 states and 241 transitions. [2021-11-23 01:15:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 241 transitions. [2021-11-23 01:15:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2829 [2021-11-23 01:15:43,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:43,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 241871 backedges. 1133 proven. 10207 refuted. 0 times theorem prover too weak. 230531 trivial. 0 not checked. [2021-11-23 01:15:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 126 states and 277 transitions. [2021-11-23 01:15:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 277 transitions. [2021-11-23 01:15:47,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7565 [2021-11-23 01:15:47,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:47,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:55,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1740379 backedges. 3680 proven. 30512 refuted. 0 times theorem prover too weak. 1706187 trivial. 0 not checked. [2021-11-23 01:15:56,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 128 states and 279 transitions. [2021-11-23 01:15:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 279 transitions. [2021-11-23 01:15:56,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3438 [2021-11-23 01:15:56,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:56,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 357986 backedges. 9096 proven. 7049 refuted. 0 times theorem prover too weak. 341841 trivial. 0 not checked. [2021-11-23 01:15:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 128 states and 277 transitions. [2021-11-23 01:15:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 277 transitions. [2021-11-23 01:15:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4625 [2021-11-23 01:15:59,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:59,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:02,609 INFO L134 CoverageAnalysis]: Checked inductivity of 651693 backedges. 3334 proven. 21160 refuted. 0 times theorem prover too weak. 627199 trivial. 0 not checked. [2021-11-23 01:16:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 130 states and 279 transitions. [2021-11-23 01:16:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 279 transitions. [2021-11-23 01:16:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1890 [2021-11-23 01:16:03,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:03,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 107392 backedges. 6371 proven. 3101 refuted. 0 times theorem prover too weak. 97920 trivial. 0 not checked. [2021-11-23 01:16:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:05,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 132 states and 280 transitions. [2021-11-23 01:16:05,111 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 280 transitions. [2021-11-23 01:16:05,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2950 [2021-11-23 01:16:05,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:05,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 263987 backedges. 1680 proven. 9008 refuted. 0 times theorem prover too weak. 253299 trivial. 0 not checked. [2021-11-23 01:16:06,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:06,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 132 states and 279 transitions. [2021-11-23 01:16:06,857 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 279 transitions. [2021-11-23 01:16:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2885 [2021-11-23 01:16:06,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:06,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 251867 backedges. 2861 proven. 8554 refuted. 0 times theorem prover too weak. 240452 trivial. 0 not checked. [2021-11-23 01:16:09,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 134 states and 279 transitions. [2021-11-23 01:16:09,266 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 279 transitions. [2021-11-23 01:16:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1822 [2021-11-23 01:16:09,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:09,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:10,474 INFO L134 CoverageAnalysis]: Checked inductivity of 99745 backedges. 3327 proven. 6939 refuted. 0 times theorem prover too weak. 89479 trivial. 0 not checked. [2021-11-23 01:16:10,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:10,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 134 states and 278 transitions. [2021-11-23 01:16:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 278 transitions. [2021-11-23 01:16:11,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4137 [2021-11-23 01:16:11,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:11,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:13,812 INFO L134 CoverageAnalysis]: Checked inductivity of 518517 backedges. 3439 proven. 19852 refuted. 0 times theorem prover too weak. 495226 trivial. 0 not checked. [2021-11-23 01:16:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 134 states and 277 transitions. [2021-11-23 01:16:14,319 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 277 transitions. [2021-11-23 01:16:14,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3429 [2021-11-23 01:16:14,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:14,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 355727 backedges. 1514 proven. 13712 refuted. 0 times theorem prover too weak. 340501 trivial. 0 not checked. [2021-11-23 01:16:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 144 states and 313 transitions. [2021-11-23 01:16:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 313 transitions. [2021-11-23 01:16:17,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4069 [2021-11-23 01:16:17,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:17,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 501589 backedges. 5896 proven. 13661 refuted. 0 times theorem prover too weak. 482032 trivial. 0 not checked. [2021-11-23 01:16:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:21,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 146 states and 313 transitions. [2021-11-23 01:16:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 313 transitions. [2021-11-23 01:16:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3756 [2021-11-23 01:16:21,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:21,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 427091 backedges. 11639 proven. 16752 refuted. 0 times theorem prover too weak. 398700 trivial. 0 not checked. [2021-11-23 01:16:24,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:24,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 146 states and 311 transitions. [2021-11-23 01:16:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 311 transitions. [2021-11-23 01:16:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4573 [2021-11-23 01:16:24,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:24,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 633949 backedges. 5136 proven. 13404 refuted. 0 times theorem prover too weak. 615409 trivial. 0 not checked. [2021-11-23 01:16:27,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:27,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 146 states and 310 transitions. [2021-11-23 01:16:27,928 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 310 transitions. [2021-11-23 01:16:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5145 [2021-11-23 01:16:28,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:28,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 802937 backedges. 2478 proven. 22677 refuted. 0 times theorem prover too weak. 777782 trivial. 0 not checked. [2021-11-23 01:16:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:33,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:16:33,377 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:16:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6875 [2021-11-23 01:16:33,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:33,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1435578 backedges. 4554 proven. 34403 refuted. 0 times theorem prover too weak. 1396621 trivial. 0 not checked. [2021-11-23 01:16:39,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:16:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:16:39,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7433 [2021-11-23 01:16:39,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:39,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1678559 backedges. 3944 proven. 38223 refuted. 0 times theorem prover too weak. 1636392 trivial. 0 not checked. [2021-11-23 01:16:46,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:46,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:16:46,143 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:16:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6725 [2021-11-23 01:16:46,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:46,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1373607 backedges. 4625 proven. 33460 refuted. 0 times theorem prover too weak. 1335522 trivial. 0 not checked. [2021-11-23 01:16:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:16:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:16:52,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7406 [2021-11-23 01:16:52,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:52,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1666473 backedges. 4925 proven. 37074 refuted. 0 times theorem prover too weak. 1624474 trivial. 0 not checked. [2021-11-23 01:16:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:16:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:16:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6194 [2021-11-23 01:16:59,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:59,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:03,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1164765 backedges. 4254 proven. 30789 refuted. 0 times theorem prover too weak. 1129722 trivial. 0 not checked. [2021-11-23 01:17:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:17:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:17:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21189 [2021-11-23 01:17:05,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:05,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,697 INFO L134 CoverageAnalysis]: Checked inductivity of 13672655 backedges. 9077 proven. 112132 refuted. 0 times theorem prover too weak. 13551446 trivial. 0 not checked. [2021-11-23 01:17:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:17:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:17:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15305 [2021-11-23 01:17:59,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7129845 backedges. 6870 proven. 80547 refuted. 0 times theorem prover too weak. 7042428 trivial. 0 not checked. [2021-11-23 01:18:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:18:24,642 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:18:25,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10443 [2021-11-23 01:18:25,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3316720 backedges. 6501 proven. 52969 refuted. 0 times theorem prover too weak. 3257250 trivial. 0 not checked. [2021-11-23 01:18:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:18:38,630 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:18:38,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6221 [2021-11-23 01:18:38,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1174971 backedges. 4217 proven. 30981 refuted. 0 times theorem prover too weak. 1139773 trivial. 0 not checked. [2021-11-23 01:18:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:18:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:18:45,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13739 [2021-11-23 01:18:45,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:45,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 5744298 backedges. 7530 proven. 70890 refuted. 0 times theorem prover too weak. 5665878 trivial. 0 not checked. [2021-11-23 01:19:09,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:19:09,257 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:19:09,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10293 [2021-11-23 01:19:09,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:09,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3222263 backedges. 5195 proven. 53390 refuted. 0 times theorem prover too weak. 3163678 trivial. 0 not checked. [2021-11-23 01:19:21,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:19:21,285 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:19:22,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14461 [2021-11-23 01:19:22,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:22,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6364625 backedges. 7845 proven. 74702 refuted. 0 times theorem prover too weak. 6282078 trivial. 0 not checked. [2021-11-23 01:19:44,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:44,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:19:44,430 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:19:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8795 [2021-11-23 01:19:44,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:44,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2351376 backedges. 4587 proven. 45408 refuted. 0 times theorem prover too weak. 2301381 trivial. 0 not checked. [2021-11-23 01:19:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:19:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:19:53,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9122 [2021-11-23 01:19:53,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:01,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2529987 backedges. 5901 proven. 45954 refuted. 0 times theorem prover too weak. 2478132 trivial. 0 not checked. [2021-11-23 01:20:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:20:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:20:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22769 [2021-11-23 01:20:04,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:04,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 15789453 backedges. 9975 proven. 120302 refuted. 0 times theorem prover too weak. 15659176 trivial. 0 not checked. [2021-11-23 01:21:01,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:21:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:21:01,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9449 [2021-11-23 01:21:01,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:01,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:10,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2714757 backedges. 5300 proven. 48441 refuted. 0 times theorem prover too weak. 2661016 trivial. 0 not checked. [2021-11-23 01:21:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:21:10,485 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:21:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7583 [2021-11-23 01:21:10,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:10,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1747122 backedges. 4467 proven. 38559 refuted. 0 times theorem prover too weak. 1704096 trivial. 0 not checked. [2021-11-23 01:21:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:17,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:21:17,493 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:21:17,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10579 [2021-11-23 01:21:17,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:17,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:30,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3403978 backedges. 6577 proven. 53655 refuted. 0 times theorem prover too weak. 3343746 trivial. 0 not checked. [2021-11-23 01:21:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:21:30,187 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:21:30,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8291 [2021-11-23 01:21:30,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:30,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2089396 backedges. 4611 proven. 42471 refuted. 0 times theorem prover too weak. 2042314 trivial. 0 not checked. [2021-11-23 01:21:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:21:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:21:38,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16585 [2021-11-23 01:21:38,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:38,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8374955 backedges. 7810 proven. 86905 refuted. 0 times theorem prover too weak. 8280240 trivial. 0 not checked. [2021-11-23 01:22:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:22:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:22:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10729 [2021-11-23 01:22:07,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3501121 backedges. 5442 proven. 55675 refuted. 0 times theorem prover too weak. 3440004 trivial. 0 not checked. [2021-11-23 01:22:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:20,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:22:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:22:20,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4968 [2021-11-23 01:22:20,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:20,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 748498 backedges. 3445 proven. 24558 refuted. 0 times theorem prover too weak. 720495 trivial. 0 not checked. [2021-11-23 01:22:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:23,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:22:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:22:23,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6793 [2021-11-23 01:22:23,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:23,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:28,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1401463 backedges. 4221 proven. 34271 refuted. 0 times theorem prover too weak. 1362971 trivial. 0 not checked. [2021-11-23 01:22:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:28,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:22:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:22:29,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9449 [2021-11-23 01:22:29,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:29,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:38,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2714757 backedges. 5077 proven. 48664 refuted. 0 times theorem prover too weak. 2661016 trivial. 0 not checked. [2021-11-23 01:22:38,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:38,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:22:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:22:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23449 [2021-11-23 01:22:40,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:40,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 16747087 backedges. 9670 proven. 124521 refuted. 0 times theorem prover too weak. 16612896 trivial. 0 not checked. [2021-11-23 01:23:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:23:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:23:39,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7583 [2021-11-23 01:23:39,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:39,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1747122 backedges. 4348 proven. 38678 refuted. 0 times theorem prover too weak. 1704096 trivial. 0 not checked. [2021-11-23 01:23:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:45,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:23:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:23:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8768 [2021-11-23 01:23:46,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:46,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2337048 backedges. 6093 proven. 43734 refuted. 0 times theorem prover too weak. 2287221 trivial. 0 not checked. [2021-11-23 01:23:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:23:54,612 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:23:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4968 [2021-11-23 01:23:54,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:54,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 748498 backedges. 3445 proven. 24558 refuted. 0 times theorem prover too weak. 720495 trivial. 0 not checked. [2021-11-23 01:23:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:23:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:23:58,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10443 [2021-11-23 01:23:58,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:58,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:09,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3316720 backedges. 6501 proven. 52969 refuted. 0 times theorem prover too weak. 3257250 trivial. 0 not checked. [2021-11-23 01:24:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:10,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:24:10,043 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:24:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5431 [2021-11-23 01:24:10,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:10,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 894928 backedges. 3649 proven. 27015 refuted. 0 times theorem prover too weak. 864264 trivial. 0 not checked. [2021-11-23 01:24:13,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:13,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:24:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:24:14,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13739 [2021-11-23 01:24:14,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:14,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5744298 backedges. 7530 proven. 70890 refuted. 0 times theorem prover too weak. 5665878 trivial. 0 not checked. [2021-11-23 01:24:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:24:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:24:35,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8237 [2021-11-23 01:24:35,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:35,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2062047 backedges. 4804 proven. 41981 refuted. 0 times theorem prover too weak. 2015262 trivial. 0 not checked. [2021-11-23 01:24:41,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:41,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:24:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:24:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9749 [2021-11-23 01:24:42,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:42,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2889987 backedges. 4947 proven. 50538 refuted. 0 times theorem prover too weak. 2834502 trivial. 0 not checked. [2021-11-23 01:24:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:53,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:24:53,386 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:24:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6221 [2021-11-23 01:24:53,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:53,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1174971 backedges. 4098 proven. 31100 refuted. 0 times theorem prover too weak. 1139773 trivial. 0 not checked. [2021-11-23 01:24:58,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:58,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:24:58,043 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:24:58,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7583 [2021-11-23 01:24:58,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:58,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1747122 backedges. 5167 proven. 37859 refuted. 0 times theorem prover too weak. 1704096 trivial. 0 not checked. [2021-11-23 01:25:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:04,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:25:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:25:05,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5826 [2021-11-23 01:25:05,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:05,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1030187 backedges. 4042 proven. 28889 refuted. 0 times theorem prover too weak. 997256 trivial. 0 not checked. [2021-11-23 01:25:08,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:25:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:25:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9871 [2021-11-23 01:25:09,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:09,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2962912 backedges. 6175 proven. 50001 refuted. 0 times theorem prover too weak. 2906736 trivial. 0 not checked. [2021-11-23 01:25:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:25:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:25:20,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13739 [2021-11-23 01:25:20,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:20,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5744298 backedges. 7530 proven. 70890 refuted. 0 times theorem prover too weak. 5665878 trivial. 0 not checked. [2021-11-23 01:25:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:39,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:25:39,794 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:25:41,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17239 [2021-11-23 01:25:41,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:41,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 9047410 backedges. 7474 proven. 91065 refuted. 0 times theorem prover too weak. 8948871 trivial. 0 not checked. [2021-11-23 01:26:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:10,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:26:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:26:11,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9871 [2021-11-23 01:26:11,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:11,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2962912 backedges. 6175 proven. 50001 refuted. 0 times theorem prover too weak. 2906736 trivial. 0 not checked. [2021-11-23 01:26:22,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:26:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:26:22,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5826 [2021-11-23 01:26:22,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:22,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1030187 backedges. 4042 proven. 28889 refuted. 0 times theorem prover too weak. 997256 trivial. 0 not checked. [2021-11-23 01:26:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:26:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:26:26,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7706 [2021-11-23 01:26:26,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:26,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1804335 backedges. 4397 proven. 39346 refuted. 0 times theorem prover too weak. 1760592 trivial. 0 not checked. [2021-11-23 01:26:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:26:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:26:34,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14597 [2021-11-23 01:26:34,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:34,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6485523 backedges. 6900 proven. 76409 refuted. 0 times theorem prover too weak. 6402214 trivial. 0 not checked. [2021-11-23 01:26:56,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:56,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:26:56,676 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:26:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8114 [2021-11-23 01:26:56,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:56,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2000827 backedges. 4804 proven. 41277 refuted. 0 times theorem prover too weak. 1954746 trivial. 0 not checked. [2021-11-23 01:27:04,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:27:04,586 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:27:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8237 [2021-11-23 01:27:04,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2062047 backedges. 5329 proven. 41456 refuted. 0 times theorem prover too weak. 2015262 trivial. 0 not checked. [2021-11-23 01:27:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:27:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:27:12,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8768 [2021-11-23 01:27:12,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:12,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:20,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2337048 backedges. 5175 proven. 44652 refuted. 0 times theorem prover too weak. 2287221 trivial. 0 not checked. [2021-11-23 01:27:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:27:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:27:21,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11846 [2021-11-23 01:27:21,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:21,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:36,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4269317 backedges. 7451 proven. 60060 refuted. 0 times theorem prover too weak. 4201806 trivial. 0 not checked. [2021-11-23 01:27:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:27:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:27:36,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5431 [2021-11-23 01:27:36,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 894928 backedges. 3649 proven. 27015 refuted. 0 times theorem prover too weak. 864264 trivial. 0 not checked. [2021-11-23 01:27:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:27:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:27:40,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9585 [2021-11-23 01:27:40,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:40,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2793505 backedges. 4833 proven. 49696 refuted. 0 times theorem prover too weak. 2738976 trivial. 0 not checked. [2021-11-23 01:27:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:51,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:27:51,775 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:27:52,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10048 [2021-11-23 01:27:52,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:52,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3070256 backedges. 5905 proven. 51298 refuted. 0 times theorem prover too weak. 3013053 trivial. 0 not checked. [2021-11-23 01:28:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:28:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:28:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15305 [2021-11-23 01:28:04,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:04,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 7129845 backedges. 6870 proven. 80547 refuted. 0 times theorem prover too weak. 7042428 trivial. 0 not checked. [2021-11-23 01:28:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:28:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:28:28,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8005 [2021-11-23 01:28:28,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:28,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1947347 backedges. 4123 proven. 41338 refuted. 0 times theorem prover too weak. 1901886 trivial. 0 not checked. [2021-11-23 01:28:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:28:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:28:36,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9081 [2021-11-23 01:28:36,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:45,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2507025 backedges. 5726 proven. 45916 refuted. 0 times theorem prover too weak. 2455383 trivial. 0 not checked. [2021-11-23 01:28:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:28:45,683 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:28:46,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8659 [2021-11-23 01:28:46,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:46,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:54,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2279140 backedges. 4425 proven. 44782 refuted. 0 times theorem prover too weak. 2229933 trivial. 0 not checked. [2021-11-23 01:28:54,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:54,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 156 states and 347 transitions. [2021-11-23 01:28:54,753 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 01:28:56,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16885 [2021-11-23 01:28:56,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:56,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms