./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.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_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/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_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/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_44fc629c-42b7-40b2-ba27-bdce01736034/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 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:57:22,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:57:22,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:57:22,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:57:22,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:57:22,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:57:22,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:57:22,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:57:22,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:57:22,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:57:22,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:57:22,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:57:22,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:57:22,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:57:22,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:57:22,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:57:22,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:57:22,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:57:22,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:57:22,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:57:22,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:57:22,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:57:22,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:57:22,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:57:22,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:57:22,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:57:22,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:57:22,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:57:22,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:57:22,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:57:22,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:57:22,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:57:22,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:57:22,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:57:22,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:57:22,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:57:22,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:57:22,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:57:22,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:57:22,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:57:22,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:57:22,178 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:57:22,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:57:22,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:57:22,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:57:22,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:57:22,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:57:22,223 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:57:22,223 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:57:22,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:57:22,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:57:22,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:57:22,231 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:57:22,231 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:57:22,231 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:57:22,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:57:22,232 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:57:22,232 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:57:22,232 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:57:22,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:57:22,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:57:22,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:22,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:57:22,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:57:22,234 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:57:22,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:57:22,234 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_44fc629c-42b7-40b2-ba27-bdce01736034/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 [2021-11-23 00:57:22,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:57:22,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:57:22,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:57:22,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:57:22,566 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:57:22,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2021-11-23 00:57:22,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ/data/c2c06461e/ee82c089585f4f3daf9e52508f770986/FLAGd8ffed508 [2021-11-23 00:57:23,192 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:57:23,193 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2021-11-23 00:57:23,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ/data/c2c06461e/ee82c089585f4f3daf9e52508f770986/FLAGd8ffed508 [2021-11-23 00:57:23,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ/data/c2c06461e/ee82c089585f4f3daf9e52508f770986 [2021-11-23 00:57:23,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:57:23,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:57:23,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:23,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:57:23,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:57:23,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:23" (1/1) ... [2021-11-23 00:57:23,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f82238c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:23, skipping insertion in model container [2021-11-23 00:57:23,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:23" (1/1) ... [2021-11-23 00:57:23,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:57:23,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:57:23,946 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_44fc629c-42b7-40b2-ba27-bdce01736034/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2021-11-23 00:57:23,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:23,971 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:57:24,038 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_44fc629c-42b7-40b2-ba27-bdce01736034/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2021-11-23 00:57:24,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:24,075 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:57:24,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:24 WrapperNode [2021-11-23 00:57:24,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:24,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:24,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:57:24,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:57:24,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:24" (1/1) ... [2021-11-23 00:57:24,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:24" (1/1) ... [2021-11-23 00:57:24,154 INFO L137 Inliner]: procedures = 126, calls = 36, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 138 [2021-11-23 00:57:24,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:24,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:57:24,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:57:24,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:57:24,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:24" (1/1) ... [2021-11-23 00:57:24,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:24" (1/1) ... [2021-11-23 00:57:24,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:24" (1/1) ... [2021-11-23 00:57:24,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:24" (1/1) ... [2021-11-23 00:57:24,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:24" (1/1) ... [2021-11-23 00:57:24,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:24" (1/1) ... [2021-11-23 00:57:24,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:24" (1/1) ... [2021-11-23 00:57:24,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:57:24,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:57:24,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:57:24,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:57:24,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:24" (1/1) ... [2021-11-23 00:57:24,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:24,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:57:24,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:57:24,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fc629c-42b7-40b2-ba27-bdce01736034/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:57:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:57:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:57:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:57:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:57:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:57:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:57:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:57:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:57:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:57:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:57:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:57:24,370 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:57:24,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:57:24,798 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:57:24,834 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:57:24,834 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:57:24,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:24 BoogieIcfgContainer [2021-11-23 00:57:24,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:57:24,839 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:57:24,839 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:57:24,849 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:57:24,850 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:24" (1/1) ... [2021-11-23 00:57:24,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:57:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2021-11-23 00:57:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2021-11-23 00:57:24,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:57:24,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:24,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:25,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:25,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2021-11-23 00:57:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2021-11-23 00:57:25,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:57:25,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:25,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:25,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2021-11-23 00:57:25,347 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2021-11-23 00:57:25,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:57:25,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:25,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2021-11-23 00:57:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2021-11-23 00:57:25,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:57:25,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2021-11-23 00:57:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2021-11-23 00:57:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:57:25,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:25,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 83 states and 93 transitions. [2021-11-23 00:57:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2021-11-23 00:57:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:57:25,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2021-11-23 00:57:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2021-11-23 00:57:25,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:57:25,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:25,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2021-11-23 00:57:25,958 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2021-11-23 00:57:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:57:25,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2021-11-23 00:57:26,013 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-11-23 00:57:26,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:57:26,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:26,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:26,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2021-11-23 00:57:26,107 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2021-11-23 00:57:26,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:57:26,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:26,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2021-11-23 00:57:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2021-11-23 00:57:26,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:57:26,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:26,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:26,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:26,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:26,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2021-11-23 00:57:26,540 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-11-23 00:57:26,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:57:26,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:26,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:27,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2021-11-23 00:57:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-11-23 00:57:27,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:57:27,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:27,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2021-11-23 00:57:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-23 00:57:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:57:28,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:28,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:30,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2021-11-23 00:57:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2021-11-23 00:57:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:57:30,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:30,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:33,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 86 states and 106 transitions. [2021-11-23 00:57:33,566 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 106 transitions. [2021-11-23 00:57:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:57:33,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:33,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:36,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 94 states and 121 transitions. [2021-11-23 00:57:36,082 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2021-11-23 00:57:36,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:57:36,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:36,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:36,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 97 states and 127 transitions. [2021-11-23 00:57:38,397 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 127 transitions. [2021-11-23 00:57:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:57:38,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:38,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:41,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 100 states and 134 transitions. [2021-11-23 00:57:41,508 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 134 transitions. [2021-11-23 00:57:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:57:41,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:41,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:41,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:41,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 102 states and 138 transitions. [2021-11-23 00:57:41,912 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 138 transitions. [2021-11-23 00:57:41,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:57:41,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:41,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:42,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:43,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:43,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 104 states and 143 transitions. [2021-11-23 00:57:43,458 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2021-11-23 00:57:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:57:43,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:43,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:43,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 103 states and 142 transitions. [2021-11-23 00:57:43,502 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 142 transitions. [2021-11-23 00:57:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:57:43,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:43,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 105 states and 145 transitions. [2021-11-23 00:57:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 145 transitions. [2021-11-23 00:57:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:57:43,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:43,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:43,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:44,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:44,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 106 states and 147 transitions. [2021-11-23 00:57:44,277 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 147 transitions. [2021-11-23 00:57:44,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:57:44,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:44,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:44,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:57:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 107 states and 148 transitions. [2021-11-23 00:57:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 148 transitions. [2021-11-23 00:57:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:57:45,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:45,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:46,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:46,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 111 states and 154 transitions. [2021-11-23 00:57:46,779 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2021-11-23 00:57:46,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:57:46,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:46,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:48,133 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 00:57:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:56,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 124 states and 182 transitions. [2021-11-23 00:57:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions. [2021-11-23 00:57:56,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:57:56,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:56,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:57,996 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 00:58:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 130 states and 195 transitions. [2021-11-23 00:58:03,374 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 195 transitions. [2021-11-23 00:58:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:58:03,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 105 states and 145 transitions. [2021-11-23 00:58:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 145 transitions. [2021-11-23 00:58:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:58:04,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:04,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 104 states and 144 transitions. [2021-11-23 00:58:04,480 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 144 transitions. [2021-11-23 00:58:04,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:58:04,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:04,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 106 states and 147 transitions. [2021-11-23 00:58:04,564 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 147 transitions. [2021-11-23 00:58:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:58:04,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:08,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 111 states and 156 transitions. [2021-11-23 00:58:08,452 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 156 transitions. [2021-11-23 00:58:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:58:08,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:58:09,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 112 states and 157 transitions. [2021-11-23 00:58:09,445 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2021-11-23 00:58:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:58:09,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:58:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 112 states and 156 transitions. [2021-11-23 00:58:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2021-11-23 00:58:09,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:58:09,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 118 states and 166 transitions. [2021-11-23 00:58:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2021-11-23 00:58:15,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:58:15,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 128 states and 184 transitions. [2021-11-23 00:58:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2021-11-23 00:58:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:58:29,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 131 states and 188 transitions. [2021-11-23 00:58:34,836 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2021-11-23 00:58:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:58:34,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 140 states and 210 transitions. [2021-11-23 00:58:50,637 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 210 transitions. [2021-11-23 00:58:50,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:58:50,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 141 states and 212 transitions. [2021-11-23 00:58:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 212 transitions. [2021-11-23 00:58:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:58:55,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:20,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 153 states and 231 transitions. [2021-11-23 00:59:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 231 transitions. [2021-11-23 00:59:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:20,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:20,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:23,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 157 states and 236 transitions. [2021-11-23 00:59:23,956 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 236 transitions. [2021-11-23 00:59:23,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:23,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:23,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:59:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:23,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 156 states and 235 transitions. [2021-11-23 00:59:23,997 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 235 transitions. [2021-11-23 00:59:23,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:23,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:23,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:59:24,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:24,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 157 states and 236 transitions. [2021-11-23 00:59:24,053 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 236 transitions. [2021-11-23 00:59:24,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:59:24,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:24,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:24,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:59:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 164 states and 249 transitions. [2021-11-23 00:59:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 249 transitions. [2021-11-23 00:59:31,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:59:31,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:31,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:31,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:59:43,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 174 states and 268 transitions. [2021-11-23 00:59:43,713 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 268 transitions. [2021-11-23 00:59:43,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:59:43,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:43,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:52,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 175 states and 270 transitions. [2021-11-23 00:59:52,155 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 270 transitions. [2021-11-23 00:59:52,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:59:52,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:52,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 186 states and 292 transitions. [2021-11-23 01:00:11,630 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 292 transitions. [2021-11-23 01:00:11,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:00:11,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:11,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:11,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 187 states and 293 transitions. [2021-11-23 01:00:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 293 transitions. [2021-11-23 01:00:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:00:11,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:11,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:12,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:00:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 200 states and 327 transitions. [2021-11-23 01:00:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 327 transitions. [2021-11-23 01:00:35,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:00:35,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:35,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:01:02,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 213 states and 355 transitions. [2021-11-23 01:01:02,401 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 355 transitions. [2021-11-23 01:01:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:01:02,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:02,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:01:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 214 states and 357 transitions. [2021-11-23 01:01:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 357 transitions. [2021-11-23 01:01:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:01:03,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:03,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:20,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:20,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 222 states and 374 transitions. [2021-11-23 01:01:20,821 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 374 transitions. [2021-11-23 01:01:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:01:20,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:20,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:01:22,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 223 states and 376 transitions. [2021-11-23 01:01:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 376 transitions. [2021-11-23 01:01:22,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:01:22,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:22,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:01:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:26,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 225 states and 384 transitions. [2021-11-23 01:01:26,536 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 384 transitions. [2021-11-23 01:01:26,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:01:26,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:26,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 230 states and 400 transitions. [2021-11-23 01:01:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 400 transitions. [2021-11-23 01:01:38,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:01:38,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:38,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:01:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 233 states and 403 transitions. [2021-11-23 01:01:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 403 transitions. [2021-11-23 01:01:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:01:44,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:44,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:06,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 238 states and 409 transitions. [2021-11-23 01:02:06,681 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 409 transitions. [2021-11-23 01:02:06,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:02:06,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:06,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:03,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 254 states and 443 transitions. [2021-11-23 01:03:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 443 transitions. [2021-11-23 01:03:03,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:03:03,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:05,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:03:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 263 states and 461 transitions. [2021-11-23 01:03:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 461 transitions. [2021-11-23 01:03:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:03:28,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:03:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:42,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 268 states and 471 transitions. [2021-11-23 01:03:42,353 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 471 transitions. [2021-11-23 01:03:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:03:42,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:42,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:04:45,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:45,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 286 states and 506 transitions. [2021-11-23 01:04:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 506 transitions. [2021-11-23 01:04:45,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:04:45,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:45,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:04:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 292 states and 517 transitions. [2021-11-23 01:04:56,801 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 517 transitions. [2021-11-23 01:04:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:04:56,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:56,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 299 states and 530 transitions. [2021-11-23 01:05:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 530 transitions. [2021-11-23 01:05:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:05:26,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:26,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:05:36,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 304 states and 540 transitions. [2021-11-23 01:05:36,522 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 540 transitions. [2021-11-23 01:05:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:05:36,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:36,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:06:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 318 states and 570 transitions. [2021-11-23 01:06:13,525 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 570 transitions. [2021-11-23 01:06:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:06:13,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:13,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:13,551 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:06:15,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:15,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 319 states and 572 transitions. [2021-11-23 01:06:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 572 transitions. [2021-11-23 01:06:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:06:15,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:15,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:15,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:06:52,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:52,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 333 states and 599 transitions. [2021-11-23 01:06:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 599 transitions. [2021-11-23 01:06:52,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:06:52,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:52,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:41,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:41,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 343 states and 623 transitions. [2021-11-23 01:07:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 623 transitions. [2021-11-23 01:07:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:07:41,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:41,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:44,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:44,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 344 states and 625 transitions. [2021-11-23 01:07:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 625 transitions. [2021-11-23 01:07:44,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:07:44,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:44,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 354 states and 648 transitions. [2021-11-23 01:08:31,602 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 648 transitions. [2021-11-23 01:08:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:08:31,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:31,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 355 states and 649 transitions. [2021-11-23 01:08:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 649 transitions. [2021-11-23 01:08:34,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:08:34,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:34,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:53,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 359 states and 665 transitions. [2021-11-23 01:08:53,975 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 665 transitions. [2021-11-23 01:08:53,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:08:53,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:53,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:54,296 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:57,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 360 states and 667 transitions. [2021-11-23 01:08:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 667 transitions. [2021-11-23 01:08:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:08:57,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:57,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 364 states and 685 transitions. [2021-11-23 01:09:14,835 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 685 transitions. [2021-11-23 01:09:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:09:14,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:14,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 369 states and 693 transitions. [2021-11-23 01:09:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 693 transitions. [2021-11-23 01:09:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:09:29,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:29,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.