./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_insert_equal.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_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/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_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/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_fc1b0aab-53b2-448c-8758-7a580ef965f3/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 8eaca07dd267d84d5b5f55ad6096951e873362e33b975be77e0f552bdb4e3bcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:42:42,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:42:42,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:42:42,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:42:42,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:42:42,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:42:42,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:42:42,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:42:42,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:42:42,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:42:42,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:42:42,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:42:42,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:42:42,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:42:42,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:42:42,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:42:42,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:42:42,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:42:42,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:42:42,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:42:42,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:42:42,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:42:42,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:42:42,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:42:42,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:42:42,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:42:42,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:42:42,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:42:42,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:42:42,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:42:42,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:42:42,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:42:42,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:42:42,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:42:42,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:42:42,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:42:42,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:42:42,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:42:42,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:42:42,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:42:42,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:42:42,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:42:42,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:42:42,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:42:42,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:42:42,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:42:42,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:42:42,140 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:42:42,141 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:42:42,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:42:42,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:42:42,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:42:42,143 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:42:42,143 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:42:42,144 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:42:42,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:42:42,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:42:42,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:42:42,146 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:42:42,146 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:42:42,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:42:42,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:42:42,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:42:42,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:42:42,148 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:42:42,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:42:42,149 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_fc1b0aab-53b2-448c-8758-7a580ef965f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8eaca07dd267d84d5b5f55ad6096951e873362e33b975be77e0f552bdb4e3bcb [2021-11-23 01:42:42,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:42:42,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:42:42,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:42:42,445 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:42:42,446 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:42:42,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/sll2c_insert_equal.i [2021-11-23 01:42:42,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ/data/8ec050d03/6294de9ddb834ec6bb737057ac08bcd8/FLAG8415600ea [2021-11-23 01:42:43,148 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:42:43,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/sv-benchmarks/c/list-simple/sll2c_insert_equal.i [2021-11-23 01:42:43,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ/data/8ec050d03/6294de9ddb834ec6bb737057ac08bcd8/FLAG8415600ea [2021-11-23 01:42:43,413 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ/data/8ec050d03/6294de9ddb834ec6bb737057ac08bcd8 [2021-11-23 01:42:43,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:42:43,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:42:43,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:42:43,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:42:43,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:42:43,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:42:43" (1/1) ... [2021-11-23 01:42:43,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee58f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:43, skipping insertion in model container [2021-11-23 01:42:43,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:42:43" (1/1) ... [2021-11-23 01:42:43,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:42:43,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:42:43,907 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_fc1b0aab-53b2-448c-8758-7a580ef965f3/sv-benchmarks/c/list-simple/sll2c_insert_equal.i[24601,24614] [2021-11-23 01:42:43,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:42:43,925 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:42:44,004 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_fc1b0aab-53b2-448c-8758-7a580ef965f3/sv-benchmarks/c/list-simple/sll2c_insert_equal.i[24601,24614] [2021-11-23 01:42:44,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:42:44,045 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:42:44,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:44 WrapperNode [2021-11-23 01:42:44,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:42:44,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:42:44,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:42:44,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:42:44,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:44" (1/1) ... [2021-11-23 01:42:44,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:44" (1/1) ... [2021-11-23 01:42:44,116 INFO L137 Inliner]: procedures = 127, calls = 43, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 173 [2021-11-23 01:42:44,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:42:44,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:42:44,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:42:44,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:42:44,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:44" (1/1) ... [2021-11-23 01:42:44,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:44" (1/1) ... [2021-11-23 01:42:44,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:44" (1/1) ... [2021-11-23 01:42:44,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:44" (1/1) ... [2021-11-23 01:42:44,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:44" (1/1) ... [2021-11-23 01:42:44,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:44" (1/1) ... [2021-11-23 01:42:44,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:44" (1/1) ... [2021-11-23 01:42:44,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:42:44,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:42:44,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:42:44,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:42:44,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:44" (1/1) ... [2021-11-23 01:42:44,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:42:44,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:42:44,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:42:44,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b0aab-53b2-448c-8758-7a580ef965f3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:42:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:42:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:42:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:42:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:42:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:42:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:42:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:42:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:42:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:42:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:42:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:42:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:42:44,490 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:42:44,506 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:42:44,948 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:42:45,021 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:42:45,022 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:42:45,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:45 BoogieIcfgContainer [2021-11-23 01:42:45,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:42:45,025 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:42:45,025 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:42:45,050 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:42:45,050 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:45" (1/1) ... [2021-11-23 01:42:45,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:42:45,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 113 states and 125 transitions. [2021-11-23 01:42:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2021-11-23 01:42:45,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:42:45,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:45,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:45,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:45,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 112 states and 124 transitions. [2021-11-23 01:42:45,377 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2021-11-23 01:42:45,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:42:45,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:45,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 111 states and 123 transitions. [2021-11-23 01:42:45,536 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2021-11-23 01:42:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:42:45,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:45,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 110 states and 122 transitions. [2021-11-23 01:42:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2021-11-23 01:42:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:42:45,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:45,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:45,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:45,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 109 states and 121 transitions. [2021-11-23 01:42:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2021-11-23 01:42:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:42:45,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:45,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 110 states and 123 transitions. [2021-11-23 01:42:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 123 transitions. [2021-11-23 01:42:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:42:45,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:45,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 109 states and 122 transitions. [2021-11-23 01:42:45,940 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2021-11-23 01:42:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:42:45,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:45,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:45,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:45,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 108 states and 121 transitions. [2021-11-23 01:42:45,995 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2021-11-23 01:42:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:42:45,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:45,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:46,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:46,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 107 states and 120 transitions. [2021-11-23 01:42:46,040 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2021-11-23 01:42:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:42:46,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:46,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:46,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:46,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:46,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 106 states and 119 transitions. [2021-11-23 01:42:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2021-11-23 01:42:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:42:46,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:46,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:46,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:46,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2021-11-23 01:42:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2021-11-23 01:42:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:42:46,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:46,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:46,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:46,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2021-11-23 01:42:46,411 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2021-11-23 01:42:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:42:46,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:46,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2021-11-23 01:42:47,209 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2021-11-23 01:42:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:42:47,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:47,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:48,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 102 states and 115 transitions. [2021-11-23 01:42:48,163 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2021-11-23 01:42:48,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:42:48,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:48,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:48,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 101 states and 114 transitions. [2021-11-23 01:42:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2021-11-23 01:42:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:42:48,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:48,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:48,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:48,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 100 states and 113 transitions. [2021-11-23 01:42:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2021-11-23 01:42:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:42:48,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:48,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:48,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 99 states and 112 transitions. [2021-11-23 01:42:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2021-11-23 01:42:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:42:48,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:48,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:48,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:48,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 98 states and 111 transitions. [2021-11-23 01:42:48,349 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2021-11-23 01:42:48,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:42:48,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:48,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:50,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2021-11-23 01:42:50,599 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2021-11-23 01:42:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:42:50,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:50,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 96 states and 109 transitions. [2021-11-23 01:42:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2021-11-23 01:42:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:42:53,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:53,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 98 states and 113 transitions. [2021-11-23 01:42:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2021-11-23 01:42:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:42:56,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:56,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:57,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 100 states and 119 transitions. [2021-11-23 01:43:00,583 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2021-11-23 01:43:00,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:43:00,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:00,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:01,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 103 states and 128 transitions. [2021-11-23 01:43:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 128 transitions. [2021-11-23 01:43:01,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:43:01,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:01,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:02,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 106 states and 137 transitions. [2021-11-23 01:43:02,519 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 137 transitions. [2021-11-23 01:43:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:43:02,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:02,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:04,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 143 transitions. [2021-11-23 01:43:04,154 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2021-11-23 01:43:04,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:43:04,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:04,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:10,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 111 states and 156 transitions. [2021-11-23 01:43:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 156 transitions. [2021-11-23 01:43:10,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:43:10,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:10,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 112 states and 157 transitions. [2021-11-23 01:43:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2021-11-23 01:43:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:10,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:10,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 114 states and 161 transitions. [2021-11-23 01:43:10,986 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 161 transitions. [2021-11-23 01:43:10,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:10,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:10,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:11,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 115 states and 163 transitions. [2021-11-23 01:43:11,597 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2021-11-23 01:43:11,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:11,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:11,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:11,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:13,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 116 states and 164 transitions. [2021-11-23 01:43:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2021-11-23 01:43:13,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:13,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:13,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:13,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 117 states and 166 transitions. [2021-11-23 01:43:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 166 transitions. [2021-11-23 01:43:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:14,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:14,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:16,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 120 states and 179 transitions. [2021-11-23 01:43:16,715 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 179 transitions. [2021-11-23 01:43:16,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:16,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:16,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:16,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:17,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 121 states and 185 transitions. [2021-11-23 01:43:17,355 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 185 transitions. [2021-11-23 01:43:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:17,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:17,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:17,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 122 states and 188 transitions. [2021-11-23 01:43:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 188 transitions. [2021-11-23 01:43:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:17,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:17,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:17,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:18,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:18,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 123 states and 189 transitions. [2021-11-23 01:43:18,478 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 189 transitions. [2021-11-23 01:43:18,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:18,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:18,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:21,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:21,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 126 states and 197 transitions. [2021-11-23 01:43:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 197 transitions. [2021-11-23 01:43:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:21,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:21,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:22,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 127 states and 201 transitions. [2021-11-23 01:43:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 201 transitions. [2021-11-23 01:43:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:22,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:22,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 128 states and 205 transitions. [2021-11-23 01:43:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 205 transitions. [2021-11-23 01:43:23,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:23,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:23,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:24,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 211 transitions. [2021-11-23 01:43:24,098 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2021-11-23 01:43:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:24,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:24,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:24,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 130 states and 212 transitions. [2021-11-23 01:43:24,779 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 212 transitions. [2021-11-23 01:43:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:43:24,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:24,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:25,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 131 states and 213 transitions. [2021-11-23 01:43:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 213 transitions. [2021-11-23 01:43:25,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:25,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:25,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:30,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 137 states and 233 transitions. [2021-11-23 01:43:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2021-11-23 01:43:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:30,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:30,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:30,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 143 states and 253 transitions. [2021-11-23 01:43:36,049 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 253 transitions. [2021-11-23 01:43:36,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:36,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:36,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:36,079 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:36,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:36,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 100 states and 120 transitions. [2021-11-23 01:43:36,908 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 120 transitions. [2021-11-23 01:43:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:36,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:36,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 100 states and 119 transitions. [2021-11-23 01:43:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2021-11-23 01:43:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:37,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:37,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:37,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:39,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:39,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2021-11-23 01:43:39,045 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2021-11-23 01:43:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:39,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:39,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:39,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:40,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 97 states and 113 transitions. [2021-11-23 01:43:40,076 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2021-11-23 01:43:40,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:43:40,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:40,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 92 states and 108 transitions. [2021-11-23 01:43:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 108 transitions. [2021-11-23 01:43:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:43:40,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:40,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2021-11-23 01:43:48,220 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-23 01:43:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:43:48,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:48,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:51,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2021-11-23 01:43:51,805 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2021-11-23 01:43:51,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:43:51,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:51,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:43:55,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:55,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2021-11-23 01:43:55,882 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-11-23 01:43:55,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:43:55,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:55,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 93 states and 109 transitions. [2021-11-23 01:43:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2021-11-23 01:43:57,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:43:57,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:57,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:43:58,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:58,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2021-11-23 01:43:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2021-11-23 01:43:58,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:43:58,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:58,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:06,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:06,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2021-11-23 01:44:06,579 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2021-11-23 01:44:06,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:06,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:06,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:06,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:08,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:08,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 101 transitions. [2021-11-23 01:44:08,260 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2021-11-23 01:44:08,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:08,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:08,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:09,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:09,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 82 states and 100 transitions. [2021-11-23 01:44:09,106 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2021-11-23 01:44:09,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:09,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:09,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:20,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 87 states and 108 transitions. [2021-11-23 01:44:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2021-11-23 01:44:20,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:20,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:20,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 87 states and 107 transitions. [2021-11-23 01:44:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2021-11-23 01:44:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:21,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:21,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:22,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:22,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2021-11-23 01:44:22,544 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2021-11-23 01:44:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:22,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:22,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:22,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:23,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2021-11-23 01:44:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2021-11-23 01:44:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:23,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:23,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:24,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2021-11-23 01:44:24,963 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2021-11-23 01:44:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:44:24,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:24,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:29,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:46,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 87 states and 110 transitions. [2021-11-23 01:44:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2021-11-23 01:44:46,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:44:46,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:46,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:04,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2021-11-23 01:45:04,334 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2021-11-23 01:45:04,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:45:04,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:04,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:06,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 93 states and 120 transitions. [2021-11-23 01:45:06,880 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2021-11-23 01:45:06,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:45:06,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:06,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 93 states and 119 transitions. [2021-11-23 01:45:09,300 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 119 transitions. [2021-11-23 01:45:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:45:09,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:09,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 91 states and 116 transitions. [2021-11-23 01:45:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2021-11-23 01:45:11,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:45:11,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:11,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 87 states and 109 transitions. [2021-11-23 01:45:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 109 transitions. [2021-11-23 01:45:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:45:14,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:14,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 92 states and 119 transitions. [2021-11-23 01:45:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2021-11-23 01:45:27,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:45:27,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:36,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 92 states and 118 transitions. [2021-11-23 01:45:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 118 transitions. [2021-11-23 01:45:36,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:45:36,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:36,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:38,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:38,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 92 states and 117 transitions. [2021-11-23 01:45:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 117 transitions. [2021-11-23 01:45:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:45:38,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:38,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 99 transitions. [2021-11-23 01:45:40,340 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2021-11-23 01:45:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:45:40,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:40,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:48,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 102 states and 137 transitions. [2021-11-23 01:46:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 137 transitions. [2021-11-23 01:46:26,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:26,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:26,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:26,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:27,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:27,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 101 states and 136 transitions. [2021-11-23 01:46:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 136 transitions. [2021-11-23 01:46:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:27,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:27,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:41,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 103 states and 139 transitions. [2021-11-23 01:46:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 139 transitions. [2021-11-23 01:46:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:41,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:41,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:45,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 101 states and 136 transitions. [2021-11-23 01:46:45,412 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 136 transitions. [2021-11-23 01:46:45,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:45,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:45,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 99 states and 133 transitions. [2021-11-23 01:46:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2021-11-23 01:46:48,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:48,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:48,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:51,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:51,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 100 states and 134 transitions. [2021-11-23 01:46:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 134 transitions. [2021-11-23 01:46:51,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:46:51,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:51,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:54,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:54,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 101 states and 135 transitions. [2021-11-23 01:46:54,997 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 135 transitions. [2021-11-23 01:46:54,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:46:54,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:54,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:59,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 105 states and 142 transitions. [2021-11-23 01:46:59,513 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 142 transitions. [2021-11-23 01:46:59,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:46:59,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:59,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:04,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:04,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 109 states and 149 transitions. [2021-11-23 01:47:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2021-11-23 01:47:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:04,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:04,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:08,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 116 states and 156 transitions. [2021-11-23 01:47:30,939 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 156 transitions. [2021-11-23 01:47:30,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:30,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:33,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:33,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 117 states and 156 transitions. [2021-11-23 01:47:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 156 transitions. [2021-11-23 01:47:33,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:47:33,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:33,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:05,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 125 states and 171 transitions. [2021-11-23 01:48:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 171 transitions. [2021-11-23 01:48:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:48:05,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:05,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:28,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:28,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 133 states and 187 transitions. [2021-11-23 01:48:28,237 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 187 transitions. [2021-11-23 01:48:28,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:48:28,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:28,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:17,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 144 states and 213 transitions. [2021-11-23 01:49:17,321 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 213 transitions. [2021-11-23 01:49:17,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:49:17,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:17,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:49:23,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 148 states and 217 transitions. [2021-11-23 01:49:23,534 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2021-11-23 01:49:23,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:49:23,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:23,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 161 states and 243 transitions. [2021-11-23 01:50:15,459 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 243 transitions. [2021-11-23 01:50:15,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:50:15,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:15,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:19,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-23 01:50:19,777 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-23 01:50:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:50:19,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:19,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:20,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:23,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 163 states and 243 transitions. [2021-11-23 01:50:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 243 transitions. [2021-11-23 01:50:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:50:23,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:23,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:50:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:27,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 101 states and 140 transitions. [2021-11-23 01:50:27,002 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 140 transitions. [2021-11-23 01:50:27,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:50:27,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:27,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:27,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:50:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:29,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 102 states and 141 transitions. [2021-11-23 01:50:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 141 transitions. [2021-11-23 01:50:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:50:29,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:29,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:50:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 102 states and 140 transitions. [2021-11-23 01:50:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 140 transitions. [2021-11-23 01:50:32,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:50:32,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:32,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 106 states and 147 transitions. [2021-11-23 01:51:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 147 transitions. [2021-11-23 01:51:53,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:51:53,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:53,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 122 states and 175 transitions. [2021-11-23 01:53:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2021-11-23 01:53:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:53:43,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:43,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:00,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 128 states and 185 transitions. [2021-11-23 01:54:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 185 transitions. [2021-11-23 01:54:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:54:00,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:00,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:05,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 123 states and 179 transitions. [2021-11-23 01:54:05,867 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2021-11-23 01:54:05,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:54:05,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:05,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.