./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/seq-3.i --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_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/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_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/seq-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/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_aa972f83-fba7-497a-a8a5-0bd66cae82dc/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 6c770a3141edeab927df0da4e8c2152e1fb2e87b0c43a352500a7e3d3cff4533 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:45:24,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:45:24,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:45:24,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:45:24,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:45:24,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:45:24,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:45:24,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:45:24,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:45:24,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:45:24,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:45:24,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:45:24,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:45:24,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:45:24,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:45:24,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:45:24,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:45:24,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:45:24,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:45:24,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:45:24,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:45:24,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:45:24,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:45:24,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:45:24,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:45:24,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:45:24,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:45:24,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:45:24,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:45:24,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:45:24,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:45:24,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:45:24,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:45:24,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:45:24,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:45:24,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:45:24,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:45:24,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:45:24,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:45:24,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:45:24,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:45:24,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:45:24,884 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:45:24,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:45:24,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:45:24,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:45:24,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:45:24,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:45:24,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:45:24,889 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:45:24,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:45:24,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:45:24,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:45:24,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:45:24,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:45:24,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:45:24,896 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:45:24,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:45:24,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:45:24,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:45:24,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:45:24,897 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:45:24,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:45:24,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:45:24,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:45:24,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:45:24,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:45:24,898 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:45:24,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:45:24,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:45:24,899 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_aa972f83-fba7-497a-a8a5-0bd66cae82dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c770a3141edeab927df0da4e8c2152e1fb2e87b0c43a352500a7e3d3cff4533 [2021-11-23 01:45:25,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:45:25,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:45:25,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:45:25,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:45:25,237 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:45:25,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-invgen/seq-3.i [2021-11-23 01:45:25,309 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ/data/792c2acc5/934bceb1854543348e46cd9239adc7ae/FLAGcd866de09 [2021-11-23 01:45:25,755 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:45:25,755 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/sv-benchmarks/c/loop-invgen/seq-3.i [2021-11-23 01:45:25,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ/data/792c2acc5/934bceb1854543348e46cd9239adc7ae/FLAGcd866de09 [2021-11-23 01:45:26,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ/data/792c2acc5/934bceb1854543348e46cd9239adc7ae [2021-11-23 01:45:26,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:45:26,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:45:26,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:45:26,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:45:26,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:45:26,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a8673d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26, skipping insertion in model container [2021-11-23 01:45:26,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:45:26,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:45:26,341 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_aa972f83-fba7-497a-a8a5-0bd66cae82dc/sv-benchmarks/c/loop-invgen/seq-3.i[893,906] [2021-11-23 01:45:26,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:45:26,378 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:45:26,399 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_aa972f83-fba7-497a-a8a5-0bd66cae82dc/sv-benchmarks/c/loop-invgen/seq-3.i[893,906] [2021-11-23 01:45:26,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:45:26,435 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:45:26,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26 WrapperNode [2021-11-23 01:45:26,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:45:26,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:45:26,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:45:26,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:45:26,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,481 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-23 01:45:26,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:45:26,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:45:26,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:45:26,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:45:26,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:45:26,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:45:26,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:45:26,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:45:26,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:45:26,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:45:26,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:45:26,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa972f83-fba7-497a-a8a5-0bd66cae82dc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:45:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:45:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:45:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:45:26,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:45:26,654 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:45:26,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:45:26,841 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:45:26,862 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:45:26,862 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:45:26,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:26 BoogieIcfgContainer [2021-11-23 01:45:26,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:45:26,866 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:45:26,866 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:45:26,877 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:45:26,878 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:26" (1/1) ... [2021-11-23 01:45:26,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:45:26,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:26,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-23 01:45:26,943 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-23 01:45:26,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:45:26,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:26,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,198 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 01:45:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 15 states and 26 transitions. [2021-11-23 01:45:27,304 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 26 transitions. [2021-11-23 01:45:27,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:45:27,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 42 transitions. [2021-11-23 01:45:27,890 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 42 transitions. [2021-11-23 01:45:27,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:45:27,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2021-11-23 01:45:28,029 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2021-11-23 01:45:28,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:45:28,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:28,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2021-11-23 01:45:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2021-11-23 01:45:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:45:28,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:29,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:29,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 45 transitions. [2021-11-23 01:45:29,305 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 45 transitions. [2021-11-23 01:45:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:45:29,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:29,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:30,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 27 states and 56 transitions. [2021-11-23 01:45:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 56 transitions. [2021-11-23 01:45:30,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:45:30,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:30,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:30,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 26 states and 51 transitions. [2021-11-23 01:45:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 51 transitions. [2021-11-23 01:45:30,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:45:30,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:30,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2021-11-23 01:45:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2021-11-23 01:45:31,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:45:31,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:31,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:32,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2021-11-23 01:45:32,819 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2021-11-23 01:45:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:45:32,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:32,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:33,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 35 states and 70 transitions. [2021-11-23 01:45:33,327 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 70 transitions. [2021-11-23 01:45:33,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:45:33,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,409 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:34,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:34,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 39 states and 84 transitions. [2021-11-23 01:45:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 84 transitions. [2021-11-23 01:45:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:45:34,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:34,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:34,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 38 states and 78 transitions. [2021-11-23 01:45:34,455 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 78 transitions. [2021-11-23 01:45:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:45:34,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:34,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 39 states and 79 transitions. [2021-11-23 01:45:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 79 transitions. [2021-11-23 01:45:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:45:35,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:35,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:35,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2021-11-23 01:45:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2021-11-23 01:45:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:45:35,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:35,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:37,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 97 transitions. [2021-11-23 01:45:37,570 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2021-11-23 01:45:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:45:37,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:37,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2021-11-23 01:45:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2021-11-23 01:45:38,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:38,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:38,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 54 states and 119 transitions. [2021-11-23 01:45:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 119 transitions. [2021-11-23 01:45:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:39,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:39,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:39,255 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:39,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:39,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 55 states and 120 transitions. [2021-11-23 01:45:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 120 transitions. [2021-11-23 01:45:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:45:39,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:39,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 54 states and 113 transitions. [2021-11-23 01:45:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2021-11-23 01:45:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:45:40,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:40,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:41,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:41,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 116 transitions. [2021-11-23 01:45:41,025 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2021-11-23 01:45:41,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:45:41,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:41,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 60 states and 119 transitions. [2021-11-23 01:45:41,743 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 119 transitions. [2021-11-23 01:45:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:45:41,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:41,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:43,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 67 states and 135 transitions. [2021-11-23 01:45:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 135 transitions. [2021-11-23 01:45:43,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:45:43,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:43,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 68 states and 136 transitions. [2021-11-23 01:45:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 136 transitions. [2021-11-23 01:45:44,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:45:44,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:44,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:45,115 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 69 states and 142 transitions. [2021-11-23 01:45:45,619 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 142 transitions. [2021-11-23 01:45:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:45:45,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:45,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:45,760 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:46,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 160 transitions. [2021-11-23 01:45:46,991 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 160 transitions. [2021-11-23 01:45:46,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:45:46,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:46,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:47,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 76 states and 163 transitions. [2021-11-23 01:45:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 163 transitions. [2021-11-23 01:45:47,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:45:47,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:47,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:48,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:48,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 75 states and 155 transitions. [2021-11-23 01:45:48,212 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 155 transitions. [2021-11-23 01:45:48,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:45:48,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:48,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:49,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 78 states and 158 transitions. [2021-11-23 01:45:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 158 transitions. [2021-11-23 01:45:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:45:49,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:49,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 27 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2021-11-23 01:45:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2021-11-23 01:45:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:45:50,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:50,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:52,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:52,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 88 states and 178 transitions. [2021-11-23 01:45:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 178 transitions. [2021-11-23 01:45:52,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:45:52,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:52,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:52,998 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:53,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:53,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 91 states and 181 transitions. [2021-11-23 01:45:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 181 transitions. [2021-11-23 01:45:53,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:45:53,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:53,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:54,226 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:54,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:54,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 92 states and 188 transitions. [2021-11-23 01:45:54,928 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 188 transitions. [2021-11-23 01:45:54,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:45:54,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:54,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:55,099 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 96 states and 207 transitions. [2021-11-23 01:45:56,511 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 207 transitions. [2021-11-23 01:45:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:45:56,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:56,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:57,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:57,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 99 states and 210 transitions. [2021-11-23 01:45:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 210 transitions. [2021-11-23 01:45:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:45:57,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:57,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:57,729 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:58,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 98 states and 201 transitions. [2021-11-23 01:45:58,140 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 201 transitions. [2021-11-23 01:45:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:45:58,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:58,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:58,195 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 41 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:59,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:59,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 101 states and 204 transitions. [2021-11-23 01:45:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 204 transitions. [2021-11-23 01:45:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:45:59,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:59,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:59,246 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:00,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2021-11-23 01:46:00,302 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2021-11-23 01:46:00,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:46:00,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:00,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 111 states and 225 transitions. [2021-11-23 01:46:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 225 transitions. [2021-11-23 01:46:03,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:46:03,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:03,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 58 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:05,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 114 states and 228 transitions. [2021-11-23 01:46:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 228 transitions. [2021-11-23 01:46:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:46:05,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:05,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 115 states and 236 transitions. [2021-11-23 01:46:06,345 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 236 transitions. [2021-11-23 01:46:06,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:46:06,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:06,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 119 states and 256 transitions. [2021-11-23 01:46:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 256 transitions. [2021-11-23 01:46:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:46:08,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 58 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 122 states and 259 transitions. [2021-11-23 01:46:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 259 transitions. [2021-11-23 01:46:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:46:09,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:09,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:09,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:09,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 121 states and 249 transitions. [2021-11-23 01:46:09,905 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 249 transitions. [2021-11-23 01:46:09,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:46:09,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:09,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 58 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 124 states and 252 transitions. [2021-11-23 01:46:11,117 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 252 transitions. [2021-11-23 01:46:11,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:46:11,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:11,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:11,162 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 58 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:12,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:12,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 127 states and 255 transitions. [2021-11-23 01:46:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 255 transitions. [2021-11-23 01:46:12,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:46:12,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:12,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:13,105 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:16,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 134 states and 274 transitions. [2021-11-23 01:46:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 274 transitions. [2021-11-23 01:46:16,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:46:16,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:16,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 137 states and 277 transitions. [2021-11-23 01:46:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 277 transitions. [2021-11-23 01:46:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:46:17,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:17,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 58 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:19,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:19,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 138 states and 286 transitions. [2021-11-23 01:46:19,128 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 286 transitions. [2021-11-23 01:46:19,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:46:19,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:19,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:21,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 142 states and 307 transitions. [2021-11-23 01:46:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 307 transitions. [2021-11-23 01:46:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:46:21,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:21,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:22,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:22,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 145 states and 310 transitions. [2021-11-23 01:46:22,664 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 310 transitions. [2021-11-23 01:46:22,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:46:22,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:22,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:22,703 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 144 states and 299 transitions. [2021-11-23 01:46:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 299 transitions. [2021-11-23 01:46:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:46:23,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:23,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:23,458 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 78 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:24,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 147 states and 302 transitions. [2021-11-23 01:46:24,894 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 302 transitions. [2021-11-23 01:46:24,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:46:24,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:24,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 78 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 150 states and 305 transitions. [2021-11-23 01:46:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 305 transitions. [2021-11-23 01:46:26,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:46:26,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:26,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 157 states and 325 transitions. [2021-11-23 01:46:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 325 transitions. [2021-11-23 01:46:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:46:31,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:31,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 101 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 160 states and 328 transitions. [2021-11-23 01:46:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 328 transitions. [2021-11-23 01:46:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:46:32,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:32,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:33,185 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 161 states and 338 transitions. [2021-11-23 01:46:34,372 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 338 transitions. [2021-11-23 01:46:34,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:46:34,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:34,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 45 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:37,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 165 states and 360 transitions. [2021-11-23 01:46:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 360 transitions. [2021-11-23 01:46:37,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:46:37,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:37,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 101 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:38,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:38,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 168 states and 363 transitions. [2021-11-23 01:46:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 363 transitions. [2021-11-23 01:46:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:46:38,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:38,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 45 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:39,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:39,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 167 states and 351 transitions. [2021-11-23 01:46:39,498 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 351 transitions. [2021-11-23 01:46:39,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:46:39,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:39,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 101 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:41,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 170 states and 354 transitions. [2021-11-23 01:46:41,494 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 354 transitions. [2021-11-23 01:46:41,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:46:41,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:41,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 101 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:43,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:43,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 173 states and 357 transitions. [2021-11-23 01:46:43,399 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 357 transitions. [2021-11-23 01:46:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:46:43,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:43,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 180 states and 378 transitions. [2021-11-23 01:46:48,952 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 378 transitions. [2021-11-23 01:46:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:46:48,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:48,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:49,002 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 127 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:50,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 183 states and 381 transitions. [2021-11-23 01:46:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 381 transitions. [2021-11-23 01:46:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:46:50,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:50,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:52,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:52,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 184 states and 392 transitions. [2021-11-23 01:46:52,577 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 392 transitions. [2021-11-23 01:46:52,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:46:52,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:52,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 55 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 188 states and 415 transitions. [2021-11-23 01:46:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 415 transitions. [2021-11-23 01:46:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:46:55,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:55,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:55,423 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 127 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 191 states and 418 transitions. [2021-11-23 01:46:57,188 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 418 transitions. [2021-11-23 01:46:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:46:57,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:57,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:57,233 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 55 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 190 states and 405 transitions. [2021-11-23 01:46:58,011 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 405 transitions. [2021-11-23 01:46:58,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:46:58,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:58,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:58,067 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 127 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 193 states and 408 transitions. [2021-11-23 01:46:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 408 transitions. [2021-11-23 01:46:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:46:59,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:59,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:59,961 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 127 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:01,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:01,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 196 states and 411 transitions. [2021-11-23 01:47:01,854 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 411 transitions. [2021-11-23 01:47:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:47:01,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:01,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:08,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:08,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 203 states and 433 transitions. [2021-11-23 01:47:08,033 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 433 transitions. [2021-11-23 01:47:08,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:47:08,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:08,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:08,086 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:09,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:09,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 206 states and 436 transitions. [2021-11-23 01:47:09,878 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 436 transitions. [2021-11-23 01:47:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:47:09,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:09,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 127 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 207 states and 448 transitions. [2021-11-23 01:47:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 448 transitions. [2021-11-23 01:47:12,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:47:12,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:12,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 66 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 211 states and 472 transitions. [2021-11-23 01:47:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 472 transitions. [2021-11-23 01:47:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:47:15,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:15,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 156 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:17,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:17,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 214 states and 475 transitions. [2021-11-23 01:47:17,437 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 475 transitions. [2021-11-23 01:47:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:47:17,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:17,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 66 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:18,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:18,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 213 states and 461 transitions. [2021-11-23 01:47:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 461 transitions. [2021-11-23 01:47:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:47:18,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:18,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:18,357 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 156 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 216 states and 464 transitions. [2021-11-23 01:47:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 464 transitions. [2021-11-23 01:47:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:47:20,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:20,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 156 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:22,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:22,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 219 states and 467 transitions. [2021-11-23 01:47:22,646 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 467 transitions. [2021-11-23 01:47:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:47:22,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:22,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 226 states and 490 transitions. [2021-11-23 01:47:29,389 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 490 transitions. [2021-11-23 01:47:29,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:47:29,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 188 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:31,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 229 states and 493 transitions. [2021-11-23 01:47:31,411 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 493 transitions. [2021-11-23 01:47:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:47:31,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 156 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 230 states and 506 transitions. [2021-11-23 01:47:33,883 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 506 transitions. [2021-11-23 01:47:33,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:47:33,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:33,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:34,257 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 78 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 234 states and 531 transitions. [2021-11-23 01:47:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 531 transitions. [2021-11-23 01:47:37,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:47:37,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:37,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 188 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:39,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:39,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 237 states and 534 transitions. [2021-11-23 01:47:39,691 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 534 transitions. [2021-11-23 01:47:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:47:39,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:39,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 78 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:40,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 236 states and 519 transitions. [2021-11-23 01:47:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 519 transitions. [2021-11-23 01:47:40,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:47:40,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:40,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 188 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:43,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 239 states and 522 transitions. [2021-11-23 01:47:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 522 transitions. [2021-11-23 01:47:43,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:47:43,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:43,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 188 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 242 states and 525 transitions. [2021-11-23 01:47:45,246 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 525 transitions. [2021-11-23 01:47:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:47:45,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:45,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 188 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 249 states and 549 transitions. [2021-11-23 01:47:52,723 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 549 transitions. [2021-11-23 01:47:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:47:52,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:52,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 223 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 252 states and 552 transitions. [2021-11-23 01:47:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 552 transitions. [2021-11-23 01:47:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:47:55,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:55,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 188 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:57,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:57,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 253 states and 566 transitions. [2021-11-23 01:47:57,782 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 566 transitions. [2021-11-23 01:47:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:47:57,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:57,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 91 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:01,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 257 states and 592 transitions. [2021-11-23 01:48:01,848 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 592 transitions. [2021-11-23 01:48:01,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:48:01,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:01,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 260 states and 595 transitions. [2021-11-23 01:48:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 595 transitions. [2021-11-23 01:48:04,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:48:04,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:04,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 91 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:05,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 259 states and 579 transitions. [2021-11-23 01:48:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 579 transitions. [2021-11-23 01:48:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:48:05,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:05,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 223 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 262 states and 582 transitions. [2021-11-23 01:48:07,880 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 582 transitions. [2021-11-23 01:48:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:48:07,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:07,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:07,943 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 223 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 265 states and 585 transitions. [2021-11-23 01:48:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 585 transitions. [2021-11-23 01:48:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:48:10,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:10,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 223 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:18,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 272 states and 610 transitions. [2021-11-23 01:48:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 610 transitions. [2021-11-23 01:48:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:48:18,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:18,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 261 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 275 states and 613 transitions. [2021-11-23 01:48:21,047 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 613 transitions. [2021-11-23 01:48:21,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:48:21,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:21,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 223 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:23,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 276 states and 628 transitions. [2021-11-23 01:48:23,868 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 628 transitions. [2021-11-23 01:48:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:48:23,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:23,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 105 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:28,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:28,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 280 states and 655 transitions. [2021-11-23 01:48:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 655 transitions. [2021-11-23 01:48:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:48:28,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:28,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 261 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:30,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:30,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 283 states and 658 transitions. [2021-11-23 01:48:30,849 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 658 transitions. [2021-11-23 01:48:30,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:48:30,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:30,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:30,915 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 105 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 282 states and 641 transitions. [2021-11-23 01:48:32,007 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 641 transitions. [2021-11-23 01:48:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:48:32,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:32,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 261 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:34,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:34,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 285 states and 644 transitions. [2021-11-23 01:48:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 644 transitions. [2021-11-23 01:48:34,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:48:34,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:34,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 261 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:37,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 288 states and 647 transitions. [2021-11-23 01:48:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 647 transitions. [2021-11-23 01:48:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:48:37,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:37,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 261 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 295 states and 673 transitions. [2021-11-23 01:48:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 673 transitions. [2021-11-23 01:48:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:48:46,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:46,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:46,530 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 302 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:49,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:49,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 298 states and 676 transitions. [2021-11-23 01:48:49,166 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 676 transitions. [2021-11-23 01:48:49,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:48:49,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:49,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 261 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:52,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:52,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 299 states and 692 transitions. [2021-11-23 01:48:52,613 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 692 transitions. [2021-11-23 01:48:52,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:48:52,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:52,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:53,122 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 120 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:57,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 303 states and 720 transitions. [2021-11-23 01:48:57,456 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 720 transitions. [2021-11-23 01:48:57,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:48:57,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:57,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 302 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:01,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:01,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 306 states and 723 transitions. [2021-11-23 01:49:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 723 transitions. [2021-11-23 01:49:01,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:49:01,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:01,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 120 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 305 states and 705 transitions. [2021-11-23 01:49:02,424 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 705 transitions. [2021-11-23 01:49:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:49:02,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:02,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 302 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:05,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:05,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 308 states and 708 transitions. [2021-11-23 01:49:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 708 transitions. [2021-11-23 01:49:05,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:49:05,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:05,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 302 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:08,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 311 states and 711 transitions. [2021-11-23 01:49:08,378 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 711 transitions. [2021-11-23 01:49:08,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:49:08,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:08,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:09,997 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 302 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:18,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 318 states and 738 transitions. [2021-11-23 01:49:18,141 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 738 transitions. [2021-11-23 01:49:18,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:49:18,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:18,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 346 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:21,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 321 states and 741 transitions. [2021-11-23 01:49:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 741 transitions. [2021-11-23 01:49:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:49:21,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:21,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 302 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:25,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 322 states and 758 transitions. [2021-11-23 01:49:25,237 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 758 transitions. [2021-11-23 01:49:25,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:49:25,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:25,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 136 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 326 states and 787 transitions. [2021-11-23 01:49:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 787 transitions. [2021-11-23 01:49:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:49:30,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:30,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 346 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:33,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:33,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 329 states and 790 transitions. [2021-11-23 01:49:33,632 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 790 transitions. [2021-11-23 01:49:33,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:49:33,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:33,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 136 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 328 states and 771 transitions. [2021-11-23 01:49:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 771 transitions. [2021-11-23 01:49:35,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:49:35,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:35,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 346 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 331 states and 774 transitions. [2021-11-23 01:49:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 774 transitions. [2021-11-23 01:49:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:49:38,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:38,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 346 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 334 states and 777 transitions. [2021-11-23 01:49:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 777 transitions. [2021-11-23 01:49:41,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:49:41,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:41,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:43,201 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 346 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:53,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 341 states and 805 transitions. [2021-11-23 01:49:53,253 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 805 transitions. [2021-11-23 01:49:53,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:49:53,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:53,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 393 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:56,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 344 states and 808 transitions. [2021-11-23 01:49:56,879 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 808 transitions. [2021-11-23 01:49:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:49:56,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:56,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 346 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 345 states and 826 transitions. [2021-11-23 01:50:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 826 transitions. [2021-11-23 01:50:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:50:00,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:00,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 153 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 349 states and 856 transitions. [2021-11-23 01:50:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 856 transitions. [2021-11-23 01:50:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:50:05,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:05,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:05,883 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 393 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 352 states and 859 transitions. [2021-11-23 01:50:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 859 transitions. [2021-11-23 01:50:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:50:09,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:09,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 153 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:10,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 351 states and 839 transitions. [2021-11-23 01:50:10,553 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 839 transitions. [2021-11-23 01:50:10,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:50:10,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:10,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 393 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:13,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:13,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 354 states and 842 transitions. [2021-11-23 01:50:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 842 transitions. [2021-11-23 01:50:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:50:13,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:13,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 393 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:17,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:17,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 357 states and 845 transitions. [2021-11-23 01:50:17,049 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 845 transitions. [2021-11-23 01:50:17,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:50:17,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:17,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 393 proven. 202 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 364 states and 874 transitions. [2021-11-23 01:50:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 874 transitions. [2021-11-23 01:50:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:50:27,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:27,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 443 proven. 157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 367 states and 877 transitions. [2021-11-23 01:50:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 877 transitions. [2021-11-23 01:50:30,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:50:30,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:30,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 393 proven. 202 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 368 states and 896 transitions. [2021-11-23 01:50:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 896 transitions. [2021-11-23 01:50:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:50:34,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:34,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 171 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:40,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 372 states and 927 transitions. [2021-11-23 01:50:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 927 transitions. [2021-11-23 01:50:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:50:40,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:40,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:40,408 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 443 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:43,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 375 states and 930 transitions. [2021-11-23 01:50:43,846 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 930 transitions. [2021-11-23 01:50:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:50:43,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:43,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 171 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:45,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:45,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 374 states and 909 transitions. [2021-11-23 01:50:45,535 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 909 transitions. [2021-11-23 01:50:45,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:50:45,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:45,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 443 proven. 188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:49,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 377 states and 912 transitions. [2021-11-23 01:50:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 912 transitions. [2021-11-23 01:50:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:50:49,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:49,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 443 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 380 states and 915 transitions. [2021-11-23 01:50:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 915 transitions. [2021-11-23 01:50:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:50:52,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:52,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 443 proven. 223 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 387 states and 945 transitions. [2021-11-23 01:51:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 945 transitions. [2021-11-23 01:51:04,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:51:04,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:04,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 496 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:08,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 390 states and 948 transitions. [2021-11-23 01:51:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 948 transitions. [2021-11-23 01:51:08,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:51:08,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:08,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 443 proven. 223 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 391 states and 968 transitions. [2021-11-23 01:51:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 968 transitions. [2021-11-23 01:51:12,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:51:12,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:12,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:13,108 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 190 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:18,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:18,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 395 states and 1000 transitions. [2021-11-23 01:51:18,369 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 1000 transitions. [2021-11-23 01:51:18,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:51:18,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:18,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:18,435 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 496 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:22,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 398 states and 1003 transitions. [2021-11-23 01:51:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 1003 transitions. [2021-11-23 01:51:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:51:22,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:22,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 190 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 397 states and 981 transitions. [2021-11-23 01:51:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 981 transitions. [2021-11-23 01:51:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:51:23,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:23,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 496 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:27,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:27,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 400 states and 984 transitions. [2021-11-23 01:51:27,501 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 984 transitions. [2021-11-23 01:51:27,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 01:51:27,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:27,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:27,581 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 496 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:31,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:31,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 403 states and 987 transitions. [2021-11-23 01:51:31,207 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 987 transitions. [2021-11-23 01:51:31,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:51:31,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:31,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 496 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 410 states and 1018 transitions. [2021-11-23 01:51:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 1018 transitions. [2021-11-23 01:51:43,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:51:43,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:43,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:43,820 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 552 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:47,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 413 states and 1021 transitions. [2021-11-23 01:51:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 1021 transitions. [2021-11-23 01:51:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:51:47,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:47,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:48,761 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 496 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 414 states and 1042 transitions. [2021-11-23 01:51:51,603 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1042 transitions. [2021-11-23 01:51:51,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:51:51,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:51,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:52,154 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 210 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:57,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 418 states and 1075 transitions. [2021-11-23 01:51:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1075 transitions. [2021-11-23 01:51:57,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:51:57,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:57,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:57,855 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 552 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:01,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 421 states and 1078 transitions. [2021-11-23 01:52:01,608 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1078 transitions. [2021-11-23 01:52:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:52:01,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:01,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:01,682 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 210 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:03,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:03,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 420 states and 1055 transitions. [2021-11-23 01:52:03,313 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1055 transitions. [2021-11-23 01:52:03,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:52:03,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:03,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 552 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:07,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 423 states and 1058 transitions. [2021-11-23 01:52:07,196 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1058 transitions. [2021-11-23 01:52:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:52:07,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:07,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 552 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:10,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 426 states and 1061 transitions. [2021-11-23 01:52:10,917 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1061 transitions. [2021-11-23 01:52:10,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:52:10,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:10,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 552 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:24,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:24,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 433 states and 1093 transitions. [2021-11-23 01:52:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 1093 transitions. [2021-11-23 01:52:24,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:52:24,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:24,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:24,151 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 611 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:27,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 436 states and 1096 transitions. [2021-11-23 01:52:27,933 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1096 transitions. [2021-11-23 01:52:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:52:27,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:27,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 552 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:32,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 437 states and 1118 transitions. [2021-11-23 01:52:32,632 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 1118 transitions. [2021-11-23 01:52:32,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:52:32,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:32,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 231 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:39,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 441 states and 1152 transitions. [2021-11-23 01:52:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1152 transitions. [2021-11-23 01:52:39,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:52:39,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:39,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 611 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:43,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 444 states and 1155 transitions. [2021-11-23 01:52:43,384 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 1155 transitions. [2021-11-23 01:52:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:52:43,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:43,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 231 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:45,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:45,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 443 states and 1131 transitions. [2021-11-23 01:52:45,091 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1131 transitions. [2021-11-23 01:52:45,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:52:45,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:45,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:45,179 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 611 proven. 251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:49,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 446 states and 1134 transitions. [2021-11-23 01:52:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1134 transitions. [2021-11-23 01:52:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:52:49,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:49,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:49,445 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 611 proven. 271 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 449 states and 1137 transitions. [2021-11-23 01:52:53,431 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 1137 transitions. [2021-11-23 01:52:53,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:52:53,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:53,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:55,603 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 611 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 456 states and 1170 transitions. [2021-11-23 01:53:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1170 transitions. [2021-11-23 01:53:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:53:07,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:07,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:07,331 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 673 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:11,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:11,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 459 states and 1173 transitions. [2021-11-23 01:53:11,324 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1173 transitions. [2021-11-23 01:53:11,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:53:11,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:11,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:13,040 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 611 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 460 states and 1196 transitions. [2021-11-23 01:53:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 1196 transitions. [2021-11-23 01:53:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:53:16,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:16,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:17,061 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 253 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:23,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:23,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 464 states and 1231 transitions. [2021-11-23 01:53:23,306 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1231 transitions. [2021-11-23 01:53:23,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:53:23,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:23,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 673 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:27,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 467 states and 1234 transitions. [2021-11-23 01:53:27,554 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1234 transitions. [2021-11-23 01:53:27,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:53:27,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:27,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 253 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:29,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 466 states and 1209 transitions. [2021-11-23 01:53:29,510 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1209 transitions. [2021-11-23 01:53:29,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 01:53:29,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:29,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:29,593 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 673 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 469 states and 1212 transitions. [2021-11-23 01:53:33,813 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1212 transitions. [2021-11-23 01:53:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:53:33,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:33,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 673 proven. 295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 472 states and 1215 transitions. [2021-11-23 01:53:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1215 transitions. [2021-11-23 01:53:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 01:53:38,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:38,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:40,618 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 673 proven. 317 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:53,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:53,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 479 states and 1249 transitions. [2021-11-23 01:53:53,474 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1249 transitions. [2021-11-23 01:53:53,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 01:53:53,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:53,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 738 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:58,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:58,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 482 states and 1252 transitions. [2021-11-23 01:53:58,052 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1252 transitions. [2021-11-23 01:53:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 01:53:58,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:58,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 673 proven. 317 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:03,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 483 states and 1276 transitions. [2021-11-23 01:54:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1276 transitions. [2021-11-23 01:54:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:54:03,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:03,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:04,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 276 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:10,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 487 states and 1312 transitions. [2021-11-23 01:54:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1312 transitions. [2021-11-23 01:54:10,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:54:10,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:10,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:10,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 738 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:15,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 490 states and 1315 transitions. [2021-11-23 01:54:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1315 transitions. [2021-11-23 01:54:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:54:15,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:15,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 276 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:17,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 489 states and 1289 transitions. [2021-11-23 01:54:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1289 transitions. [2021-11-23 01:54:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 01:54:17,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:17,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 738 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 492 states and 1292 transitions. [2021-11-23 01:54:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 1292 transitions. [2021-11-23 01:54:21,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:54:21,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:21,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:21,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 738 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:26,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:26,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 495 states and 1295 transitions. [2021-11-23 01:54:26,420 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1295 transitions. [2021-11-23 01:54:26,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:54:26,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:26,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 738 proven. 343 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:42,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:42,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 502 states and 1330 transitions. [2021-11-23 01:54:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1330 transitions. [2021-11-23 01:54:42,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:54:42,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:42,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:42,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1086 backedges. 806 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 505 states and 1333 transitions. [2021-11-23 01:54:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1333 transitions. [2021-11-23 01:54:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:54:46,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:46,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 738 proven. 343 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 506 states and 1358 transitions. [2021-11-23 01:54:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1358 transitions. [2021-11-23 01:54:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:54:52,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:52,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 300 proven. 805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:59,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 510 states and 1395 transitions. [2021-11-23 01:54:59,896 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1395 transitions. [2021-11-23 01:54:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:54:59,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:59,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 806 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:04,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 513 states and 1398 transitions. [2021-11-23 01:55:04,591 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1398 transitions. [2021-11-23 01:55:04,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:55:04,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:04,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 300 proven. 805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:06,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:06,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 512 states and 1371 transitions. [2021-11-23 01:55:06,757 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1371 transitions. [2021-11-23 01:55:06,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:55:06,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:06,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 806 proven. 323 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 515 states and 1374 transitions. [2021-11-23 01:55:11,471 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1374 transitions. [2021-11-23 01:55:11,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:55:11,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:11,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:11,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 806 proven. 346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:16,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 518 states and 1377 transitions. [2021-11-23 01:55:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1377 transitions. [2021-11-23 01:55:16,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 01:55:16,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:16,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 806 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 525 states and 1413 transitions. [2021-11-23 01:55:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1413 transitions. [2021-11-23 01:55:32,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 01:55:32,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:32,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:32,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 877 proven. 304 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:37,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 528 states and 1416 transitions. [2021-11-23 01:55:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 1416 transitions. [2021-11-23 01:55:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 01:55:37,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:37,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 806 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:43,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:43,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 529 states and 1442 transitions. [2021-11-23 01:55:43,345 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1442 transitions. [2021-11-23 01:55:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:55:43,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:43,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:44,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 325 proven. 876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:51,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 533 states and 1480 transitions. [2021-11-23 01:55:51,433 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 1480 transitions. [2021-11-23 01:55:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:55:51,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:51,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 877 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:56,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:56,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 536 states and 1483 transitions. [2021-11-23 01:55:56,468 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1483 transitions. [2021-11-23 01:55:56,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:55:56,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:56,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:56,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 325 proven. 876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:55:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:58,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 535 states and 1455 transitions. [2021-11-23 01:55:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1455 transitions. [2021-11-23 01:55:58,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 01:55:58,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:58,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 877 proven. 349 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:03,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 538 states and 1458 transitions. [2021-11-23 01:56:03,473 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1458 transitions. [2021-11-23 01:56:03,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 01:56:03,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:03,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 877 proven. 373 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 541 states and 1461 transitions. [2021-11-23 01:56:08,602 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1461 transitions. [2021-11-23 01:56:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:56:08,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:08,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 877 proven. 398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:25,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 548 states and 1498 transitions. [2021-11-23 01:56:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1498 transitions. [2021-11-23 01:56:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:56:25,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:25,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 951 proven. 329 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:30,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 551 states and 1501 transitions. [2021-11-23 01:56:30,783 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1501 transitions. [2021-11-23 01:56:30,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:56:30,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:30,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 877 proven. 398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.