./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/alternating_list-1.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_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/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_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/alternating_list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/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_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/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 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:23:12,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:23:12,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:23:13,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:23:13,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:23:13,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:23:13,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:23:13,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:23:13,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:23:13,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:23:13,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:23:13,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:23:13,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:23:13,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:23:13,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:23:13,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:23:13,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:23:13,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:23:13,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:23:13,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:23:13,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:23:13,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:23:13,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:23:13,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:23:13,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:23:13,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:23:13,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:23:13,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:23:13,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:23:13,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:23:13,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:23:13,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:23:13,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:23:13,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:23:13,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:23:13,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:23:13,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:23:13,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:23:13,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:23:13,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:23:13,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:23:13,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:23:13,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:23:13,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:23:13,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:23:13,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:23:13,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:23:13,108 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:23:13,108 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:23:13,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:23:13,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:23:13,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:23:13,109 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:23:13,109 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:23:13,109 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:23:13,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:23:13,110 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:23:13,110 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:23:13,110 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:23:13,110 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:23:13,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:23:13,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:13,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:23:13,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:23:13,111 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:23:13,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:23:13,112 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_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941f3dd0e4566f414ae914eed10af26405f8e9f2f3d427c146090b07336d2fc2 [2021-11-23 00:23:13,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:23:13,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:23:13,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:23:13,410 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:23:13,411 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:23:13,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-properties/alternating_list-1.i [2021-11-23 00:23:13,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ/data/5d5e599e1/6544b611c8724ed3973dcdef4143b3fc/FLAGc9d559208 [2021-11-23 00:23:14,053 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:23:14,054 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/sv-benchmarks/c/list-properties/alternating_list-1.i [2021-11-23 00:23:14,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ/data/5d5e599e1/6544b611c8724ed3973dcdef4143b3fc/FLAGc9d559208 [2021-11-23 00:23:14,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ/data/5d5e599e1/6544b611c8724ed3973dcdef4143b3fc [2021-11-23 00:23:14,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:23:14,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:23:14,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:14,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:23:14,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:23:14,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:14,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f75f427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14, skipping insertion in model container [2021-11-23 00:23:14,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:14,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:23:14,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:23:14,806 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_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2021-11-23 00:23:14,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:14,822 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:23:14,885 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_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/sv-benchmarks/c/list-properties/alternating_list-1.i[23574,23587] [2021-11-23 00:23:14,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:14,929 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:23:14,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14 WrapperNode [2021-11-23 00:23:14,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:14,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:14,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:23:14,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:23:14,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:14,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:15,007 INFO L137 Inliner]: procedures = 124, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2021-11-23 00:23:15,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:15,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:23:15,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:23:15,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:23:15,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:15,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:15,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:15,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:15,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:15,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:15,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:15,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:23:15,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:23:15,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:23:15,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:23:15,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:14" (1/1) ... [2021-11-23 00:23:15,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:15,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:23:15,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:23:15,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdae6a-83a2-42b6-9c5f-5bcaf98b1bd8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:23:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:23:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:23:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:23:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:23:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:23:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:23:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:23:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:23:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:23:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:23:15,312 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:23:15,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:23:15,616 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:23:15,649 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:23:15,659 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:23:15,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:15 BoogieIcfgContainer [2021-11-23 00:23:15,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:23:15,663 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:23:15,664 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:23:15,675 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:23:15,675 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:15" (1/1) ... [2021-11-23 00:23:15,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:23:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2021-11-23 00:23:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2021-11-23 00:23:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:23:15,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:15,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:15,940 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 00:23:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:15,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2021-11-23 00:23:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2021-11-23 00:23:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:23:15,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:15,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:16,028 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 00:23:16,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:16,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 68 states and 80 transitions. [2021-11-23 00:23:16,088 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2021-11-23 00:23:16,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:23:16,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:16,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:16,159 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 00:23:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 71 states and 85 transitions. [2021-11-23 00:23:16,428 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 85 transitions. [2021-11-23 00:23:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:23:16,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:16,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:16,478 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 00:23:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 75 states and 93 transitions. [2021-11-23 00:23:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 93 transitions. [2021-11-23 00:23:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:23:16,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:16,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:16,660 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 00:23:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:16,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2021-11-23 00:23:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2021-11-23 00:23:16,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:23:16,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:16,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:16,839 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 00:23:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 81 states and 105 transitions. [2021-11-23 00:23:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 105 transitions. [2021-11-23 00:23:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:23:16,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:16,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:16,881 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 00:23:16,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:16,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 83 states and 108 transitions. [2021-11-23 00:23:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2021-11-23 00:23:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:23:16,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:16,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:17,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 86 states and 115 transitions. [2021-11-23 00:23:17,352 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2021-11-23 00:23:17,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:23:17,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:17,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:17,418 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 00:23:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:17,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 90 states and 122 transitions. [2021-11-23 00:23:17,599 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2021-11-23 00:23:17,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:23:17,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:17,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:17,664 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 00:23:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:17,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 94 states and 130 transitions. [2021-11-23 00:23:17,860 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2021-11-23 00:23:17,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:23:17,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:17,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:17,993 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 00:23:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 96 states and 135 transitions. [2021-11-23 00:23:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2021-11-23 00:23:18,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:23:18,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:18,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:18,495 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 00:23:18,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:18,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 95 states and 134 transitions. [2021-11-23 00:23:18,524 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2021-11-23 00:23:18,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:23:18,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:18,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:18,618 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 00:23:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 98 states and 139 transitions. [2021-11-23 00:23:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 139 transitions. [2021-11-23 00:23:18,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:23:18,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:18,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:18,840 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 00:23:18,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:18,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 99 states and 147 transitions. [2021-11-23 00:23:18,978 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 147 transitions. [2021-11-23 00:23:18,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:23:18,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:18,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:19,017 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 00:23:19,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:19,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 99 states and 146 transitions. [2021-11-23 00:23:19,169 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2021-11-23 00:23:19,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:23:19,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:19,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:19,204 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 00:23:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 101 states and 149 transitions. [2021-11-23 00:23:19,223 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2021-11-23 00:23:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:23:19,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:19,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:19,256 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 00:23:19,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 102 states and 151 transitions. [2021-11-23 00:23:19,388 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2021-11-23 00:23:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:23:19,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:19,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:19,500 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 00:23:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:20,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 107 states and 159 transitions. [2021-11-23 00:23:20,439 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 159 transitions. [2021-11-23 00:23:20,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:23:20,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:20,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:20,557 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 00:23:22,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 117 states and 178 transitions. [2021-11-23 00:23:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 178 transitions. [2021-11-23 00:23:22,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:23:22,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:22,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:22,754 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 00:23:23,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 116 states and 177 transitions. [2021-11-23 00:23:23,122 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 177 transitions. [2021-11-23 00:23:23,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:23:23,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:23,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:23,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:23,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 117 states and 179 transitions. [2021-11-23 00:23:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2021-11-23 00:23:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:23:23,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:23,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:24,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:24,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2021-11-23 00:23:24,842 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2021-11-23 00:23:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:24,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:24,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:25,102 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 00:23:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 130 states and 200 transitions. [2021-11-23 00:23:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 200 transitions. [2021-11-23 00:23:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:29,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:29,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:30,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:30,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 139 states and 221 transitions. [2021-11-23 00:23:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 221 transitions. [2021-11-23 00:23:30,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:30,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:30,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:33,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 149 states and 247 transitions. [2021-11-23 00:23:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 247 transitions. [2021-11-23 00:23:33,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:33,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:33,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:33,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:33,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 125 states and 196 transitions. [2021-11-23 00:23:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 196 transitions. [2021-11-23 00:23:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:33,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:33,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 124 states and 195 transitions. [2021-11-23 00:23:33,687 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 195 transitions. [2021-11-23 00:23:33,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:23:33,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:33,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 128 states and 208 transitions. [2021-11-23 00:23:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 208 transitions. [2021-11-23 00:23:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:23:34,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:34,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:35,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 131 states and 219 transitions. [2021-11-23 00:23:35,950 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 219 transitions. [2021-11-23 00:23:35,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:23:35,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:35,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:36,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 133 states and 225 transitions. [2021-11-23 00:23:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 225 transitions. [2021-11-23 00:23:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:23:36,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:36,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:38,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 136 states and 234 transitions. [2021-11-23 00:23:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 234 transitions. [2021-11-23 00:23:38,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:23:38,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:38,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:38,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:38,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:38,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 238 transitions. [2021-11-23 00:23:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2021-11-23 00:23:38,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:23:38,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:38,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:39,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:39,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 138 states and 237 transitions. [2021-11-23 00:23:39,321 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 237 transitions. [2021-11-23 00:23:39,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:23:39,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:39,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:39,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 139 states and 238 transitions. [2021-11-23 00:23:39,754 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 238 transitions. [2021-11-23 00:23:39,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:23:39,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:39,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:40,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:46,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 151 states and 262 transitions. [2021-11-23 00:23:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2021-11-23 00:23:46,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:23:46,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:46,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:47,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:47,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 154 states and 272 transitions. [2021-11-23 00:23:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 272 transitions. [2021-11-23 00:23:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:23:47,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:47,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:48,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 155 states and 274 transitions. [2021-11-23 00:23:48,474 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 274 transitions. [2021-11-23 00:23:48,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:23:48,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:48,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:49,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 157 states and 280 transitions. [2021-11-23 00:23:49,795 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 280 transitions. [2021-11-23 00:23:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:23:49,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:49,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 162 states and 305 transitions. [2021-11-23 00:23:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 305 transitions. [2021-11-23 00:23:52,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:23:52,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:52,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 163 states and 306 transitions. [2021-11-23 00:23:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 306 transitions. [2021-11-23 00:23:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:23:53,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:53,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:00,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 172 states and 327 transitions. [2021-11-23 00:24:00,667 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 327 transitions. [2021-11-23 00:24:00,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:24:00,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:00,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 185 states and 357 transitions. [2021-11-23 00:24:06,323 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 357 transitions. [2021-11-23 00:24:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:24:06,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:06,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:15,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 194 states and 380 transitions. [2021-11-23 00:24:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 380 transitions. [2021-11-23 00:24:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:24:15,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:15,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:17,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:17,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 196 states and 386 transitions. [2021-11-23 00:24:17,333 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 386 transitions. [2021-11-23 00:24:17,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:24:17,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:17,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:19,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 198 states and 392 transitions. [2021-11-23 00:24:19,180 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 392 transitions. [2021-11-23 00:24:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:19,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:19,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:19,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:21,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 198 states and 391 transitions. [2021-11-23 00:24:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 391 transitions. [2021-11-23 00:24:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:21,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:21,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 200 states and 395 transitions. [2021-11-23 00:24:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 395 transitions. [2021-11-23 00:24:24,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:24,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:24,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:24,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:24,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 201 states and 403 transitions. [2021-11-23 00:24:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 403 transitions. [2021-11-23 00:24:24,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:24,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:24,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 203 states and 405 transitions. [2021-11-23 00:24:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 405 transitions. [2021-11-23 00:24:27,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:27,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:27,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:29,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 207 states and 412 transitions. [2021-11-23 00:24:29,137 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 412 transitions. [2021-11-23 00:24:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:29,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:29,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 210 states and 416 transitions. [2021-11-23 00:24:30,739 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 416 transitions. [2021-11-23 00:24:30,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:24:30,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:30,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:24:31,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 212 states and 421 transitions. [2021-11-23 00:24:31,778 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 421 transitions. [2021-11-23 00:24:31,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:24:31,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:31,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:24:33,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:33,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 214 states and 426 transitions. [2021-11-23 00:24:33,999 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 426 transitions. [2021-11-23 00:24:34,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:24:34,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:34,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:38,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 218 states and 442 transitions. [2021-11-23 00:24:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 442 transitions. [2021-11-23 00:24:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:24:38,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:38,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:38,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:41,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:41,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 222 states and 447 transitions. [2021-11-23 00:24:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 447 transitions. [2021-11-23 00:24:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:24:41,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:41,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:41,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:47,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 229 states and 468 transitions. [2021-11-23 00:24:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 468 transitions. [2021-11-23 00:24:47,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:24:47,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:47,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:24:47,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 229 states and 467 transitions. [2021-11-23 00:24:47,925 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 467 transitions. [2021-11-23 00:24:47,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:24:47,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:47,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:49,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:49,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 231 states and 476 transitions. [2021-11-23 00:24:49,382 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 476 transitions. [2021-11-23 00:24:49,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:24:49,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:49,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:24:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 231 states and 475 transitions. [2021-11-23 00:24:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 475 transitions. [2021-11-23 00:24:50,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:24:50,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:50,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 232 states and 475 transitions. [2021-11-23 00:24:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 475 transitions. [2021-11-23 00:24:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:24:51,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:51,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:01,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 241 states and 497 transitions. [2021-11-23 00:25:01,266 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 497 transitions. [2021-11-23 00:25:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:25:01,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:01,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:02,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 243 states and 499 transitions. [2021-11-23 00:25:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 499 transitions. [2021-11-23 00:25:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:25:02,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:02,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:02,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:03,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 245 states and 505 transitions. [2021-11-23 00:25:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 505 transitions. [2021-11-23 00:25:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:25:03,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:03,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:05,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 247 states and 509 transitions. [2021-11-23 00:25:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 509 transitions. [2021-11-23 00:25:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:25:05,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:05,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:06,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:25:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:09,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 248 states and 511 transitions. [2021-11-23 00:25:09,869 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 511 transitions. [2021-11-23 00:25:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:25:09,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:09,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:25:11,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:11,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 249 states and 512 transitions. [2021-11-23 00:25:11,412 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 512 transitions. [2021-11-23 00:25:11,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:25:11,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:11,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:25:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 251 states and 517 transitions. [2021-11-23 00:25:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 517 transitions. [2021-11-23 00:25:13,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:25:13,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:13,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:25:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:24,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 263 states and 541 transitions. [2021-11-23 00:25:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 541 transitions. [2021-11-23 00:25:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:25:24,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:24,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:25:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 269 states and 555 transitions. [2021-11-23 00:25:30,058 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 555 transitions. [2021-11-23 00:25:30,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:25:30,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:30,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:35,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 271 states and 557 transitions. [2021-11-23 00:25:35,037 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 557 transitions. [2021-11-23 00:25:35,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:25:35,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:35,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 275 states and 562 transitions. [2021-11-23 00:25:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 562 transitions. [2021-11-23 00:25:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:25:38,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:38,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:25:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:42,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 278 states and 576 transitions. [2021-11-23 00:25:42,237 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 576 transitions. [2021-11-23 00:25:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:25:42,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:42,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 284 states and 590 transitions. [2021-11-23 00:25:50,713 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 590 transitions. [2021-11-23 00:25:50,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:25:50,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:50,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:50,732 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 00:25:55,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:55,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 290 states and 597 transitions. [2021-11-23 00:25:55,578 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 597 transitions. [2021-11-23 00:25:55,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:25:55,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:55,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:57,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:04,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:04,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 296 states and 604 transitions. [2021-11-23 00:26:04,867 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 604 transitions. [2021-11-23 00:26:04,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:26:04,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:04,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 305 states and 623 transitions. [2021-11-23 00:26:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 623 transitions. [2021-11-23 00:26:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:26:22,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:22,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:24,079 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:37,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 314 states and 641 transitions. [2021-11-23 00:26:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 641 transitions. [2021-11-23 00:26:37,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:26:37,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:37,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 318 states and 653 transitions. [2021-11-23 00:26:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 653 transitions. [2021-11-23 00:26:43,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:26:43,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:43,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:49,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 322 states and 663 transitions. [2021-11-23 00:26:49,970 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 663 transitions. [2021-11-23 00:26:49,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:26:49,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:49,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:57,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:57,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 326 states and 670 transitions. [2021-11-23 00:26:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 670 transitions. [2021-11-23 00:26:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:26:57,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:57,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:58,358 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:27:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 328 states and 672 transitions. [2021-11-23 00:27:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 672 transitions. [2021-11-23 00:27:00,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:27:00,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:00,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:01,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 329 states and 673 transitions. [2021-11-23 00:27:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 673 transitions. [2021-11-23 00:27:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:27:01,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:01,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:27:03,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 299 states and 620 transitions. [2021-11-23 00:27:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 620 transitions. [2021-11-23 00:27:03,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:27:03,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:03,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 317 states and 661 transitions. [2021-11-23 00:27:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 661 transitions. [2021-11-23 00:27:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:27:40,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:40,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:51,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:51,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 323 states and 675 transitions. [2021-11-23 00:27:51,754 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 675 transitions. [2021-11-23 00:27:51,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:27:51,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:51,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:30,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 340 states and 715 transitions. [2021-11-23 00:28:30,221 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 715 transitions. [2021-11-23 00:28:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:28:30,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:30,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:28:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 338 states and 712 transitions. [2021-11-23 00:28:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 712 transitions. [2021-11-23 00:28:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:28:32,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:32,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:40,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 342 states and 729 transitions. [2021-11-23 00:28:40,104 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 729 transitions. [2021-11-23 00:28:40,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:28:40,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:40,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:40,507 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:46,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:46,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 346 states and 736 transitions. [2021-11-23 00:28:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 736 transitions. [2021-11-23 00:28:46,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:28:46,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:46,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:46,755 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:48,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:48,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 347 states and 737 transitions. [2021-11-23 00:28:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 737 transitions. [2021-11-23 00:28:48,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:28:48,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:48,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:48,690 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:52,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 349 states and 740 transitions. [2021-11-23 00:28:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 740 transitions. [2021-11-23 00:28:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:28:52,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:52,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:57,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 373 states and 794 transitions. [2021-11-23 00:29:57,430 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 794 transitions. [2021-11-23 00:29:57,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:29:57,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:57,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:13,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 379 states and 808 transitions. [2021-11-23 00:30:13,080 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 808 transitions. [2021-11-23 00:30:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:30:13,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:13,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:52,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:52,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 393 states and 840 transitions. [2021-11-23 00:30:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 840 transitions. [2021-11-23 00:30:52,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:30:52,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:52,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:34,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 407 states and 877 transitions. [2021-11-23 00:31:34,337 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 877 transitions. [2021-11-23 00:31:34,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:31:34,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:34,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:46,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 413 states and 887 transitions. [2021-11-23 00:31:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 887 transitions. [2021-11-23 00:31:46,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:31:46,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:46,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:47,036 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:50,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 415 states and 891 transitions. [2021-11-23 00:31:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 891 transitions. [2021-11-23 00:31:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:31:50,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:50,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:50,346 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:59,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 419 states and 897 transitions. [2021-11-23 00:31:59,634 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 897 transitions. [2021-11-23 00:31:59,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:31:59,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:59,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 428 states and 917 transitions. [2021-11-23 00:32:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 917 transitions. [2021-11-23 00:32:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:32:46,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:46,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:59,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:59,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 432 states and 928 transitions. [2021-11-23 00:32:59,879 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 928 transitions. [2021-11-23 00:32:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:32:59,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:59,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:36,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 436 states and 937 transitions. [2021-11-23 00:33:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 937 transitions. [2021-11-23 00:33:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:33:36,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:36,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:39,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:39,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 401 states and 871 transitions. [2021-11-23 00:33:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 871 transitions. [2021-11-23 00:33:39,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:33:39,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:39,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:33:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:45,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 404 states and 875 transitions. [2021-11-23 00:33:45,554 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 875 transitions. [2021-11-23 00:33:45,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:33:45,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:45,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:54,196 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:20,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 413 states and 894 transitions. [2021-11-23 00:34:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 894 transitions. [2021-11-23 00:34:20,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:34:20,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:20,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:34:35,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:35,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 419 states and 906 transitions. [2021-11-23 00:34:35,162 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 906 transitions. [2021-11-23 00:34:35,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:34:35,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:35,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.