./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort-2.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_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/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_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/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_83612d7d-4279-41ee-a799-a99ffa303d8e/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 e47f94c757882803b8e19e21a897c3f5ab1653c3391e3b246153a1c416bdab7c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:26:57,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:26:57,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:26:57,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:26:57,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:26:57,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:26:57,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:26:57,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:26:57,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:26:57,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:26:57,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:26:57,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:26:57,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:26:57,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:26:57,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:26:57,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:26:57,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:26:57,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:26:57,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:26:57,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:26:57,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:26:57,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:26:57,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:26:57,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:26:57,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:26:57,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:26:57,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:26:57,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:26:57,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:26:57,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:26:57,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:26:57,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:26:57,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:26:57,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:26:57,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:26:57,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:26:57,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:26:57,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:26:57,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:26:57,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:26:57,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:26:57,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:26:57,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:26:57,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:26:57,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:26:57,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:26:57,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:26:57,230 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:26:57,230 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:26:57,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:26:57,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:26:57,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:26:57,232 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:26:57,233 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:26:57,233 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:26:57,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:26:57,233 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:26:57,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:26:57,234 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:26:57,234 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:26:57,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:26:57,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:26:57,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:26:57,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:26:57,235 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:26:57,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:26:57,236 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_83612d7d-4279-41ee-a799-a99ffa303d8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e47f94c757882803b8e19e21a897c3f5ab1653c3391e3b246153a1c416bdab7c [2021-11-23 01:26:57,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:26:57,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:26:57,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:26:57,500 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:26:57,505 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:26:57,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2021-11-23 01:26:57,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ/data/1557b6600/b764ae50003e4820918431ec37d955a0/FLAG3837bf643 [2021-11-23 01:26:58,147 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:26:58,148 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2021-11-23 01:26:58,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ/data/1557b6600/b764ae50003e4820918431ec37d955a0/FLAG3837bf643 [2021-11-23 01:26:58,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ/data/1557b6600/b764ae50003e4820918431ec37d955a0 [2021-11-23 01:26:58,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:26:58,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:26:58,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:26:58,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:26:58,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:26:58,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:58,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2626cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58, skipping insertion in model container [2021-11-23 01:26:58,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:58,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:26:58,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:26:58,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/sv-benchmarks/c/heap-manipulation/merge_sort-2.i[22632,22645] [2021-11-23 01:26:58,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:26:58,856 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:26:58,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/sv-benchmarks/c/heap-manipulation/merge_sort-2.i[22632,22645] [2021-11-23 01:26:58,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:26:58,940 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:26:58,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58 WrapperNode [2021-11-23 01:26:58,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:26:58,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:26:58,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:26:58,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:26:58,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:58,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:59,012 INFO L137 Inliner]: procedures = 125, calls = 83, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 359 [2021-11-23 01:26:59,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:26:59,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:26:59,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:26:59,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:26:59,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:59,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:59,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:59,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:59,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:59,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:59,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:59,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:26:59,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:26:59,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:26:59,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:26:59,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58" (1/1) ... [2021-11-23 01:26:59,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:26:59,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:26:59,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:26:59,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83612d7d-4279-41ee-a799-a99ffa303d8e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:26:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:26:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:26:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:26:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:26:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:26:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:26:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:26:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:26:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:26:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:26:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:26:59,354 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:26:59,356 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:27:00,232 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:27:00,349 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:27:00,350 INFO L301 CfgBuilder]: Removed 33 assume(true) statements. [2021-11-23 01:27:00,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:00 BoogieIcfgContainer [2021-11-23 01:27:00,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:27:00,354 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:27:00,354 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:27:00,365 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:27:00,366 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:00" (1/1) ... [2021-11-23 01:27:00,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:27:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:00,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 257 states and 313 transitions. [2021-11-23 01:27:00,443 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 313 transitions. [2021-11-23 01:27:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:27:00,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:00,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:00,615 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 01:27:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2021-11-23 01:27:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2021-11-23 01:27:00,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:27:00,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:00,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:00,767 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 01:27:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 255 states and 310 transitions. [2021-11-23 01:27:00,849 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 310 transitions. [2021-11-23 01:27:00,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:27:00,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:00,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:00,901 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 01:27:00,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:00,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 259 states and 317 transitions. [2021-11-23 01:27:00,938 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 317 transitions. [2021-11-23 01:27:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:27:00,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:00,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:00,985 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 01:27:01,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 258 states and 316 transitions. [2021-11-23 01:27:01,001 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 316 transitions. [2021-11-23 01:27:01,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:27:01,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,055 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 01:27:01,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 257 states and 315 transitions. [2021-11-23 01:27:01,071 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 315 transitions. [2021-11-23 01:27:01,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:27:01,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,097 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 01:27:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2021-11-23 01:27:01,108 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2021-11-23 01:27:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:27:01,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,182 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 01:27:01,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 260 states and 315 transitions. [2021-11-23 01:27:01,303 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 315 transitions. [2021-11-23 01:27:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:27:01,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,384 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 01:27:01,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 259 states and 314 transitions. [2021-11-23 01:27:01,417 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 314 transitions. [2021-11-23 01:27:01,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:27:01,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,470 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 01:27:01,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 258 states and 313 transitions. [2021-11-23 01:27:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 313 transitions. [2021-11-23 01:27:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:27:01,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,662 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 01:27:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2021-11-23 01:27:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2021-11-23 01:27:01,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:27:01,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,749 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 01:27:01,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2021-11-23 01:27:01,774 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2021-11-23 01:27:01,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:27:01,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:02,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:02,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 256 states and 309 transitions. [2021-11-23 01:27:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 309 transitions. [2021-11-23 01:27:02,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:27:02,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:02,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:02,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 254 states and 307 transitions. [2021-11-23 01:27:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 307 transitions. [2021-11-23 01:27:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:27:02,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:02,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:02,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:02,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2021-11-23 01:27:02,985 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2021-11-23 01:27:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:27:02,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:02,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:03,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:03,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 260 states and 317 transitions. [2021-11-23 01:27:03,766 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 317 transitions. [2021-11-23 01:27:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:27:03,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:03,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 258 states and 314 transitions. [2021-11-23 01:27:03,994 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 314 transitions. [2021-11-23 01:27:03,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:27:03,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:03,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:04,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2021-11-23 01:27:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2021-11-23 01:27:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:27:04,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,207 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 01:27:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 256 states and 307 transitions. [2021-11-23 01:27:04,213 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 307 transitions. [2021-11-23 01:27:04,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:27:04,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 259 states and 312 transitions. [2021-11-23 01:27:04,356 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 312 transitions. [2021-11-23 01:27:04,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:27:04,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,377 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 01:27:04,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 259 states and 308 transitions. [2021-11-23 01:27:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 308 transitions. [2021-11-23 01:27:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:27:04,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 260 states and 308 transitions. [2021-11-23 01:27:04,420 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 308 transitions. [2021-11-23 01:27:04,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:27:04,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,441 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 01:27:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 262 states and 311 transitions. [2021-11-23 01:27:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 311 transitions. [2021-11-23 01:27:04,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:27:04,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 266 states and 317 transitions. [2021-11-23 01:27:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 317 transitions. [2021-11-23 01:27:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:27:05,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:05,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:05,188 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 01:27:05,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 268 states and 320 transitions. [2021-11-23 01:27:05,204 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 320 transitions. [2021-11-23 01:27:05,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:27:05,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:05,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:05,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 271 states and 323 transitions. [2021-11-23 01:27:05,254 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 323 transitions. [2021-11-23 01:27:05,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:27:05,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:05,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:05,475 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 01:27:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 272 states and 323 transitions. [2021-11-23 01:27:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 323 transitions. [2021-11-23 01:27:06,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:27:06,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,672 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 01:27:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 273 states and 323 transitions. [2021-11-23 01:27:06,777 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 323 transitions. [2021-11-23 01:27:06,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:27:06,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,798 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 01:27:07,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 272 states and 320 transitions. [2021-11-23 01:27:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 320 transitions. [2021-11-23 01:27:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:27:07,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:07,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 275 states and 323 transitions. [2021-11-23 01:27:07,338 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 323 transitions. [2021-11-23 01:27:07,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:27:07,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,357 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 01:27:07,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 274 states and 320 transitions. [2021-11-23 01:27:07,599 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 320 transitions. [2021-11-23 01:27:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:27:07,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:07,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 277 states and 323 transitions. [2021-11-23 01:27:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 323 transitions. [2021-11-23 01:27:07,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:27:07,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 288 states and 338 transitions. [2021-11-23 01:27:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 338 transitions. [2021-11-23 01:27:12,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:27:12,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:12,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:13,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:13,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 293 states and 342 transitions. [2021-11-23 01:27:13,916 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 342 transitions. [2021-11-23 01:27:13,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:13,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:13,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:13,938 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 01:27:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 295 states and 343 transitions. [2021-11-23 01:27:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 343 transitions. [2021-11-23 01:27:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:14,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:14,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:14,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 298 states and 347 transitions. [2021-11-23 01:27:14,612 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 347 transitions. [2021-11-23 01:27:14,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:14,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:14,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,630 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 01:27:14,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 300 states and 348 transitions. [2021-11-23 01:27:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 348 transitions. [2021-11-23 01:27:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:14,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:14,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:15,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:15,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 303 states and 352 transitions. [2021-11-23 01:27:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 352 transitions. [2021-11-23 01:27:15,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:15,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:15,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:21,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 317 states and 372 transitions. [2021-11-23 01:27:21,623 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 372 transitions. [2021-11-23 01:27:21,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:21,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:21,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:30,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 331 states and 392 transitions. [2021-11-23 01:27:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 392 transitions. [2021-11-23 01:27:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:30,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:30,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:33,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 341 states and 404 transitions. [2021-11-23 01:27:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 404 transitions. [2021-11-23 01:27:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:33,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:33,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 339 states and 401 transitions. [2021-11-23 01:27:33,976 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 401 transitions. [2021-11-23 01:27:33,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:33,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 337 states and 398 transitions. [2021-11-23 01:27:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 398 transitions. [2021-11-23 01:27:34,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:34,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 347 states and 410 transitions. [2021-11-23 01:27:38,611 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 410 transitions. [2021-11-23 01:27:38,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:27:38,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:38,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:53,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 362 states and 430 transitions. [2021-11-23 01:27:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 430 transitions. [2021-11-23 01:27:53,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:27:53,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:53,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:00,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 371 states and 439 transitions. [2021-11-23 01:28:00,349 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 439 transitions. [2021-11-23 01:28:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:28:00,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:00,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:00,366 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 01:28:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 374 states and 443 transitions. [2021-11-23 01:28:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 443 transitions. [2021-11-23 01:28:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:28:01,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:01,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:03,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:03,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 378 states and 455 transitions. [2021-11-23 01:28:03,488 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 455 transitions. [2021-11-23 01:28:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:28:03,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:03,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:13,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:13,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 394 states and 478 transitions. [2021-11-23 01:28:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 478 transitions. [2021-11-23 01:28:13,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:28:13,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:13,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:25,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 410 states and 502 transitions. [2021-11-23 01:28:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 502 transitions. [2021-11-23 01:28:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:28:25,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:25,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:26,955 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 01:28:37,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 421 states and 518 transitions. [2021-11-23 01:28:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 518 transitions. [2021-11-23 01:28:37,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:28:37,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:37,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:37,851 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 01:28:39,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 424 states and 521 transitions. [2021-11-23 01:28:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 521 transitions. [2021-11-23 01:28:39,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:39,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:39,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:39,608 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 01:28:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 426 states and 525 transitions. [2021-11-23 01:28:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 525 transitions. [2021-11-23 01:28:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:39,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:39,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:41,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 429 states and 531 transitions. [2021-11-23 01:28:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 531 transitions. [2021-11-23 01:28:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:28:41,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:41,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:41,575 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 01:28:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 429 states and 527 transitions. [2021-11-23 01:28:41,584 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 527 transitions. [2021-11-23 01:28:41,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:28:41,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:41,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:41,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:55,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 448 states and 554 transitions. [2021-11-23 01:28:55,631 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 554 transitions. [2021-11-23 01:28:55,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:28:55,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:55,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 449 states and 555 transitions. [2021-11-23 01:28:57,284 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 555 transitions. [2021-11-23 01:28:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:28:57,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:57,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:57,626 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 01:28:59,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:59,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 451 states and 558 transitions. [2021-11-23 01:28:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 558 transitions. [2021-11-23 01:28:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:28:59,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:59,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:00,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:03,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 455 states and 562 transitions. [2021-11-23 01:29:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 562 transitions. [2021-11-23 01:29:03,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:29:03,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:03,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:03,064 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 01:29:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:03,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 454 states and 561 transitions. [2021-11-23 01:29:03,079 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 561 transitions. [2021-11-23 01:29:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:29:03,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:03,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 456 states and 565 transitions. [2021-11-23 01:29:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 565 transitions. [2021-11-23 01:29:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:29:05,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,506 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 01:29:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 455 states and 564 transitions. [2021-11-23 01:29:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 564 transitions. [2021-11-23 01:29:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:29:05,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 456 states and 565 transitions. [2021-11-23 01:29:05,639 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 565 transitions. [2021-11-23 01:29:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:29:05,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:06,574 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 01:29:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 473 states and 588 transitions. [2021-11-23 01:29:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 588 transitions. [2021-11-23 01:29:25,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:29:25,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:25,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:01,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 490 states and 613 transitions. [2021-11-23 01:30:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 613 transitions. [2021-11-23 01:30:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:30:01,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:01,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:38,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:38,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 507 states and 637 transitions. [2021-11-23 01:30:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 637 transitions. [2021-11-23 01:30:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:30:38,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:38,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 505 states and 634 transitions. [2021-11-23 01:30:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 634 transitions. [2021-11-23 01:30:40,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:30:40,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:40,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 503 states and 631 transitions. [2021-11-23 01:30:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 631 transitions. [2021-11-23 01:30:42,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:30:42,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:42,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:43,736 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 01:30:49,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 504 states and 631 transitions. [2021-11-23 01:30:49,610 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 631 transitions. [2021-11-23 01:30:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:30:49,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:49,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:49,626 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 01:30:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 503 states and 628 transitions. [2021-11-23 01:30:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 628 transitions. [2021-11-23 01:30:51,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:30:51,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:51,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:56,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:56,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 506 states and 632 transitions. [2021-11-23 01:30:56,075 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 632 transitions. [2021-11-23 01:30:56,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:30:56,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:56,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:31:42,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:42,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 530 states and 677 transitions. [2021-11-23 01:31:42,736 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 677 transitions. [2021-11-23 01:31:42,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:31:42,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:42,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:42,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:31:47,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:47,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 521 states and 663 transitions. [2021-11-23 01:31:47,018 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 663 transitions. [2021-11-23 01:31:47,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:31:47,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:47,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:48,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:21,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:21,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 546 states and 697 transitions. [2021-11-23 01:32:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 697 transitions. [2021-11-23 01:32:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:32:21,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:21,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:21,926 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 01:32:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 549 states and 701 transitions. [2021-11-23 01:32:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 701 transitions. [2021-11-23 01:32:23,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:32:23,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:23,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:25,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 553 states and 706 transitions. [2021-11-23 01:32:25,603 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 706 transitions. [2021-11-23 01:32:25,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:32:25,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:25,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:27,694 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 01:32:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 571 states and 732 transitions. [2021-11-23 01:32:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 732 transitions. [2021-11-23 01:32:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:32:50,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:50,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:54,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 589 states and 759 transitions. [2021-11-23 01:33:23,906 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 759 transitions. [2021-11-23 01:33:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:33:23,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:23,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:23,924 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 01:33:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 588 states and 756 transitions. [2021-11-23 01:33:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 756 transitions. [2021-11-23 01:33:23,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:33:23,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:23,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:24,585 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 01:33:27,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 587 states and 755 transitions. [2021-11-23 01:33:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 755 transitions. [2021-11-23 01:33:27,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:33:27,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:27,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:27,613 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 01:33:27,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:27,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 586 states and 754 transitions. [2021-11-23 01:33:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 754 transitions. [2021-11-23 01:33:27,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:33:27,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:27,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:27,657 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 01:33:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 585 states and 753 transitions. [2021-11-23 01:33:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 753 transitions. [2021-11-23 01:33:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:33:27,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:27,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:37,685 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 602 states and 777 transitions. [2021-11-23 01:34:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 777 transitions. [2021-11-23 01:34:24,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:34:24,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:24,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:28,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:28,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 600 states and 774 transitions. [2021-11-23 01:34:28,300 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 774 transitions. [2021-11-23 01:34:28,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:34:28,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:28,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:31,836 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 01:35:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 618 states and 799 transitions. [2021-11-23 01:35:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 799 transitions. [2021-11-23 01:35:05,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:35:05,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:05,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,181 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 01:35:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:13,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 616 states and 796 transitions. [2021-11-23 01:35:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 796 transitions. [2021-11-23 01:35:13,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:35:13,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:13,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:17,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 633 states and 820 transitions. [2021-11-23 01:36:17,976 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 820 transitions. [2021-11-23 01:36:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:36:17,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:17,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 650 states and 844 transitions. [2021-11-23 01:37:25,592 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 844 transitions. [2021-11-23 01:37:25,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:37:25,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:25,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:29,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:29,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 648 states and 841 transitions. [2021-11-23 01:37:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 841 transitions. [2021-11-23 01:37:29,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:37:29,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:29,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:34,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 646 states and 838 transitions. [2021-11-23 01:37:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 838 transitions. [2021-11-23 01:37:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:37:34,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:34,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:34,197 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 01:38:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 660 states and 857 transitions. [2021-11-23 01:38:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 857 transitions. [2021-11-23 01:38:02,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:38:02,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:02,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:03,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 674 states and 876 transitions. [2021-11-23 01:38:37,461 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 876 transitions. [2021-11-23 01:38:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:38:37,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:37,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.