./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/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_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:36:00,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:36:00,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:36:00,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:36:00,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:36:00,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:36:00,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:36:00,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:36:00,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:36:00,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:36:00,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:36:00,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:36:00,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:36:00,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:36:00,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:36:00,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:36:00,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:36:00,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:36:00,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:36:00,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:36:00,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:36:00,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:36:00,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:36:00,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:36:00,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:36:00,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:36:00,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:36:00,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:36:00,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:36:00,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:36:00,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:36:00,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:36:00,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:36:00,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:36:00,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:36:00,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:36:00,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:36:00,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:36:00,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:36:00,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:36:00,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:36:00,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:36:00,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:36:00,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:36:00,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:36:00,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:36:00,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:36:00,231 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:36:00,231 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:36:00,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:36:00,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:36:00,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:36:00,239 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:36:00,239 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:36:00,240 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:36:00,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:36:00,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:36:00,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:36:00,241 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:36:00,241 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:36:00,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:36:00,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:36:00,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:36:00,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:36:00,242 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:36:00,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:36:00,242 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_56dac912-fb2d-4138-b8e7-f83d87070cbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 [2021-11-23 01:36:00,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:36:00,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:36:00,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:36:00,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:36:00,607 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:36:00,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2021-11-23 01:36:00,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/data/217925288/c1552af116b747f882b3071dfb25943c/FLAG07904a182 [2021-11-23 01:36:01,264 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:36:01,269 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2021-11-23 01:36:01,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/data/217925288/c1552af116b747f882b3071dfb25943c/FLAG07904a182 [2021-11-23 01:36:01,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/data/217925288/c1552af116b747f882b3071dfb25943c [2021-11-23 01:36:01,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:36:01,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:36:01,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:36:01,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:36:01,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:36:01,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:01" (1/1) ... [2021-11-23 01:36:01,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5a7a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:01, skipping insertion in model container [2021-11-23 01:36:01,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:01" (1/1) ... [2021-11-23 01:36:01,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:36:01,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:36:02,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:36:02,033 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:36:02,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:36:02,140 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:36:02,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:02 WrapperNode [2021-11-23 01:36:02,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:36:02,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:36:02,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:36:02,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:36:02,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:02" (1/1) ... [2021-11-23 01:36:02,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:02" (1/1) ... [2021-11-23 01:36:02,217 INFO L137 Inliner]: procedures = 115, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2021-11-23 01:36:02,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:36:02,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:36:02,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:36:02,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:36:02,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:02" (1/1) ... [2021-11-23 01:36:02,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:02" (1/1) ... [2021-11-23 01:36:02,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:02" (1/1) ... [2021-11-23 01:36:02,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:02" (1/1) ... [2021-11-23 01:36:02,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:02" (1/1) ... [2021-11-23 01:36:02,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:02" (1/1) ... [2021-11-23 01:36:02,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:02" (1/1) ... [2021-11-23 01:36:02,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:36:02,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:36:02,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:36:02,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:36:02,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:02" (1/1) ... [2021-11-23 01:36:02,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:36:02,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:36:02,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:36:02,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dac912-fb2d-4138-b8e7-f83d87070cbe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:36:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:36:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:36:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:36:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:36:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:36:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:36:02,488 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:36:02,491 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:36:02,750 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:36:02,795 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:36:02,796 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:36:02,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:02 BoogieIcfgContainer [2021-11-23 01:36:02,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:36:02,799 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:36:02,800 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:36:02,810 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:36:02,811 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:02" (1/1) ... [2021-11-23 01:36:02,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:36:02,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-11-23 01:36:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-23 01:36:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:36:02,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:02,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:03,059 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 01:36:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-11-23 01:36:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-23 01:36:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:36:03,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:03,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:03,139 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 01:36:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-23 01:36:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-23 01:36:03,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:36:03,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:03,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:03,445 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 01:36:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:04,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-11-23 01:36:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-23 01:36:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:36:04,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:04,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:04,109 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 01:36:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2021-11-23 01:36:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-11-23 01:36:04,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:36:04,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:04,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:04,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:05,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2021-11-23 01:36:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2021-11-23 01:36:05,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:36:05,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:05,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:05,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:05,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:05,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-11-23 01:36:05,739 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-11-23 01:36:05,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:36:05,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:05,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:05,767 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 01:36:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2021-11-23 01:36:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2021-11-23 01:36:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:36:05,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:05,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:06,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2021-11-23 01:36:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2021-11-23 01:36:07,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:36:07,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-23 01:36:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-23 01:36:07,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:36:07,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,589 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 01:36:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-11-23 01:36:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-11-23 01:36:07,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:36:07,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-23 01:36:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-23 01:36:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:36:07,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2021-11-23 01:36:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-11-23 01:36:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:36:09,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:09,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2021-11-23 01:36:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2021-11-23 01:36:09,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:36:09,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:09,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:09,215 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 01:36:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2021-11-23 01:36:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2021-11-23 01:36:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:36:09,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:09,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:09,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:09,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2021-11-23 01:36:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-11-23 01:36:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:36:09,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:09,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-11-23 01:36:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-11-23 01:36:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:36:11,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:11,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:12,068 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 01:36:13,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2021-11-23 01:36:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2021-11-23 01:36:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:36:13,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:13,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:13,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:14,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:14,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2021-11-23 01:36:14,158 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2021-11-23 01:36:14,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:14,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:14,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2021-11-23 01:36:16,475 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2021-11-23 01:36:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:16,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:16,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:16,499 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:36:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2021-11-23 01:36:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-23 01:36:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:16,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:16,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:16,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2021-11-23 01:36:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2021-11-23 01:36:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:18,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:18,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:19,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2021-11-23 01:36:19,859 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2021-11-23 01:36:19,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:36:19,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:19,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:36:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2021-11-23 01:36:20,182 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2021-11-23 01:36:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:36:20,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:20,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:20,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:21,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2021-11-23 01:36:21,276 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2021-11-23 01:36:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:36:21,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:21,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:21,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:36:21,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:21,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2021-11-23 01:36:21,519 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2021-11-23 01:36:21,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:36:21,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:21,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:25,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 118 transitions. [2021-11-23 01:36:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2021-11-23 01:36:25,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:36:25,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:25,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:36:26,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2021-11-23 01:36:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2021-11-23 01:36:26,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:36:26,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:26,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:26,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:26,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2021-11-23 01:36:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2021-11-23 01:36:26,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:36:26,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:26,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:26,990 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:28,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 73 states and 121 transitions. [2021-11-23 01:36:28,199 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 121 transitions. [2021-11-23 01:36:28,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:36:28,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:28,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:30,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:30,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 133 transitions. [2021-11-23 01:36:30,091 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 133 transitions. [2021-11-23 01:36:30,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:36:30,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:30,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 87 states and 154 transitions. [2021-11-23 01:36:34,339 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 154 transitions. [2021-11-23 01:36:34,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:36:34,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:34,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:36,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 94 states and 170 transitions. [2021-11-23 01:36:36,077 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 170 transitions. [2021-11-23 01:36:36,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:36:36,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:36,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:36:36,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 96 states and 173 transitions. [2021-11-23 01:36:36,367 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 173 transitions. [2021-11-23 01:36:36,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:36:36,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:36,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:36,396 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 98 states and 174 transitions. [2021-11-23 01:36:36,426 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 174 transitions. [2021-11-23 01:36:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:36:36,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:36,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:36:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:36,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 100 states and 175 transitions. [2021-11-23 01:36:36,564 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 175 transitions. [2021-11-23 01:36:36,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:36:36,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:36,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:36,592 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:36,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:36,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 102 states and 176 transitions. [2021-11-23 01:36:36,621 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2021-11-23 01:36:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:36:36,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:36,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:38,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:38,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 100 states and 171 transitions. [2021-11-23 01:36:38,559 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2021-11-23 01:36:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:36:38,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:38,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:41,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:41,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 110 states and 193 transitions. [2021-11-23 01:36:41,829 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 193 transitions. [2021-11-23 01:36:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:36:41,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:41,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:41,849 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:36:42,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:42,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 108 states and 190 transitions. [2021-11-23 01:36:42,366 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 190 transitions. [2021-11-23 01:36:42,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:36:42,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:42,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:42,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:42,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 110 states and 191 transitions. [2021-11-23 01:36:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 191 transitions. [2021-11-23 01:36:42,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:36:42,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:42,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:44,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 116 states and 203 transitions. [2021-11-23 01:36:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 203 transitions. [2021-11-23 01:36:44,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:36:44,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:44,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 118 states and 205 transitions. [2021-11-23 01:36:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 205 transitions. [2021-11-23 01:36:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:36:44,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:44,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:44,685 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:36:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 118 states and 202 transitions. [2021-11-23 01:36:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 202 transitions. [2021-11-23 01:36:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:36:45,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:45,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 120 states and 203 transitions. [2021-11-23 01:36:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 203 transitions. [2021-11-23 01:36:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:36:45,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:45,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:50,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 128 states and 220 transitions. [2021-11-23 01:36:50,367 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 220 transitions. [2021-11-23 01:36:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:36:50,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:50,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 135 states and 231 transitions. [2021-11-23 01:36:52,377 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 231 transitions. [2021-11-23 01:36:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:36:52,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:52,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:53,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 137 states and 236 transitions. [2021-11-23 01:36:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2021-11-23 01:36:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:36:53,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:53,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:54,041 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:54,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 139 states and 237 transitions. [2021-11-23 01:36:54,353 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 237 transitions. [2021-11-23 01:36:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:36:54,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:54,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:54,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:54,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 141 states and 238 transitions. [2021-11-23 01:36:54,909 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 238 transitions. [2021-11-23 01:36:54,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:36:54,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:54,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:55,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 143 states and 239 transitions. [2021-11-23 01:36:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 239 transitions. [2021-11-23 01:36:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:36:55,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:55,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:55,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 145 states and 240 transitions. [2021-11-23 01:36:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 240 transitions. [2021-11-23 01:36:55,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:55,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:55,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:56,060 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:59,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:59,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 155 states and 262 transitions. [2021-11-23 01:36:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 262 transitions. [2021-11-23 01:36:59,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:59,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:59,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 01:37:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 156 states and 261 transitions. [2021-11-23 01:37:00,467 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 261 transitions. [2021-11-23 01:37:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:37:00,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:00,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 158 states and 262 transitions. [2021-11-23 01:37:00,598 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 262 transitions. [2021-11-23 01:37:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:37:00,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:00,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 160 states and 263 transitions. [2021-11-23 01:37:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 263 transitions. [2021-11-23 01:37:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:37:00,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:00,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:06,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 168 states and 280 transitions. [2021-11-23 01:37:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 280 transitions. [2021-11-23 01:37:06,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:37:06,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:06,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:09,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:09,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 176 states and 296 transitions. [2021-11-23 01:37:09,602 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 296 transitions. [2021-11-23 01:37:09,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:37:09,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:09,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 178 states and 298 transitions. [2021-11-23 01:37:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 298 transitions. [2021-11-23 01:37:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:37:11,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:11,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:12,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 179 states and 300 transitions. [2021-11-23 01:37:12,555 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 300 transitions. [2021-11-23 01:37:12,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:37:12,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:12,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 24 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:12,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 181 states and 301 transitions. [2021-11-23 01:37:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 301 transitions. [2021-11-23 01:37:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:37:12,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:12,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 20 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:13,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 185 states and 304 transitions. [2021-11-23 01:37:13,537 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 304 transitions. [2021-11-23 01:37:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:13,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:13,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:18,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 195 states and 327 transitions. [2021-11-23 01:37:18,536 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 327 transitions. [2021-11-23 01:37:18,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:18,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:18,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 01:37:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 197 states and 327 transitions. [2021-11-23 01:37:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 327 transitions. [2021-11-23 01:37:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:19,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:19,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 9 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 199 states and 328 transitions. [2021-11-23 01:37:19,986 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 328 transitions. [2021-11-23 01:37:19,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:19,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:19,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 9 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:20,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 201 states and 329 transitions. [2021-11-23 01:37:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 329 transitions. [2021-11-23 01:37:20,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:20,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:20,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 209 states and 346 transitions. [2021-11-23 01:37:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 346 transitions. [2021-11-23 01:37:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:27,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:27,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:31,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:31,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 217 states and 361 transitions. [2021-11-23 01:37:31,880 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 361 transitions. [2021-11-23 01:37:31,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:31,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:31,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:32,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 218 states and 363 transitions. [2021-11-23 01:37:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 363 transitions. [2021-11-23 01:37:32,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:32,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:32,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:34,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:34,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 223 states and 373 transitions. [2021-11-23 01:37:34,671 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 373 transitions. [2021-11-23 01:37:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:34,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:34,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 225 states and 375 transitions. [2021-11-23 01:37:34,854 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 375 transitions. [2021-11-23 01:37:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:34,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:34,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:35,301 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 16 proven. 59 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:36,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:36,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 227 states and 380 transitions. [2021-11-23 01:37:36,454 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 380 transitions. [2021-11-23 01:37:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:36,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:36,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 54 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 229 states and 381 transitions. [2021-11-23 01:37:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 381 transitions. [2021-11-23 01:37:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:37:38,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:38,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 16 proven. 59 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:38,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 231 states and 382 transitions. [2021-11-23 01:37:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 382 transitions. [2021-11-23 01:37:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:37:38,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:38,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 40 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:39,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 233 states and 383 transitions. [2021-11-23 01:37:39,067 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 383 transitions. [2021-11-23 01:37:39,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:37:39,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:39,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:39,261 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 34 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:39,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 235 states and 384 transitions. [2021-11-23 01:37:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 384 transitions. [2021-11-23 01:37:39,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:37:39,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:39,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 25 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 233 states and 379 transitions. [2021-11-23 01:37:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 379 transitions. [2021-11-23 01:37:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:37:43,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:43,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 51 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 243 states and 401 transitions. [2021-11-23 01:37:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 401 transitions. [2021-11-23 01:37:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:37:49,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:49,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-23 01:37:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 244 states and 400 transitions. [2021-11-23 01:37:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 400 transitions. [2021-11-23 01:37:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:37:50,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:50,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 16 proven. 79 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 246 states and 401 transitions. [2021-11-23 01:37:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 401 transitions. [2021-11-23 01:37:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:37:50,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:50,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 16 proven. 79 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 248 states and 402 transitions. [2021-11-23 01:37:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 402 transitions. [2021-11-23 01:37:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:37:50,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:50,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 25 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:00,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:00,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 256 states and 419 transitions. [2021-11-23 01:38:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 419 transitions. [2021-11-23 01:38:00,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:38:00,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:00,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:00,757 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 25 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:04,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 264 states and 435 transitions. [2021-11-23 01:38:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 435 transitions. [2021-11-23 01:38:04,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:38:04,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:04,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:05,910 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 25 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 266 states and 437 transitions. [2021-11-23 01:38:06,607 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 437 transitions. [2021-11-23 01:38:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:38:06,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:06,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 25 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:07,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:07,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 267 states and 439 transitions. [2021-11-23 01:38:07,951 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 439 transitions. [2021-11-23 01:38:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:38:07,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:07,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 60 proven. 59 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:08,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:08,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 269 states and 440 transitions. [2021-11-23 01:38:08,402 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 440 transitions. [2021-11-23 01:38:08,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:38:08,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:08,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 52 proven. 67 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 277 states and 449 transitions. [2021-11-23 01:38:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 449 transitions. [2021-11-23 01:38:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:38:10,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:10,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 73 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:17,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 287 states and 472 transitions. [2021-11-23 01:38:17,254 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 472 transitions. [2021-11-23 01:38:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:38:17,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:17,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:17,290 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-23 01:38:18,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 289 states and 472 transitions. [2021-11-23 01:38:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 472 transitions. [2021-11-23 01:38:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:38:18,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:18,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:18,879 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 25 proven. 107 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 291 states and 473 transitions. [2021-11-23 01:38:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 473 transitions. [2021-11-23 01:38:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:38:18,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:18,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:19,041 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 25 proven. 107 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:19,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:19,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 293 states and 474 transitions. [2021-11-23 01:38:19,092 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 474 transitions. [2021-11-23 01:38:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:38:19,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:19,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:23,129 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 36 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:30,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 301 states and 491 transitions. [2021-11-23 01:38:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 491 transitions. [2021-11-23 01:38:30,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:38:30,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:30,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 36 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:36,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:36,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 309 states and 506 transitions. [2021-11-23 01:38:36,566 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 506 transitions. [2021-11-23 01:38:36,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:38:36,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:36,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 36 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 310 states and 508 transitions. [2021-11-23 01:38:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 508 transitions. [2021-11-23 01:38:38,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:38:38,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:38,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 36 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:41,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:41,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 315 states and 518 transitions. [2021-11-23 01:38:41,208 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 518 transitions. [2021-11-23 01:38:41,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:38:41,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:41,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:41,384 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 36 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:41,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:41,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 317 states and 520 transitions. [2021-11-23 01:38:41,500 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 520 transitions. [2021-11-23 01:38:41,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:38:41,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:41,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:43,584 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 36 proven. 104 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:44,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:44,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 319 states and 523 transitions. [2021-11-23 01:38:44,916 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 523 transitions. [2021-11-23 01:38:44,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:38:44,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:44,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 36 proven. 111 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:47,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:47,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 321 states and 524 transitions. [2021-11-23 01:38:47,191 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 524 transitions. [2021-11-23 01:38:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:38:47,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:47,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 36 proven. 104 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 326 states and 531 transitions. [2021-11-23 01:38:50,876 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 531 transitions. [2021-11-23 01:38:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:38:50,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:50,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:51,003 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 36 proven. 111 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:52,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 328 states and 532 transitions. [2021-11-23 01:38:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 532 transitions. [2021-11-23 01:38:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:38:52,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:52,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 84 proven. 76 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 330 states and 533 transitions. [2021-11-23 01:38:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 533 transitions. [2021-11-23 01:38:52,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:38:52,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:52,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 86 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:53,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 332 states and 534 transitions. [2021-11-23 01:38:53,001 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 534 transitions. [2021-11-23 01:38:53,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:38:53,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:53,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 49 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 330 states and 529 transitions. [2021-11-23 01:38:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 529 transitions. [2021-11-23 01:38:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:38:58,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:58,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:00,235 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 99 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:06,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 340 states and 551 transitions. [2021-11-23 01:39:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 551 transitions. [2021-11-23 01:39:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:39:06,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:06,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 99 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:09,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 348 states and 565 transitions. [2021-11-23 01:39:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 565 transitions. [2021-11-23 01:39:09,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:39:09,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:09,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 36 proven. 139 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:10,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 350 states and 566 transitions. [2021-11-23 01:39:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 566 transitions. [2021-11-23 01:39:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:39:10,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:10,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:10,213 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-23 01:39:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:11,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 350 states and 563 transitions. [2021-11-23 01:39:11,534 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 563 transitions. [2021-11-23 01:39:11,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:39:11,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:11,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:11,670 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 36 proven. 139 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 352 states and 564 transitions. [2021-11-23 01:39:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 564 transitions. [2021-11-23 01:39:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:39:11,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:11,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 49 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 360 states and 581 transitions. [2021-11-23 01:39:26,118 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 581 transitions. [2021-11-23 01:39:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:39:26,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:26,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 49 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:29,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 367 states and 592 transitions. [2021-11-23 01:39:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 592 transitions. [2021-11-23 01:39:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:39:29,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:29,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:30,529 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 112 proven. 95 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 369 states and 593 transitions. [2021-11-23 01:39:30,583 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 593 transitions. [2021-11-23 01:39:30,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:39:30,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:30,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:30,628 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-23 01:39:30,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 370 states and 593 transitions. [2021-11-23 01:39:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 593 transitions. [2021-11-23 01:39:30,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:39:30,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:30,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 100 proven. 107 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:31,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 372 states and 594 transitions. [2021-11-23 01:39:31,509 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 594 transitions. [2021-11-23 01:39:31,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:39:31,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:31,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:33,371 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 129 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:40,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 382 states and 616 transitions. [2021-11-23 01:39:40,402 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 616 transitions. [2021-11-23 01:39:40,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:39:40,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:40,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 129 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 390 states and 630 transitions. [2021-11-23 01:39:44,724 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 630 transitions. [2021-11-23 01:39:44,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:39:44,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:44,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 49 proven. 175 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 392 states and 631 transitions. [2021-11-23 01:39:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 631 transitions. [2021-11-23 01:39:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:39:44,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:44,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-11-23 01:39:46,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:46,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 392 states and 628 transitions. [2021-11-23 01:39:46,437 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 628 transitions. [2021-11-23 01:39:46,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:39:46,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:46,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 49 proven. 175 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:46,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:46,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 394 states and 629 transitions. [2021-11-23 01:39:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 629 transitions. [2021-11-23 01:39:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:39:46,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:46,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 64 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 402 states and 646 transitions. [2021-11-23 01:40:03,881 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 646 transitions. [2021-11-23 01:40:03,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:40:03,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:03,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 64 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:08,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 409 states and 657 transitions. [2021-11-23 01:40:08,119 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 657 transitions. [2021-11-23 01:40:08,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:40:08,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:08,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:08,717 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 64 proven. 179 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:10,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 411 states and 662 transitions. [2021-11-23 01:40:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 662 transitions. [2021-11-23 01:40:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:40:10,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:10,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:14,239 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 64 proven. 170 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:15,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:15,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 413 states and 663 transitions. [2021-11-23 01:40:15,965 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 663 transitions. [2021-11-23 01:40:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:40:15,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:15,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 64 proven. 170 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:19,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 415 states and 666 transitions. [2021-11-23 01:40:19,865 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 666 transitions. [2021-11-23 01:40:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:40:19,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:19,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:19,984 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 64 proven. 179 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:20,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 417 states and 667 transitions. [2021-11-23 01:40:20,905 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 667 transitions. [2021-11-23 01:40:20,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:40:20,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:20,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 144 proven. 116 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:21,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:21,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 419 states and 668 transitions. [2021-11-23 01:40:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 668 transitions. [2021-11-23 01:40:21,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:40:21,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:21,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 130 proven. 130 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:22,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 421 states and 669 transitions. [2021-11-23 01:40:22,491 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 669 transitions. [2021-11-23 01:40:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:40:22,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:22,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:24,396 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 163 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 431 states and 691 transitions. [2021-11-23 01:40:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 691 transitions. [2021-11-23 01:40:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:40:32,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:32,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-23 01:40:34,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:34,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 432 states and 690 transitions. [2021-11-23 01:40:34,316 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 690 transitions. [2021-11-23 01:40:34,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:40:34,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:34,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:34,449 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 64 proven. 215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:34,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 434 states and 691 transitions. [2021-11-23 01:40:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 691 transitions. [2021-11-23 01:40:34,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:40:34,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:34,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:34,669 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 64 proven. 215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:34,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:34,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 436 states and 692 transitions. [2021-11-23 01:40:34,744 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 692 transitions. [2021-11-23 01:40:34,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:40:34,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:34,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 81 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 444 states and 709 transitions. [2021-11-23 01:40:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 709 transitions. [2021-11-23 01:40:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:40:54,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:54,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 81 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:04,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:04,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 451 states and 720 transitions. [2021-11-23 01:41:04,217 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 720 transitions. [2021-11-23 01:41:04,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:41:04,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:04,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 81 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:05,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:05,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 453 states and 722 transitions. [2021-11-23 01:41:05,853 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 722 transitions. [2021-11-23 01:41:05,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:41:05,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:05,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 81 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:07,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 458 states and 732 transitions. [2021-11-23 01:41:07,493 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 732 transitions. [2021-11-23 01:41:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:41:07,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:07,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2021-11-23 01:41:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 459 states and 732 transitions. [2021-11-23 01:41:07,605 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 732 transitions. [2021-11-23 01:41:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:41:07,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:07,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 180 proven. 139 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:08,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 461 states and 733 transitions. [2021-11-23 01:41:08,630 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 733 transitions. [2021-11-23 01:41:08,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:41:08,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:08,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:09,402 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 164 proven. 155 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:09,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 463 states and 734 transitions. [2021-11-23 01:41:09,499 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 734 transitions. [2021-11-23 01:41:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:41:09,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:09,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 201 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:20,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 473 states and 757 transitions. [2021-11-23 01:41:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 757 transitions. [2021-11-23 01:41:20,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:41:20,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:20,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 201 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:25,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 481 states and 771 transitions. [2021-11-23 01:41:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 771 transitions. [2021-11-23 01:41:25,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:41:25,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:25,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 81 proven. 259 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 483 states and 772 transitions. [2021-11-23 01:41:25,762 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 772 transitions. [2021-11-23 01:41:25,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:41:25,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:25,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2021-11-23 01:41:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:27,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 483 states and 768 transitions. [2021-11-23 01:41:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 768 transitions. [2021-11-23 01:41:27,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:41:27,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:27,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:27,460 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 81 proven. 259 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:27,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 485 states and 769 transitions. [2021-11-23 01:41:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 769 transitions. [2021-11-23 01:41:27,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:41:27,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:27,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 100 proven. 286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:51,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:51,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 493 states and 786 transitions. [2021-11-23 01:41:51,519 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 786 transitions. [2021-11-23 01:41:51,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:41:51,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:51,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 100 proven. 286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:56,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:56,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 500 states and 797 transitions. [2021-11-23 01:41:56,863 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 797 transitions. [2021-11-23 01:41:56,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:41:56,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:56,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 100 proven. 252 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:42:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 502 states and 800 transitions. [2021-11-23 01:42:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 800 transitions. [2021-11-23 01:42:05,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:42:05,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:05,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 100 proven. 263 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:42:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:07,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 504 states and 801 transitions. [2021-11-23 01:42:07,735 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 801 transitions. [2021-11-23 01:42:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:42:07,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:07,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 100 proven. 252 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:42:13,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:13,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 506 states and 804 transitions. [2021-11-23 01:42:13,646 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 804 transitions. [2021-11-23 01:42:13,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:42:13,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:13,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 100 proven. 252 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:42:24,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 522 states and 826 transitions. [2021-11-23 01:42:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 826 transitions. [2021-11-23 01:42:24,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:42:24,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:24,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 100 proven. 263 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:42:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:25,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 524 states and 827 transitions. [2021-11-23 01:42:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 827 transitions. [2021-11-23 01:42:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:42:25,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:25,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:26,330 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 220 proven. 164 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:42:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 526 states and 828 transitions. [2021-11-23 01:42:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 828 transitions. [2021-11-23 01:42:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:42:26,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:26,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 202 proven. 182 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:42:27,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:27,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 528 states and 829 transitions. [2021-11-23 01:42:27,229 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 829 transitions. [2021-11-23 01:42:27,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:42:27,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:27,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 243 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 538 states and 851 transitions. [2021-11-23 01:42:38,968 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 851 transitions. [2021-11-23 01:42:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:42:38,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:38,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:42:41,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 539 states and 850 transitions. [2021-11-23 01:42:41,664 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 850 transitions. [2021-11-23 01:42:41,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:42:41,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:41,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:41,809 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 100 proven. 307 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:42:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 541 states and 851 transitions. [2021-11-23 01:42:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 851 transitions. [2021-11-23 01:42:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:42:41,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:41,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:42,048 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 100 proven. 307 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:42:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 543 states and 852 transitions. [2021-11-23 01:42:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 852 transitions. [2021-11-23 01:42:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:42:42,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:42,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 121 proven. 336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:08,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 551 states and 869 transitions. [2021-11-23 01:43:08,807 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 869 transitions. [2021-11-23 01:43:08,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:43:08,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:08,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:08,994 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 121 proven. 336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:16,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:16,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 559 states and 885 transitions. [2021-11-23 01:43:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 885 transitions. [2021-11-23 01:43:16,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:43:16,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:16,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:22,543 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 121 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:24,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 561 states and 887 transitions. [2021-11-23 01:43:24,814 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 887 transitions. [2021-11-23 01:43:24,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:43:24,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:24,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 121 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 562 states and 889 transitions. [2021-11-23 01:43:30,555 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 889 transitions. [2021-11-23 01:43:30,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:43:30,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:30,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 264 proven. 191 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:31,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 564 states and 890 transitions. [2021-11-23 01:43:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 890 transitions. [2021-11-23 01:43:31,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:43:31,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:31,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 244 proven. 211 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 568 states and 893 transitions. [2021-11-23 01:43:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 893 transitions. [2021-11-23 01:43:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 01:43:33,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:33,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 289 proven. 218 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 578 states and 916 transitions. [2021-11-23 01:43:46,738 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 916 transitions. [2021-11-23 01:43:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 01:43:46,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:46,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:46,794 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2021-11-23 01:43:49,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 580 states and 916 transitions. [2021-11-23 01:43:49,563 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 916 transitions. [2021-11-23 01:43:49,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 01:43:49,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:49,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:49,739 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 121 proven. 359 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:49,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 582 states and 917 transitions. [2021-11-23 01:43:49,840 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 917 transitions. [2021-11-23 01:43:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 01:43:49,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:49,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 121 proven. 359 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 584 states and 918 transitions. [2021-11-23 01:43:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 918 transitions. [2021-11-23 01:43:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:43:50,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:50,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 144 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:22,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:22,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 592 states and 935 transitions. [2021-11-23 01:44:22,943 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 935 transitions. [2021-11-23 01:44:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:44:22,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:22,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 144 proven. 377 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 601 states and 952 transitions. [2021-11-23 01:44:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 952 transitions. [2021-11-23 01:44:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:44:38,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:38,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 144 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 603 states and 954 transitions. [2021-11-23 01:44:41,005 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 954 transitions. [2021-11-23 01:44:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:44:41,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:41,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 144 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:43,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:43,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 608 states and 964 transitions. [2021-11-23 01:44:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 964 transitions. [2021-11-23 01:44:43,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:44:43,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:43,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:51,072 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 144 proven. 350 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:53,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 610 states and 967 transitions. [2021-11-23 01:44:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 967 transitions. [2021-11-23 01:44:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:44:53,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:53,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 144 proven. 363 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:56,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 612 states and 968 transitions. [2021-11-23 01:44:56,692 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 968 transitions. [2021-11-23 01:44:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:44:56,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:56,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 144 proven. 350 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 617 states and 975 transitions. [2021-11-23 01:45:06,585 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 975 transitions. [2021-11-23 01:45:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:45:06,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:06,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 144 proven. 363 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 619 states and 976 transitions. [2021-11-23 01:45:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 976 transitions. [2021-11-23 01:45:08,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:45:08,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:08,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 312 proven. 220 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:09,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:09,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 621 states and 977 transitions. [2021-11-23 01:45:09,065 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 977 transitions. [2021-11-23 01:45:09,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:45:09,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:09,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 290 proven. 242 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:09,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 623 states and 978 transitions. [2021-11-23 01:45:09,936 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 978 transitions. [2021-11-23 01:45:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:45:09,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:09,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 169 proven. 381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:24,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 621 states and 973 transitions. [2021-11-23 01:45:24,713 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 973 transitions. [2021-11-23 01:45:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:45:24,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:24,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 339 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:38,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 631 states and 995 transitions. [2021-11-23 01:45:38,547 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 995 transitions. [2021-11-23 01:45:38,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:45:38,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:38,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 339 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:46,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:46,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 639 states and 1009 transitions. [2021-11-23 01:45:46,078 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1009 transitions. [2021-11-23 01:45:46,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:45:46,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:46,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 144 proven. 415 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:46,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:46,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 641 states and 1010 transitions. [2021-11-23 01:45:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1010 transitions. [2021-11-23 01:45:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:45:46,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:46,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2021-11-23 01:45:48,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 641 states and 1007 transitions. [2021-11-23 01:45:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1007 transitions. [2021-11-23 01:45:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:45:48,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:48,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 144 proven. 415 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 643 states and 1008 transitions. [2021-11-23 01:45:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1008 transitions. [2021-11-23 01:45:48,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:45:48,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:48,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:03,674 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 169 proven. 448 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:28,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 651 states and 1025 transitions. [2021-11-23 01:46:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1025 transitions. [2021-11-23 01:46:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:46:28,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:28,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:28,450 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 169 proven. 448 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:35,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 658 states and 1036 transitions. [2021-11-23 01:46:35,747 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1036 transitions. [2021-11-23 01:46:35,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:46:35,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:35,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 364 proven. 251 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:37,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 660 states and 1037 transitions. [2021-11-23 01:46:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1037 transitions. [2021-11-23 01:46:37,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:46:37,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:37,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 340 proven. 275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:39,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 662 states and 1038 transitions. [2021-11-23 01:46:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1038 transitions. [2021-11-23 01:46:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:46:39,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:39,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 393 proven. 282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:57,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 672 states and 1060 transitions. [2021-11-23 01:46:57,609 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1060 transitions. [2021-11-23 01:46:57,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:46:57,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:57,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2021-11-23 01:47:01,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 673 states and 1059 transitions. [2021-11-23 01:47:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1059 transitions. [2021-11-23 01:47:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:47:01,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:01,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 169 proven. 475 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:01,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:01,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 675 states and 1060 transitions. [2021-11-23 01:47:01,978 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1060 transitions. [2021-11-23 01:47:01,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:47:01,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:01,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 169 proven. 475 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:02,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 677 states and 1061 transitions. [2021-11-23 01:47:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1061 transitions. [2021-11-23 01:47:02,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:47:02,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:02,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:20,156 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 196 proven. 510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.