./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_append_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_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/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_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_append_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/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_648917dd-1612-4b77-8857-143fe57de32e/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 3a59620f668b7c0725f940bc66e10441fbb56ee9b9fb687de4bd19a3f12eaeda --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:44:41,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:44:41,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:44:42,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:44:42,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:44:42,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:44:42,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:44:42,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:44:42,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:44:42,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:44:42,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:44:42,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:44:42,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:44:42,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:44:42,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:44:42,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:44:42,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:44:42,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:44:42,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:44:42,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:44:42,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:44:42,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:44:42,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:44:42,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:44:42,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:44:42,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:44:42,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:44:42,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:44:42,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:44:42,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:44:42,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:44:42,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:44:42,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:44:42,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:44:42,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:44:42,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:44:42,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:44:42,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:44:42,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:44:42,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:44:42,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:44:42,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:44:42,124 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:44:42,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:44:42,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:44:42,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:44:42,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:44:42,127 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:44:42,128 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:44:42,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:44:42,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:44:42,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:44:42,129 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:44:42,130 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:44:42,130 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:44:42,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:44:42,131 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:44:42,131 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:44:42,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:44:42,132 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:44:42,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:44:42,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:44:42,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:44:42,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:44:42,134 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:44:42,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:44:42,135 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_648917dd-1612-4b77-8857-143fe57de32e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a59620f668b7c0725f940bc66e10441fbb56ee9b9fb687de4bd19a3f12eaeda [2021-11-23 00:44:42,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:44:42,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:44:42,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:44:42,467 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:44:42,469 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:44:42,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/dll2n_append_equal.i [2021-11-23 00:44:42,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ/data/e66d68ef1/54ebd6b7f8d04cb4aae89579b6da4c30/FLAG6e50b3351 [2021-11-23 00:44:43,082 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:44:43,083 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/sv-benchmarks/c/list-simple/dll2n_append_equal.i [2021-11-23 00:44:43,123 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ/data/e66d68ef1/54ebd6b7f8d04cb4aae89579b6da4c30/FLAG6e50b3351 [2021-11-23 00:44:43,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ/data/e66d68ef1/54ebd6b7f8d04cb4aae89579b6da4c30 [2021-11-23 00:44:43,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:44:43,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:44:43,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:44:43,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:44:43,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:44:43,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:43,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12957021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43, skipping insertion in model container [2021-11-23 00:44:43,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:43,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:44:43,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:44:43,840 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_648917dd-1612-4b77-8857-143fe57de32e/sv-benchmarks/c/list-simple/dll2n_append_equal.i[24333,24346] [2021-11-23 00:44:43,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:44:43,861 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:44:43,923 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_648917dd-1612-4b77-8857-143fe57de32e/sv-benchmarks/c/list-simple/dll2n_append_equal.i[24333,24346] [2021-11-23 00:44:43,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:44:43,955 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:44:43,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43 WrapperNode [2021-11-23 00:44:43,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:44:43,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:44:43,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:44:43,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:44:43,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:44,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:44,038 INFO L137 Inliner]: procedures = 127, calls = 37, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 139 [2021-11-23 00:44:44,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:44:44,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:44:44,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:44:44,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:44:44,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:44,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:44,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:44,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:44,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:44,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:44,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:44,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:44:44,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:44:44,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:44:44,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:44:44,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:43" (1/1) ... [2021-11-23 00:44:44,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:44:44,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:44:44,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:44:44,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648917dd-1612-4b77-8857-143fe57de32e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:44:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:44:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:44:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:44:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:44:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:44:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:44:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:44:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:44:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:44:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:44:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:44:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:44:44,346 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:44:44,348 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:44:44,682 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:44:44,734 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:44:44,734 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:44:44,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:44 BoogieIcfgContainer [2021-11-23 00:44:44,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:44:44,738 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:44:44,739 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:44:44,750 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:44:44,750 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:44" (1/1) ... [2021-11-23 00:44:44,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:44:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 89 states and 99 transitions. [2021-11-23 00:44:44,822 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2021-11-23 00:44:44,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:44:44,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:44,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 90 states and 101 transitions. [2021-11-23 00:44:45,001 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 101 transitions. [2021-11-23 00:44:45,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:44:45,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2021-11-23 00:44:45,099 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2021-11-23 00:44:45,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:44:45,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 88 states and 99 transitions. [2021-11-23 00:44:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2021-11-23 00:44:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:44:45,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 87 states and 98 transitions. [2021-11-23 00:44:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2021-11-23 00:44:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:44:45,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2021-11-23 00:44:45,532 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2021-11-23 00:44:45,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:44:45,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 85 states and 96 transitions. [2021-11-23 00:44:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2021-11-23 00:44:45,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:44:45,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 84 states and 95 transitions. [2021-11-23 00:44:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2021-11-23 00:44:45,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:44:45,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 83 states and 94 transitions. [2021-11-23 00:44:45,968 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2021-11-23 00:44:45,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:44:45,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:46,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 82 states and 93 transitions. [2021-11-23 00:44:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2021-11-23 00:44:46,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:44:46,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:46,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:46,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:46,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:46,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 81 states and 92 transitions. [2021-11-23 00:44:46,295 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2021-11-23 00:44:46,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:44:46,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:46,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:46,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 80 states and 91 transitions. [2021-11-23 00:44:46,345 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2021-11-23 00:44:46,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:44:46,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:46,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:46,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:46,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 88 states and 101 transitions. [2021-11-23 00:44:46,841 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2021-11-23 00:44:46,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:44:46,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:46,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:47,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 97 states and 112 transitions. [2021-11-23 00:44:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2021-11-23 00:44:47,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:44:47,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:47,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:47,617 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:48,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:48,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 107 states and 128 transitions. [2021-11-23 00:44:48,764 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2021-11-23 00:44:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:44:48,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:48,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 117 states and 147 transitions. [2021-11-23 00:44:50,147 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2021-11-23 00:44:50,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:44:50,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:50,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 119 states and 150 transitions. [2021-11-23 00:44:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2021-11-23 00:44:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:44:51,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:51,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:44:51,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:51,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 118 states and 149 transitions. [2021-11-23 00:44:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 149 transitions. [2021-11-23 00:44:51,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:44:51,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:51,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:44:51,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 117 states and 148 transitions. [2021-11-23 00:44:51,449 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 148 transitions. [2021-11-23 00:44:51,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:44:51,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:51,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:44:51,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 116 states and 147 transitions. [2021-11-23 00:44:51,524 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 147 transitions. [2021-11-23 00:44:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:44:51,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:51,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:51,589 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:44:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 115 states and 146 transitions. [2021-11-23 00:44:51,611 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 146 transitions. [2021-11-23 00:44:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:44:51,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:51,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:51,658 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:44:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:51,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 114 states and 145 transitions. [2021-11-23 00:44:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 145 transitions. [2021-11-23 00:44:51,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:44:51,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:51,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:44:51,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 113 states and 144 transitions. [2021-11-23 00:44:51,743 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2021-11-23 00:44:51,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:44:51,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:51,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:44:55,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 138 states and 193 transitions. [2021-11-23 00:44:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 193 transitions. [2021-11-23 00:44:55,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:44:55,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:55,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:45:01,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 163 states and 236 transitions. [2021-11-23 00:45:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 236 transitions. [2021-11-23 00:45:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:45:01,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:01,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:01,601 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:01,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:01,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 162 states and 235 transitions. [2021-11-23 00:45:01,615 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 235 transitions. [2021-11-23 00:45:01,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:45:01,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:01,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:01,960 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:02,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:02,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 164 states and 239 transitions. [2021-11-23 00:45:02,625 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 239 transitions. [2021-11-23 00:45:02,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:45:02,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:02,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:02,662 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:02,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 165 states and 241 transitions. [2021-11-23 00:45:02,678 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 241 transitions. [2021-11-23 00:45:02,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:45:02,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:02,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:02,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 165 states and 240 transitions. [2021-11-23 00:45:02,899 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 240 transitions. [2021-11-23 00:45:02,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:45:02,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:02,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 174 states and 251 transitions. [2021-11-23 00:45:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 251 transitions. [2021-11-23 00:45:05,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:45:05,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:05,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2021-11-23 00:45:05,706 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2021-11-23 00:45:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:45:05,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:05,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:45:11,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:11,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-11-23 00:45:11,851 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-11-23 00:45:11,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:45:11,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:11,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:45:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2021-11-23 00:45:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2021-11-23 00:45:19,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:45:19,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:19,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:19,944 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2021-11-23 00:45:23,642 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2021-11-23 00:45:23,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:45:23,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:23,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 81 states and 92 transitions. [2021-11-23 00:45:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2021-11-23 00:45:28,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:45:28,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:28,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:28,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 80 states and 91 transitions. [2021-11-23 00:45:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2021-11-23 00:45:28,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:45:28,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:28,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2021-11-23 00:45:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2021-11-23 00:45:29,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:45:29,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:29,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:29,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 78 states and 89 transitions. [2021-11-23 00:45:29,809 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2021-11-23 00:45:29,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:45:29,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:29,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2021-11-23 00:45:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-11-23 00:45:29,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:45:29,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:29,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:33,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:33,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 81 states and 95 transitions. [2021-11-23 00:45:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2021-11-23 00:45:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:45:33,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:33,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:45:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 85 states and 104 transitions. [2021-11-23 00:45:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2021-11-23 00:45:37,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:45:37,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:37,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:53,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2021-11-23 00:45:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2021-11-23 00:45:53,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:45:53,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:53,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 91 states and 125 transitions. [2021-11-23 00:46:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2021-11-23 00:46:12,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:46:12,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:12,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:46:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 95 states and 134 transitions. [2021-11-23 00:46:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2021-11-23 00:46:15,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:46:15,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:15,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:46:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 99 states and 143 transitions. [2021-11-23 00:46:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2021-11-23 00:46:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:46:20,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:20,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:46:28,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 101 states and 146 transitions. [2021-11-23 00:46:28,987 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2021-11-23 00:46:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:46:28,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:28,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:29,046 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:46:34,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 105 states and 156 transitions. [2021-11-23 00:46:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 156 transitions. [2021-11-23 00:46:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:46:34,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:34,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:34,555 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:46:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 109 states and 165 transitions. [2021-11-23 00:46:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 165 transitions. [2021-11-23 00:46:39,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:46:39,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:39,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:46:54,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:54,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 107 states and 161 transitions. [2021-11-23 00:46:54,876 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 161 transitions. [2021-11-23 00:46:54,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:46:54,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:54,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:46:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 108 states and 163 transitions. [2021-11-23 00:46:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2021-11-23 00:46:56,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:46:56,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:56,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:46:57,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 109 states and 163 transitions. [2021-11-23 00:46:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 163 transitions. [2021-11-23 00:46:57,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:46:57,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:57,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 114 states and 181 transitions. [2021-11-23 00:47:42,677 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 181 transitions. [2021-11-23 00:47:42,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:47:42,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:42,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:47,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:47,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 116 states and 187 transitions. [2021-11-23 00:47:47,483 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2021-11-23 00:47:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:47:47,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:47,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:48:20,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 120 states and 202 transitions. [2021-11-23 00:48:20,822 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 202 transitions. [2021-11-23 00:48:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:48:20,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:20,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:48:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:30,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 120 states and 201 transitions. [2021-11-23 00:48:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 201 transitions. [2021-11-23 00:48:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:48:30,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:30,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:48:52,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:52,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 124 states and 213 transitions. [2021-11-23 00:48:52,799 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 213 transitions. [2021-11-23 00:48:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:48:52,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:52,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:48:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 125 states and 216 transitions. [2021-11-23 00:48:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 216 transitions. [2021-11-23 00:48:54,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:48:54,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:54,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:54,700 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:48:59,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:59,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 128 states and 224 transitions. [2021-11-23 00:48:59,586 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 224 transitions. [2021-11-23 00:48:59,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:48:59,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:59,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:49:02,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:02,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 130 states and 229 transitions. [2021-11-23 00:49:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 229 transitions. [2021-11-23 00:49:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:49:02,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:02,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:02,574 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:49:05,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 132 states and 232 transitions. [2021-11-23 00:49:05,535 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 232 transitions. [2021-11-23 00:49:05,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:49:05,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:05,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:49:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:08,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 134 states and 235 transitions. [2021-11-23 00:49:08,063 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 235 transitions. [2021-11-23 00:49:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:49:08,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:08,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:49:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 136 states and 238 transitions. [2021-11-23 00:49:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2021-11-23 00:49:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:49:11,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:11,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 145 states and 262 transitions. [2021-11-23 00:50:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 262 transitions. [2021-11-23 00:50:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:50:23,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:23,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:50:25,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:25,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 144 states and 261 transitions. [2021-11-23 00:50:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 261 transitions. [2021-11-23 00:50:25,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:50:25,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:25,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:26,152 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:50:27,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:27,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 146 states and 267 transitions. [2021-11-23 00:50:27,907 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 267 transitions. [2021-11-23 00:50:27,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:50:27,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:27,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:50:34,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:34,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 97 states and 136 transitions. [2021-11-23 00:50:34,901 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2021-11-23 00:50:34,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:50:34,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:34,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:51:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:07,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 106 states and 158 transitions. [2021-11-23 00:51:07,323 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 158 transitions. [2021-11-23 00:51:07,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:51:07,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:07,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:51:35,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:35,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 110 states and 167 transitions. [2021-11-23 00:51:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 167 transitions. [2021-11-23 00:51:35,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:51:35,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:35,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:51:42,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 112 states and 169 transitions. [2021-11-23 00:51:42,443 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 169 transitions. [2021-11-23 00:51:42,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:51:42,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:42,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:51:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:49,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 114 states and 171 transitions. [2021-11-23 00:51:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 171 transitions. [2021-11-23 00:51:49,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:51:49,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:49,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:51:58,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:58,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 116 states and 174 transitions. [2021-11-23 00:51:58,111 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 174 transitions. [2021-11-23 00:51:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:51:58,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:58,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:52:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:06,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 118 states and 177 transitions. [2021-11-23 00:52:06,717 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 177 transitions. [2021-11-23 00:52:06,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:52:06,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:06,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:52:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:14,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 120 states and 180 transitions. [2021-11-23 00:52:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 180 transitions. [2021-11-23 00:52:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:52:14,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:14,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:15,572 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:52:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 121 states and 183 transitions. [2021-11-23 00:52:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 183 transitions. [2021-11-23 00:52:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:52:18,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:18,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:52:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 123 states and 185 transitions. [2021-11-23 00:52:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 185 transitions. [2021-11-23 00:52:26,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:52:26,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:26,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:37,453 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:53:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 125 states and 186 transitions. [2021-11-23 00:53:14,456 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 186 transitions. [2021-11-23 00:53:14,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:53:14,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:14,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:53:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:50,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 130 states and 198 transitions. [2021-11-23 00:53:50,208 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 198 transitions. [2021-11-23 00:53:50,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:53:50,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:50,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:53:56,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 133 states and 202 transitions. [2021-11-23 00:53:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 202 transitions. [2021-11-23 00:53:56,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:53:56,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:56,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:54:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 135 states and 204 transitions. [2021-11-23 00:54:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 204 transitions. [2021-11-23 00:54:05,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:54:05,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:05,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:54:10,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:10,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 135 states and 202 transitions. [2021-11-23 00:54:10,031 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 202 transitions. [2021-11-23 00:54:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:54:10,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:10,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:11,792 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:54:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:19,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 137 states and 205 transitions. [2021-11-23 00:54:19,352 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 205 transitions. [2021-11-23 00:54:19,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:54:19,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:19,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:14,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 140 states and 213 transitions. [2021-11-23 00:55:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 213 transitions. [2021-11-23 00:55:14,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:55:14,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:14,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:55:24,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 142 states and 221 transitions. [2021-11-23 00:55:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 221 transitions. [2021-11-23 00:55:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:55:24,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:24,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:34,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 144 states and 229 transitions. [2021-11-23 00:55:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 229 transitions. [2021-11-23 00:55:34,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:55:34,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:34,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:51,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 150 states and 238 transitions. [2021-11-23 00:55:51,765 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 238 transitions. [2021-11-23 00:55:51,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:55:51,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:51,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:54,264 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:02,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:02,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 152 states and 242 transitions. [2021-11-23 00:56:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2021-11-23 00:56:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:56:02,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:02,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:13,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 154 states and 247 transitions. [2021-11-23 00:56:13,283 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 247 transitions. [2021-11-23 00:56:13,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:56:13,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:13,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:56:23,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:23,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 156 states and 253 transitions. [2021-11-23 00:56:23,078 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 253 transitions. [2021-11-23 00:56:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:56:23,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:23,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:56:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:29,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 113 states and 175 transitions. [2021-11-23 00:56:29,071 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 175 transitions. [2021-11-23 00:56:29,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:56:29,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:29,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.