./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL --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 57855fd15a600148bf8b2d693e60ae0827a95c157ed69e07e1c42c75fda7c9c4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:41:30,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:41:30,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:41:30,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:41:30,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:41:30,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:41:30,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:41:30,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:41:30,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:41:30,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:41:30,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:41:30,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:41:30,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:41:30,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:41:30,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:41:30,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:41:30,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:41:30,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:41:30,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:41:30,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:41:30,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:41:30,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:41:30,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:41:30,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:41:30,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:41:30,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:41:30,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:41:30,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:41:30,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:41:30,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:41:30,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:41:30,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:41:30,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:41:30,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:41:30,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:41:30,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:41:30,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:41:30,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:41:30,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:41:30,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:41:30,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:41:30,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-25 06:41:30,217 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:41:30,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:41:30,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:41:30,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:41:30,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:41:30,223 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:41:30,223 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:41:30,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:41:30,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:41:30,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:41:30,225 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 06:41:30,225 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 06:41:30,225 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 06:41:30,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:41:30,226 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:41:30,226 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:41:30,226 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:41:30,227 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:41:30,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:41:30,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:41:30,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:41:30,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:41:30,228 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:41:30,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:41:30,228 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_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57855fd15a600148bf8b2d693e60ae0827a95c157ed69e07e1c42c75fda7c9c4 [2021-11-25 06:41:30,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:41:30,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:41:30,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:41:30,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:41:30,568 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:41:30,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2021-11-25 06:41:30,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/data/72d5abc1d/ffaa2ad42e1c4bafa358a9c09f5d8b9d/FLAG78cdb7f39 [2021-11-25 06:41:31,302 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:41:31,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2021-11-25 06:41:31,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/data/72d5abc1d/ffaa2ad42e1c4bafa358a9c09f5d8b9d/FLAG78cdb7f39 [2021-11-25 06:41:31,581 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/data/72d5abc1d/ffaa2ad42e1c4bafa358a9c09f5d8b9d [2021-11-25 06:41:31,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:41:31,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:41:31,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:41:31,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:41:31,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:41:31,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:41:31" (1/1) ... [2021-11-25 06:41:31,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e93d762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:31, skipping insertion in model container [2021-11-25 06:41:31,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:41:31" (1/1) ... [2021-11-25 06:41:31,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:41:31,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:41:31,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:41:31,959 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:41:32,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:41:32,038 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:41:32,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:32 WrapperNode [2021-11-25 06:41:32,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:41:32,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:41:32,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:41:32,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:41:32,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:32" (1/1) ... [2021-11-25 06:41:32,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:32" (1/1) ... [2021-11-25 06:41:32,109 INFO L137 Inliner]: procedures = 117, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2021-11-25 06:41:32,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:41:32,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:41:32,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:41:32,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:41:32,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:32" (1/1) ... [2021-11-25 06:41:32,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:32" (1/1) ... [2021-11-25 06:41:32,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:32" (1/1) ... [2021-11-25 06:41:32,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:32" (1/1) ... [2021-11-25 06:41:32,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:32" (1/1) ... [2021-11-25 06:41:32,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:32" (1/1) ... [2021-11-25 06:41:32,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:32" (1/1) ... [2021-11-25 06:41:32,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:41:32,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:41:32,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:41:32,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:41:32,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:41:32" (1/1) ... [2021-11-25 06:41:32,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:41:32,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:41:32,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:41:32,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36cfa4c3-9d4e-47f7-9844-4fd5cdb24ee9/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:41:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:41:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:41:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:41:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:41:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:41:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:41:32,419 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:41:32,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:41:32,694 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:41:32,731 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:41:32,731 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-25 06:41:32,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:41:32 BoogieIcfgContainer [2021-11-25 06:41:32,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:41:32,735 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:41:32,735 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:41:32,745 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:41:32,746 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:41:32" (1/1) ... [2021-11-25 06:41:32,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:41:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2021-11-25 06:41:32,813 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2021-11-25 06:41:32,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 06:41:32,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:32,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2021-11-25 06:41:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-11-25 06:41:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 06:41:33,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:33,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:33,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:33,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2021-11-25 06:41:33,196 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-11-25 06:41:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 06:41:33,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:33,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-25 06:41:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-25 06:41:33,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 06:41:33,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:33,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:33,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2021-11-25 06:41:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-11-25 06:41:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:41:33,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:33,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:33,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:34,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:34,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2021-11-25 06:41:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-11-25 06:41:34,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:41:34,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:34,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:34,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2021-11-25 06:41:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-11-25 06:41:34,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:41:34,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:34,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:34,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:35,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2021-11-25 06:41:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-25 06:41:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:41:35,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:35,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:35,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:35,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2021-11-25 06:41:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2021-11-25 06:41:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:41:35,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:35,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:35,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2021-11-25 06:41:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2021-11-25 06:41:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:41:36,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:36,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:36,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2021-11-25 06:41:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2021-11-25 06:41:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:41:38,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:38,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:41,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2021-11-25 06:41:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2021-11-25 06:41:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:41:41,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:41,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2021-11-25 06:41:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2021-11-25 06:41:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:41:41,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:41,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:41:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2021-11-25 06:41:42,556 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2021-11-25 06:41:42,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:41:42,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:42,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:46,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:46,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2021-11-25 06:41:46,031 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2021-11-25 06:41:46,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:41:46,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:46,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:46,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:47,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:47,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2021-11-25 06:41:47,206 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2021-11-25 06:41:47,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:41:47,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:47,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:41:47,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 61 transitions. [2021-11-25 06:41:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-11-25 06:41:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:41:47,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:47,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:51,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2021-11-25 06:41:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2021-11-25 06:41:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:41:51,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:51,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:41:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2021-11-25 06:41:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2021-11-25 06:41:53,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:41:53,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:53,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:01,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 103 transitions. [2021-11-25 06:42:01,848 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 103 transitions. [2021-11-25 06:42:01,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:42:01,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:01,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:02,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 99 transitions. [2021-11-25 06:42:04,891 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 99 transitions. [2021-11-25 06:42:04,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:42:04,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:04,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:04,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:42:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 62 states and 101 transitions. [2021-11-25 06:42:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 101 transitions. [2021-11-25 06:42:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:42:05,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:05,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:42:06,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 93 transitions. [2021-11-25 06:42:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 93 transitions. [2021-11-25 06:42:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:42:06,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:06,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:06,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:14,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 68 states and 117 transitions. [2021-11-25 06:42:14,450 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 117 transitions. [2021-11-25 06:42:14,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:42:14,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:14,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:42:20,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:20,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 76 states and 138 transitions. [2021-11-25 06:42:20,843 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 138 transitions. [2021-11-25 06:42:20,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:42:20,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:20,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:42:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 83 states and 155 transitions. [2021-11-25 06:42:30,771 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2021-11-25 06:42:30,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:42:30,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:30,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:41,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:41,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 90 states and 167 transitions. [2021-11-25 06:42:41,135 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 167 transitions. [2021-11-25 06:42:41,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:42:41,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:41,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:42,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 90 states and 166 transitions. [2021-11-25 06:42:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 166 transitions. [2021-11-25 06:42:42,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:42:42,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:42,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:42,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:42:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 93 states and 171 transitions. [2021-11-25 06:42:46,117 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 171 transitions. [2021-11-25 06:42:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:42:46,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:46,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:55,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 100 states and 194 transitions. [2021-11-25 06:42:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 194 transitions. [2021-11-25 06:42:55,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:42:55,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:55,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:42:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 103 states and 199 transitions. [2021-11-25 06:42:58,996 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 199 transitions. [2021-11-25 06:42:58,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:42:58,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:58,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:04,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:04,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 108 states and 209 transitions. [2021-11-25 06:43:04,411 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 209 transitions. [2021-11-25 06:43:04,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:43:04,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:04,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:05,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 108 states and 208 transitions. [2021-11-25 06:43:05,384 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 208 transitions. [2021-11-25 06:43:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:43:05,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:05,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:08,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 115 states and 227 transitions. [2021-11-25 06:43:19,388 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 227 transitions. [2021-11-25 06:43:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:43:19,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:19,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:43:33,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:33,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 124 states and 244 transitions. [2021-11-25 06:43:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 244 transitions. [2021-11-25 06:43:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:43:33,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:33,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:43:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 132 states and 265 transitions. [2021-11-25 06:43:50,512 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 265 transitions. [2021-11-25 06:43:50,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:43:50,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:50,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:43:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:58,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 137 states and 277 transitions. [2021-11-25 06:43:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 277 transitions. [2021-11-25 06:43:58,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:43:58,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:58,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:58,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:04,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 140 states and 281 transitions. [2021-11-25 06:44:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 281 transitions. [2021-11-25 06:44:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:44:04,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:04,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:04,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:07,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:07,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 142 states and 285 transitions. [2021-11-25 06:44:07,981 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 285 transitions. [2021-11-25 06:44:07,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:44:07,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:07,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:09,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:44:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 136 states and 269 transitions. [2021-11-25 06:44:15,691 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 269 transitions. [2021-11-25 06:44:15,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:44:15,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:15,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:44:24,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 135 states and 266 transitions. [2021-11-25 06:44:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 266 transitions. [2021-11-25 06:44:24,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:44:24,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:24,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:44:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:26,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 129 states and 253 transitions. [2021-11-25 06:44:26,210 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 253 transitions. [2021-11-25 06:44:26,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:44:26,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:26,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:44:38,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 133 states and 263 transitions. [2021-11-25 06:44:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 263 transitions. [2021-11-25 06:44:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:44:38,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:38,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:44:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:42,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 134 states and 262 transitions. [2021-11-25 06:44:42,787 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 262 transitions. [2021-11-25 06:44:42,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:44:42,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:42,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:46,435 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:44:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 135 states and 264 transitions. [2021-11-25 06:44:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 264 transitions. [2021-11-25 06:44:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:44:54,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:54,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:59,586 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:45:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 146 states and 293 transitions. [2021-11-25 06:45:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 293 transitions. [2021-11-25 06:45:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:45:26,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:26,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:26,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:45:29,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 147 states and 295 transitions. [2021-11-25 06:45:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 295 transitions. [2021-11-25 06:45:29,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:45:29,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:29,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:45:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 155 states and 320 transitions. [2021-11-25 06:45:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 320 transitions. [2021-11-25 06:45:47,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:45:47,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:47,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:45:49,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 156 states and 322 transitions. [2021-11-25 06:45:49,318 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 322 transitions. [2021-11-25 06:45:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:45:49,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:49,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:57,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:20,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 160 states and 343 transitions. [2021-11-25 06:46:20,694 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 343 transitions. [2021-11-25 06:46:20,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:46:20,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:20,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:46:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:32,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 160 states and 342 transitions. [2021-11-25 06:46:32,356 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 342 transitions. [2021-11-25 06:46:32,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:46:32,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:32,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 06:46:38,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:38,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 163 states and 346 transitions. [2021-11-25 06:46:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 346 transitions. [2021-11-25 06:46:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:46:38,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:38,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:46:45,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:45,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 166 states and 352 transitions. [2021-11-25 06:46:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 352 transitions. [2021-11-25 06:46:45,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:46:45,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:45,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 06:46:50,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:50,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 167 states and 354 transitions. [2021-11-25 06:46:50,570 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 354 transitions. [2021-11-25 06:46:50,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:46:50,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:50,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:47:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:01,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 163 states and 345 transitions. [2021-11-25 06:47:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 345 transitions. [2021-11-25 06:47:02,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:47:02,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:02,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 06:47:07,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 166 states and 350 transitions. [2021-11-25 06:47:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 350 transitions. [2021-11-25 06:47:07,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:47:07,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:07,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:13,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:47:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:43,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 175 states and 381 transitions. [2021-11-25 06:47:43,124 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 381 transitions. [2021-11-25 06:47:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:47:43,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:43,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:48:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:08,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 182 states and 399 transitions. [2021-11-25 06:48:08,063 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 399 transitions. [2021-11-25 06:48:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:48:08,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:08,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:48:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 192 states and 431 transitions. [2021-11-25 06:48:40,713 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 431 transitions. [2021-11-25 06:48:40,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 06:48:40,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:40,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:48:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:48:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 190 states and 426 transitions. [2021-11-25 06:48:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 426 transitions. [2021-11-25 06:48:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:48:43,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:48:43,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:48:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:48:48,480 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:49:03,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:03,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 192 states and 434 transitions. [2021-11-25 06:49:03,383 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 434 transitions. [2021-11-25 06:49:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:49:03,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:03,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 06:49:25,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:25,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 196 states and 439 transitions. [2021-11-25 06:49:25,010 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 439 transitions. [2021-11-25 06:49:25,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:49:25,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:25,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 06:49:29,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 198 states and 449 transitions. [2021-11-25 06:49:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 449 transitions. [2021-11-25 06:49:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:49:29,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:29,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:29,408 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 06:49:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 201 states and 453 transitions. [2021-11-25 06:49:36,199 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 453 transitions. [2021-11-25 06:49:36,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:49:36,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:36,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:49:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:02,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 203 states and 467 transitions. [2021-11-25 06:50:02,608 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 467 transitions. [2021-11-25 06:50:02,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:50:02,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:02,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:50:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:25,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 210 states and 486 transitions. [2021-11-25 06:50:25,892 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 486 transitions. [2021-11-25 06:50:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:50:25,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:25,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:50:38,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:38,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 213 states and 495 transitions. [2021-11-25 06:50:38,956 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 495 transitions. [2021-11-25 06:50:38,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:50:38,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:38,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:52:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 229 states and 548 transitions. [2021-11-25 06:52:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 548 transitions. [2021-11-25 06:52:02,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:02,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:02,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:03,011 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:52:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 231 states and 565 transitions. [2021-11-25 06:52:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 565 transitions. [2021-11-25 06:52:10,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:10,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:10,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:52:13,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 232 states and 570 transitions. [2021-11-25 06:52:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 570 transitions. [2021-11-25 06:52:13,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:13,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:13,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:52:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:26,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 234 states and 582 transitions. [2021-11-25 06:52:26,543 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 582 transitions. [2021-11-25 06:52:26,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:52:26,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:26,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:52:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 236 states and 593 transitions. [2021-11-25 06:52:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 593 transitions. [2021-11-25 06:52:37,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:52:37,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:37,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:45,777 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.