./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_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_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/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_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/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_d1169e57-f549-408d-8599-16bd0bb34d8b/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 a81d76a671fec08918102c7898e8919d02b265d05707efa1508363dab4714d44 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:40:53,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:40:53,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:40:53,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:40:53,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:40:53,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:40:53,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:40:53,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:40:53,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:40:53,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:40:53,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:40:53,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:40:53,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:40:53,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:40:53,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:40:53,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:40:53,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:40:53,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:40:53,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:40:53,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:40:53,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:40:53,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:40:53,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:40:53,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:40:53,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:40:53,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:40:53,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:40:53,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:40:53,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:40:53,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:40:53,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:40:53,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:40:53,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:40:53,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:40:53,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:40:53,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:40:53,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:40:53,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:40:53,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:40:53,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:40:53,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:40:53,997 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:40:54,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:40:54,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:40:54,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:40:54,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:40:54,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:40:54,050 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:40:54,051 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:40:54,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:40:54,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:40:54,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:40:54,059 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:40:54,059 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:40:54,059 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:40:54,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:40:54,060 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:40:54,060 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:40:54,060 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:40:54,061 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:40:54,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:40:54,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:40:54,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:40:54,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:40:54,062 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:40:54,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:40:54,062 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_d1169e57-f549-408d-8599-16bd0bb34d8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a81d76a671fec08918102c7898e8919d02b265d05707efa1508363dab4714d44 [2021-11-23 00:40:54,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:40:54,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:40:54,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:40:54,412 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:40:54,413 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:40:54,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2021-11-23 00:40:54,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ/data/b6e8eb85b/40957505af354bc8b4a324d1d90600bd/FLAG4519f83e1 [2021-11-23 00:40:55,158 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:40:55,159 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i [2021-11-23 00:40:55,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ/data/b6e8eb85b/40957505af354bc8b4a324d1d90600bd/FLAG4519f83e1 [2021-11-23 00:40:55,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ/data/b6e8eb85b/40957505af354bc8b4a324d1d90600bd [2021-11-23 00:40:55,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:40:55,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:40:55,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:40:55,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:40:55,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:40:55,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:55,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8c3633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55, skipping insertion in model container [2021-11-23 00:40:55,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:55,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:40:55,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:40:55,837 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_d1169e57-f549-408d-8599-16bd0bb34d8b/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i[24177,24190] [2021-11-23 00:40:55,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:40:55,862 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:40:55,932 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_d1169e57-f549-408d-8599-16bd0bb34d8b/sv-benchmarks/c/list-simple/dll2c_remove_all_reverse.i[24177,24190] [2021-11-23 00:40:55,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:40:55,968 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:40:55,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55 WrapperNode [2021-11-23 00:40:55,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:40:55,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:40:55,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:40:55,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:40:55,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:56,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:56,044 INFO L137 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 125 [2021-11-23 00:40:56,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:40:56,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:40:56,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:40:56,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:40:56,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:56,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:56,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:56,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:56,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:56,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:56,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:56,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:40:56,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:40:56,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:40:56,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:40:56,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:55" (1/1) ... [2021-11-23 00:40:56,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:40:56,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:40:56,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:40:56,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1169e57-f549-408d-8599-16bd0bb34d8b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:40:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:40:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:40:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:40:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:40:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:40:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:40:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:40:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:40:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:40:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:40:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:40:56,330 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:40:56,332 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:40:56,815 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:40:56,865 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:40:56,866 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:40:56,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:40:56 BoogieIcfgContainer [2021-11-23 00:40:56,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:40:56,870 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:40:56,870 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:40:56,882 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:40:56,883 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:40:56" (1/1) ... [2021-11-23 00:40:56,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:40:56,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 92 states and 98 transitions. [2021-11-23 00:40:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2021-11-23 00:40:56,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:40:56,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:56,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:57,164 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 00:40:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2021-11-23 00:40:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2021-11-23 00:40:57,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:40:57,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:57,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:57,317 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 00:40:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2021-11-23 00:40:57,405 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2021-11-23 00:40:57,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:40:57,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:57,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:57,461 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 00:40:57,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:57,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 89 states and 95 transitions. [2021-11-23 00:40:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2021-11-23 00:40:57,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:40:57,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:57,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:57,559 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 00:40:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:57,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 88 states and 94 transitions. [2021-11-23 00:40:57,587 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2021-11-23 00:40:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:40:57,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:57,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:57,641 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 00:40:57,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:57,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 87 states and 93 transitions. [2021-11-23 00:40:57,664 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2021-11-23 00:40:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:40:57,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:57,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:57,722 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 00:40:57,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:57,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 86 states and 92 transitions. [2021-11-23 00:40:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2021-11-23 00:40:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:40:57,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:57,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:57,821 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 00:40:57,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 87 states and 94 transitions. [2021-11-23 00:40:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2021-11-23 00:40:57,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:40:57,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:57,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:58,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 86 states and 93 transitions. [2021-11-23 00:40:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2021-11-23 00:40:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:40:58,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:58,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:58,146 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 00:40:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:58,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 85 states and 92 transitions. [2021-11-23 00:40:58,176 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2021-11-23 00:40:58,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:40:58,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:58,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:58,218 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 00:40:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2021-11-23 00:40:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2021-11-23 00:40:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:40:58,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:58,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:58,288 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 00:40:58,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2021-11-23 00:40:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2021-11-23 00:40:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:40:58,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:58,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:58,341 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 00:40:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 82 states and 89 transitions. [2021-11-23 00:40:58,358 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2021-11-23 00:40:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:40:58,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:58,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:58,420 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 00:40:58,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:58,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 81 states and 88 transitions. [2021-11-23 00:40:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2021-11-23 00:40:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:40:58,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:58,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:58,497 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 00:40:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:58,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 80 states and 87 transitions. [2021-11-23 00:40:58,533 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2021-11-23 00:40:58,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:40:58,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:58,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:58,606 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 00:40:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2021-11-23 00:40:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2021-11-23 00:40:58,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:40:58,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:58,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:58,932 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 00:40:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 87 states and 99 transitions. [2021-11-23 00:40:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2021-11-23 00:40:59,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:40:59,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:59,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:59,545 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 00:41:00,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:00,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2021-11-23 00:41:00,308 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-23 00:41:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:41:00,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:00,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:00,429 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 00:41:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 101 states and 119 transitions. [2021-11-23 00:41:01,523 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 119 transitions. [2021-11-23 00:41:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:41:01,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:01,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:01,709 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 00:41:03,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 112 states and 147 transitions. [2021-11-23 00:41:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 147 transitions. [2021-11-23 00:41:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:41:03,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:03,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:03,464 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 00:41:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 123 states and 178 transitions. [2021-11-23 00:41:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 178 transitions. [2021-11-23 00:41:06,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:41:06,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:06,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:06,102 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 00:41:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 127 states and 191 transitions. [2021-11-23 00:41:07,417 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 191 transitions. [2021-11-23 00:41:07,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:41:07,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:07,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:07,492 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 00:41:08,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 131 states and 201 transitions. [2021-11-23 00:41:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2021-11-23 00:41:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:41:08,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:08,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:09,485 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 00:41:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 238 transitions. [2021-11-23 00:41:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 238 transitions. [2021-11-23 00:41:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:41:13,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:13,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:14,049 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 00:41:19,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:19,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 159 states and 275 transitions. [2021-11-23 00:41:19,208 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 275 transitions. [2021-11-23 00:41:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:41:19,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:19,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:19,449 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 00:41:24,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:24,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 172 states and 310 transitions. [2021-11-23 00:41:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 310 transitions. [2021-11-23 00:41:24,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:41:24,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:24,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:25,437 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 00:41:26,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 175 states and 316 transitions. [2021-11-23 00:41:26,747 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 316 transitions. [2021-11-23 00:41:26,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:41:26,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:26,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:27,303 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 00:41:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 178 states and 322 transitions. [2021-11-23 00:41:29,393 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 322 transitions. [2021-11-23 00:41:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:41:29,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:29,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:29,421 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 00:41:30,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:30,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 179 states and 324 transitions. [2021-11-23 00:41:30,015 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 324 transitions. [2021-11-23 00:41:30,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:41:30,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:30,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:30,492 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 00:41:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 181 states and 328 transitions. [2021-11-23 00:41:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 328 transitions. [2021-11-23 00:41:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:31,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:31,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:33,794 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 00:41:41,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 191 states and 354 transitions. [2021-11-23 00:41:41,191 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 354 transitions. [2021-11-23 00:41:41,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:41,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:41,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:42,602 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 00:41:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:48,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 197 states and 365 transitions. [2021-11-23 00:41:48,137 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 365 transitions. [2021-11-23 00:41:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:48,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:48,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:48,167 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 00:41:49,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:49,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 198 states and 368 transitions. [2021-11-23 00:41:49,049 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 368 transitions. [2021-11-23 00:41:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:49,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:49,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:49,096 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 00:41:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:49,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 200 states and 373 transitions. [2021-11-23 00:41:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 373 transitions. [2021-11-23 00:41:49,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:41:49,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:49,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:51,038 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 00:41:52,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 201 states and 373 transitions. [2021-11-23 00:41:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 373 transitions. [2021-11-23 00:41:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:41:52,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:52,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 209 states and 387 transitions. [2021-11-23 00:41:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 387 transitions. [2021-11-23 00:41:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:41:56,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:56,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:57,152 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 00:42:00,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 213 states and 395 transitions. [2021-11-23 00:42:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 395 transitions. [2021-11-23 00:42:00,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:42:00,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:00,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:00,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:01,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:01,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 106 states and 143 transitions. [2021-11-23 00:42:01,202 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 143 transitions. [2021-11-23 00:42:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:42:01,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:01,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:03,385 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 00:42:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 114 states and 157 transitions. [2021-11-23 00:42:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 157 transitions. [2021-11-23 00:42:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:42:19,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:19,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:21,155 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 00:42:36,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 173 transitions. [2021-11-23 00:42:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2021-11-23 00:42:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:42:36,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:36,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:36,569 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 00:42:38,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 121 states and 172 transitions. [2021-11-23 00:42:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2021-11-23 00:42:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:42:38,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:38,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:39,125 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 00:42:45,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:45,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 127 states and 184 transitions. [2021-11-23 00:42:45,695 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2021-11-23 00:42:45,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:42:45,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:45,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:47,194 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 00:43:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 137 states and 204 transitions. [2021-11-23 00:43:08,519 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 204 transitions. [2021-11-23 00:43:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:43:08,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:08,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:08,548 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 00:43:13,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:13,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 142 states and 209 transitions. [2021-11-23 00:43:13,431 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 209 transitions. [2021-11-23 00:43:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:43:13,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:13,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:15,665 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 00:43:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:24,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 149 states and 225 transitions. [2021-11-23 00:43:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 225 transitions. [2021-11-23 00:43:24,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:43:24,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:24,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:24,316 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 00:43:27,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:27,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 153 states and 230 transitions. [2021-11-23 00:43:27,954 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2021-11-23 00:43:27,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:43:27,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:27,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:31,376 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 00:43:43,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 159 states and 239 transitions. [2021-11-23 00:43:43,689 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 239 transitions. [2021-11-23 00:43:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:43:43,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:43,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:44,719 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 00:43:57,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 167 states and 252 transitions. [2021-11-23 00:43:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 252 transitions. [2021-11-23 00:43:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:43:57,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:57,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:58,001 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 00:43:59,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:59,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 168 states and 254 transitions. [2021-11-23 00:43:59,185 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 254 transitions. [2021-11-23 00:43:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:43:59,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:59,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:59,213 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 00:44:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:00,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 170 states and 257 transitions. [2021-11-23 00:44:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 257 transitions. [2021-11-23 00:44:00,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:44:00,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:00,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:07,270 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 00:44:50,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 183 states and 280 transitions. [2021-11-23 00:44:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 280 transitions. [2021-11-23 00:44:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:44:50,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:50,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:56,943 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 00:45:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 196 states and 303 transitions. [2021-11-23 00:45:40,880 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 303 transitions. [2021-11-23 00:45:40,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:45:40,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:40,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:42,496 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 00:46:06,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:06,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 207 states and 331 transitions. [2021-11-23 00:46:06,276 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 331 transitions. [2021-11-23 00:46:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:46:06,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:06,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:06,750 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 00:46:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 209 states and 336 transitions. [2021-11-23 00:46:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 336 transitions. [2021-11-23 00:46:08,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:46:08,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:08,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:08,990 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 00:46:33,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:33,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 220 states and 363 transitions. [2021-11-23 00:46:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 363 transitions. [2021-11-23 00:46:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:46:33,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:33,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:33,812 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 00:46:35,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 221 states and 374 transitions. [2021-11-23 00:46:35,594 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 374 transitions. [2021-11-23 00:46:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:46:35,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:35,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:40,441 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 00:47:16,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:16,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 226 states and 382 transitions. [2021-11-23 00:47:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 382 transitions. [2021-11-23 00:47:16,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:47:16,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:16,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:17,602 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 00:47:36,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 234 states and 397 transitions. [2021-11-23 00:47:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 397 transitions. [2021-11-23 00:47:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:47:36,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:36,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:36,977 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 00:47:54,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 242 states and 410 transitions. [2021-11-23 00:47:54,912 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 410 transitions. [2021-11-23 00:47:54,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:47:54,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:54,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:54,957 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 00:48:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 250 states and 423 transitions. [2021-11-23 00:48:15,175 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 423 transitions. [2021-11-23 00:48:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:48:15,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:15,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:20,870 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 00:48:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 260 states and 445 transitions. [2021-11-23 00:48:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 445 transitions. [2021-11-23 00:48:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:48:51,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:51,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:55,011 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 00:49:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:12,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 265 states and 462 transitions. [2021-11-23 00:49:12,191 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 462 transitions. [2021-11-23 00:49:12,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:49:12,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:12,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:13,414 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 00:49:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 266 states and 463 transitions. [2021-11-23 00:49:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 463 transitions. [2021-11-23 00:49:15,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:49:15,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:15,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:16,022 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 00:49:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 268 states and 466 transitions. [2021-11-23 00:49:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 466 transitions. [2021-11-23 00:49:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:49:20,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:20,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:38,605 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:14,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 274 states and 487 transitions. [2021-11-23 00:50:14,340 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 487 transitions. [2021-11-23 00:50:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:50:14,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:14,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:44,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:44,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 278 states and 497 transitions. [2021-11-23 00:50:44,933 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 497 transitions. [2021-11-23 00:50:44,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:50:44,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:44,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:27,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 282 states and 503 transitions. [2021-11-23 00:51:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 503 transitions. [2021-11-23 00:51:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:51:27,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:27,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:33,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:13,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 293 states and 521 transitions. [2021-11-23 00:52:13,813 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 521 transitions. [2021-11-23 00:52:13,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:52:13,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:13,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:13,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 294 states and 522 transitions. [2021-11-23 00:52:16,603 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 522 transitions. [2021-11-23 00:52:16,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:52:16,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:16,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.