./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/substring-alloca-2.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_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/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_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/substring-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/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_237d98ae-e488-4f06-aa5d-aba5ca604510/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 4cb6276eff0c60579b1d5f7034948eb4f53891709ff48cdd11b3329ec3c4cc2e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:25:58,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:25:58,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:25:58,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:25:58,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:25:58,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:25:58,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:25:58,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:25:58,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:25:58,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:25:58,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:25:58,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:25:58,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:25:58,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:25:58,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:25:58,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:25:58,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:25:58,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:25:58,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:25:58,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:25:58,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:25:58,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:25:58,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:25:58,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:25:58,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:25:58,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:25:58,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:25:58,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:25:58,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:25:58,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:25:58,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:25:58,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:25:58,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:25:58,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:25:58,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:25:58,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:25:58,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:25:58,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:25:58,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:25:58,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:25:58,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:25:58,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:25:58,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:25:58,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:25:58,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:25:58,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:25:58,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:25:58,243 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:25:58,243 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:25:58,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:25:58,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:25:58,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:25:58,244 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:25:58,244 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:25:58,244 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:25:58,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:25:58,245 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:25:58,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:25:58,245 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:25:58,246 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:25:58,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:25:58,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:25:58,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:25:58,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:25:58,247 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:25:58,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:25:58,247 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_237d98ae-e488-4f06-aa5d-aba5ca604510/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cb6276eff0c60579b1d5f7034948eb4f53891709ff48cdd11b3329ec3c4cc2e [2021-11-23 00:25:58,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:25:58,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:25:58,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:25:58,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:25:58,565 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:25:58,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2021-11-23 00:25:58,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ/data/21d833945/0794202a83134fbd9c72b5c548a1bcb7/FLAGbc3191f40 [2021-11-23 00:25:59,221 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:25:59,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2021-11-23 00:25:59,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ/data/21d833945/0794202a83134fbd9c72b5c548a1bcb7/FLAGbc3191f40 [2021-11-23 00:25:59,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ/data/21d833945/0794202a83134fbd9c72b5c548a1bcb7 [2021-11-23 00:25:59,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:25:59,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:25:59,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:25:59,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:25:59,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:25:59,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee93dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59, skipping insertion in model container [2021-11-23 00:25:59,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:25:59,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:25:59,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:59,962 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:26:00,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:26:00,041 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:26:00,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:00 WrapperNode [2021-11-23 00:26:00,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:26:00,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:26:00,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:26:00,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:26:00,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:00" (1/1) ... [2021-11-23 00:26:00,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:00" (1/1) ... [2021-11-23 00:26:00,120 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2021-11-23 00:26:00,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:26:00,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:26:00,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:26:00,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:26:00,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:00" (1/1) ... [2021-11-23 00:26:00,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:00" (1/1) ... [2021-11-23 00:26:00,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:00" (1/1) ... [2021-11-23 00:26:00,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:00" (1/1) ... [2021-11-23 00:26:00,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:00" (1/1) ... [2021-11-23 00:26:00,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:00" (1/1) ... [2021-11-23 00:26:00,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:00" (1/1) ... [2021-11-23 00:26:00,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:26:00,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:26:00,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:26:00,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:26:00,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:26:00" (1/1) ... [2021-11-23 00:26:00,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:26:00,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:26:00,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:26:00,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237d98ae-e488-4f06-aa5d-aba5ca604510/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:26:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:26:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:26:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:26:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:26:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:26:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:26:00,391 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:26:00,392 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:26:00,682 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:26:00,750 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:26:00,750 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:26:00,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:26:00 BoogieIcfgContainer [2021-11-23 00:26:00,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:26:00,754 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:26:00,754 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:26:00,763 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:26:00,764 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:26:00" (1/1) ... [2021-11-23 00:26:00,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:26:00,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:00,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2021-11-23 00:26:00,841 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2021-11-23 00:26:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:26:00,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:00,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:01,095 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 00:26:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2021-11-23 00:26:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2021-11-23 00:26:01,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:26:01,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:01,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:01,319 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 00:26:01,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2021-11-23 00:26:01,572 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-11-23 00:26:01,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:26:01,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:01,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:01,636 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 00:26:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:01,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2021-11-23 00:26:01,662 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2021-11-23 00:26:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:26:01,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:01,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:01,786 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 00:26:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2021-11-23 00:26:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2021-11-23 00:26:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:26:02,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:02,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:02,167 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 00:26:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2021-11-23 00:26:02,473 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2021-11-23 00:26:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:26:02,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:02,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:02,644 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 00:26:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2021-11-23 00:26:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2021-11-23 00:26:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:26:03,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:03,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:03,304 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 00:26:03,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:03,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2021-11-23 00:26:03,332 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2021-11-23 00:26:03,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:26:03,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:03,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:03,458 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 00:26:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:04,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2021-11-23 00:26:04,310 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2021-11-23 00:26:04,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:26:04,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:04,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:04,423 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 00:26:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 56 states and 89 transitions. [2021-11-23 00:26:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2021-11-23 00:26:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:26:05,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:05,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:05,239 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 00:26:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2021-11-23 00:26:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2021-11-23 00:26:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:26:05,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:05,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:05,600 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 00:26:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:06,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2021-11-23 00:26:06,011 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2021-11-23 00:26:06,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:26:06,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:06,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 96 transitions. [2021-11-23 00:26:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2021-11-23 00:26:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:26:06,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:06,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:06,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 61 states and 96 transitions. [2021-11-23 00:26:06,605 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 96 transitions. [2021-11-23 00:26:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:26:06,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:06,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:06,764 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 00:26:07,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:07,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 107 transitions. [2021-11-23 00:26:07,739 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2021-11-23 00:26:07,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:26:07,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:07,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2021-11-23 00:26:08,318 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2021-11-23 00:26:08,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:26:08,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:08,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:08,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:08,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:08,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 66 states and 116 transitions. [2021-11-23 00:26:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 116 transitions. [2021-11-23 00:26:08,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:26:08,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:08,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:09,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:09,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 67 states and 119 transitions. [2021-11-23 00:26:09,478 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 119 transitions. [2021-11-23 00:26:09,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:26:09,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:09,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:09,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:10,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 68 states and 121 transitions. [2021-11-23 00:26:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 121 transitions. [2021-11-23 00:26:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:26:10,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:10,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 69 states and 124 transitions. [2021-11-23 00:26:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 124 transitions. [2021-11-23 00:26:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:26:10,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:10,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 64 states and 106 transitions. [2021-11-23 00:26:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2021-11-23 00:26:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:26:11,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:11,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:11,509 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 00:26:11,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 67 states and 112 transitions. [2021-11-23 00:26:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 112 transitions. [2021-11-23 00:26:11,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:26:11,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:11,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:12,196 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 00:26:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:13,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 70 states and 120 transitions. [2021-11-23 00:26:13,223 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 120 transitions. [2021-11-23 00:26:13,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:26:13,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:13,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:13,251 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 00:26:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 71 states and 122 transitions. [2021-11-23 00:26:13,569 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 122 transitions. [2021-11-23 00:26:13,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:26:13,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:13,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:13,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:13,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:13,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 72 states and 122 transitions. [2021-11-23 00:26:13,915 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 122 transitions. [2021-11-23 00:26:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:26:13,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:13,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:14,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 73 states and 122 transitions. [2021-11-23 00:26:14,680 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 122 transitions. [2021-11-23 00:26:14,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:26:14,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:14,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:14,702 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 00:26:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 74 states and 124 transitions. [2021-11-23 00:26:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 124 transitions. [2021-11-23 00:26:15,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:26:15,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:15,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:15,078 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 00:26:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 115 transitions. [2021-11-23 00:26:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 115 transitions. [2021-11-23 00:26:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:26:15,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:15,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:15,434 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 00:26:15,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:15,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 70 transitions. [2021-11-23 00:26:15,820 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2021-11-23 00:26:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:26:15,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:15,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:15,844 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 00:26:16,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2021-11-23 00:26:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-11-23 00:26:16,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:26:16,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:16,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:16,493 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 00:26:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:19,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2021-11-23 00:26:19,352 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2021-11-23 00:26:19,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:26:19,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:19,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:19,367 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 00:26:19,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:19,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2021-11-23 00:26:19,377 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2021-11-23 00:26:19,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:26:19,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:19,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:19,812 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 00:26:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2021-11-23 00:26:20,142 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2021-11-23 00:26:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:26:20,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:20,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:20,296 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 00:26:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 56 states and 87 transitions. [2021-11-23 00:26:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 87 transitions. [2021-11-23 00:26:21,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:26:21,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:21,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:21,637 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 00:26:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2021-11-23 00:26:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2021-11-23 00:26:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:26:22,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:22,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:22,846 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 00:26:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 63 states and 101 transitions. [2021-11-23 00:26:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2021-11-23 00:26:22,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:26:22,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:22,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:22,988 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 00:26:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:23,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 65 states and 106 transitions. [2021-11-23 00:26:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 106 transitions. [2021-11-23 00:26:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:26:23,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:23,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 66 states and 108 transitions. [2021-11-23 00:26:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 108 transitions. [2021-11-23 00:26:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:23,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:23,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:24,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:24,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 68 states and 111 transitions. [2021-11-23 00:26:24,831 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2021-11-23 00:26:24,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:26:24,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:24,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 69 states and 113 transitions. [2021-11-23 00:26:26,021 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 113 transitions. [2021-11-23 00:26:26,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:26:26,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:26,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:26,045 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 00:26:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:26,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2021-11-23 00:26:26,486 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2021-11-23 00:26:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:26:26,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:26,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:26,608 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 00:26:26,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:26,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 70 states and 112 transitions. [2021-11-23 00:26:26,862 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 112 transitions. [2021-11-23 00:26:26,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:26:26,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:26,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2021-11-23 00:26:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2021-11-23 00:26:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:26:35,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:35,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:35,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:38,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 82 states and 136 transitions. [2021-11-23 00:26:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2021-11-23 00:26:38,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:26:38,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:38,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:38,494 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 00:26:39,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 82 states and 135 transitions. [2021-11-23 00:26:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2021-11-23 00:26:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:26:39,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:39,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:39,444 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 00:26:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:40,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 83 states and 135 transitions. [2021-11-23 00:26:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2021-11-23 00:26:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:26:40,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:40,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:40,250 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 00:26:41,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:41,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 76 states and 124 transitions. [2021-11-23 00:26:41,031 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2021-11-23 00:26:41,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:26:41,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:41,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:41,621 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 00:26:49,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 86 states and 143 transitions. [2021-11-23 00:26:49,033 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 143 transitions. [2021-11-23 00:26:49,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:26:49,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:49,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:52,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 89 states and 150 transitions. [2021-11-23 00:26:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 150 transitions. [2021-11-23 00:26:52,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:26:52,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:52,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 91 states and 152 transitions. [2021-11-23 00:26:54,652 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 152 transitions. [2021-11-23 00:26:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:26:54,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:54,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 96 states and 166 transitions. [2021-11-23 00:26:58,589 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 166 transitions. [2021-11-23 00:26:58,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:26:58,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:58,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:59,892 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 00:27:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 106 states and 190 transitions. [2021-11-23 00:27:11,478 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 190 transitions. [2021-11-23 00:27:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:27:11,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:11,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:27:19,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 114 states and 210 transitions. [2021-11-23 00:27:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2021-11-23 00:27:19,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:27:19,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:19,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:19,839 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 00:27:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:22,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 115 states and 210 transitions. [2021-11-23 00:27:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 210 transitions. [2021-11-23 00:27:22,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:27:22,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:22,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:22,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:27:26,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 212 transitions. [2021-11-23 00:27:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 212 transitions. [2021-11-23 00:27:26,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:27:26,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:26,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:26,209 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 00:27:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:27,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 118 states and 214 transitions. [2021-11-23 00:27:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 214 transitions. [2021-11-23 00:27:27,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:27:27,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:27,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:27:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:36,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 233 transitions. [2021-11-23 00:27:36,304 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 233 transitions. [2021-11-23 00:27:36,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:27:36,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:36,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:27:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 134 states and 251 transitions. [2021-11-23 00:27:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 251 transitions. [2021-11-23 00:27:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:27:45,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:45,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:45,801 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 00:27:46,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 133 states and 250 transitions. [2021-11-23 00:27:46,477 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 250 transitions. [2021-11-23 00:27:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:27:46,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:46,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:27:48,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:48,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 134 states and 256 transitions. [2021-11-23 00:27:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 256 transitions. [2021-11-23 00:27:48,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:27:48,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:48,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:27:53,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 137 states and 261 transitions. [2021-11-23 00:27:53,387 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 261 transitions. [2021-11-23 00:27:53,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:27:53,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:53,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:53,405 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 00:27:55,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:55,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 140 states and 266 transitions. [2021-11-23 00:27:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 266 transitions. [2021-11-23 00:27:55,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:27:55,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:55,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 148 states and 281 transitions. [2021-11-23 00:28:03,022 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 281 transitions. [2021-11-23 00:28:03,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:28:03,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:03,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:03,043 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 00:28:03,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 150 states and 285 transitions. [2021-11-23 00:28:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 285 transitions. [2021-11-23 00:28:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:28:03,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:03,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:03,563 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:04,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 151 states and 287 transitions. [2021-11-23 00:28:04,690 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 287 transitions. [2021-11-23 00:28:04,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:04,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:04,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:04,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:06,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 152 states and 290 transitions. [2021-11-23 00:28:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 290 transitions. [2021-11-23 00:28:06,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:06,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:06,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:06,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:28:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:07,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 153 states and 295 transitions. [2021-11-23 00:28:07,692 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 295 transitions. [2021-11-23 00:28:07,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:07,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:07,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:07,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:28:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 154 states and 297 transitions. [2021-11-23 00:28:09,041 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 297 transitions. [2021-11-23 00:28:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:28:09,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:09,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:09,059 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:28:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 154 states and 296 transitions. [2021-11-23 00:28:10,299 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 296 transitions. [2021-11-23 00:28:10,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:28:10,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:10,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:28:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 151 states and 291 transitions. [2021-11-23 00:28:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 291 transitions. [2021-11-23 00:28:11,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:28:11,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:11,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:14,203 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:33,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 163 states and 318 transitions. [2021-11-23 00:28:33,465 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 318 transitions. [2021-11-23 00:28:33,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:28:33,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:33,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:28:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 165 states and 324 transitions. [2021-11-23 00:28:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 324 transitions. [2021-11-23 00:28:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:28:36,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:36,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:36,784 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 00:28:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 171 states and 334 transitions. [2021-11-23 00:28:44,887 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 334 transitions. [2021-11-23 00:28:44,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:28:44,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:44,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:28:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 179 states and 348 transitions. [2021-11-23 00:28:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 348 transitions. [2021-11-23 00:28:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:28:54,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:54,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:54,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 182 states and 360 transitions. [2021-11-23 00:28:57,168 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 360 transitions. [2021-11-23 00:28:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:28:57,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:57,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:29:17,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:17,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 193 states and 389 transitions. [2021-11-23 00:29:17,490 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 389 transitions. [2021-11-23 00:29:17,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:29:17,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:17,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:29:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:18,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 194 states and 390 transitions. [2021-11-23 00:29:18,735 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 390 transitions. [2021-11-23 00:29:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:29:18,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:18,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:29:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:20,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 194 states and 389 transitions. [2021-11-23 00:29:20,085 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 389 transitions. [2021-11-23 00:29:20,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:29:20,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:20,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:29:28,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:28,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 200 states and 398 transitions. [2021-11-23 00:29:28,577 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 398 transitions. [2021-11-23 00:29:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:29:28,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:28,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:29:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:42,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 212 states and 439 transitions. [2021-11-23 00:29:42,565 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 439 transitions. [2021-11-23 00:29:42,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:29:42,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:42,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:42,586 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:29:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:44,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 212 states and 432 transitions. [2021-11-23 00:29:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 432 transitions. [2021-11-23 00:29:44,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:29:44,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:44,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:29:59,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 223 states and 457 transitions. [2021-11-23 00:29:59,092 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 457 transitions. [2021-11-23 00:29:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:29:59,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:59,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:30:13,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 233 states and 479 transitions. [2021-11-23 00:30:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 479 transitions. [2021-11-23 00:30:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:30:13,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:13,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:30:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:35,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 244 states and 506 transitions. [2021-11-23 00:30:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 506 transitions. [2021-11-23 00:30:35,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:30:35,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:35,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:30:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 244 states and 505 transitions. [2021-11-23 00:30:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 505 transitions. [2021-11-23 00:30:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:30:36,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:36,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 262 states and 553 transitions. [2021-11-23 00:31:28,123 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 553 transitions. [2021-11-23 00:31:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:31:28,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:28,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:31:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 264 states and 556 transitions. [2021-11-23 00:31:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 556 transitions. [2021-11-23 00:31:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:31:32,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:32,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:32,168 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:31:43,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:43,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 271 states and 569 transitions. [2021-11-23 00:31:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 569 transitions. [2021-11-23 00:31:43,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:31:43,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:43,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:31:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:47,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 273 states and 575 transitions. [2021-11-23 00:31:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 575 transitions. [2021-11-23 00:31:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:31:47,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:47,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:32:41,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 290 states and 614 transitions. [2021-11-23 00:32:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 614 transitions. [2021-11-23 00:32:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:32:41,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:41,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:33:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 301 states and 646 transitions. [2021-11-23 00:33:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 646 transitions. [2021-11-23 00:33:04,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:33:04,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:04,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:04,269 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:33:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 311 states and 668 transitions. [2021-11-23 00:33:25,216 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 668 transitions. [2021-11-23 00:33:25,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:33:25,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:25,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:34:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:17,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 327 states and 709 transitions. [2021-11-23 00:34:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 709 transitions. [2021-11-23 00:34:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:34:17,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:17,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:34:21,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 328 states and 712 transitions. [2021-11-23 00:34:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 712 transitions. [2021-11-23 00:34:21,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:34:21,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:21,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:34:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 328 states and 707 transitions. [2021-11-23 00:34:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 707 transitions. [2021-11-23 00:34:23,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:34:23,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:23,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:35:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:23,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 343 states and 743 transitions. [2021-11-23 00:35:23,764 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 743 transitions. [2021-11-23 00:35:23,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:35:23,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:23,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:35:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 345 states and 745 transitions. [2021-11-23 00:35:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 745 transitions. [2021-11-23 00:35:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:35:31,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:31,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:35:35,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 345 states and 744 transitions. [2021-11-23 00:35:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 744 transitions. [2021-11-23 00:35:35,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:35:35,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:35,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:36,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:35:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 349 states and 755 transitions. [2021-11-23 00:35:43,901 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 755 transitions. [2021-11-23 00:35:43,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:35:43,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:43,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:44,042 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:35:53,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 352 states and 761 transitions. [2021-11-23 00:35:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 761 transitions. [2021-11-23 00:35:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:35:53,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:53,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 360 states and 775 transitions. [2021-11-23 00:36:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 775 transitions. [2021-11-23 00:36:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:36:31,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,595 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:36:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:54,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 368 states and 790 transitions. [2021-11-23 00:36:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 790 transitions. [2021-11-23 00:36:54,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:36:54,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:54,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:37:24,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 378 states and 814 transitions. [2021-11-23 00:37:24,057 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 814 transitions. [2021-11-23 00:37:24,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:37:24,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:24,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:37:29,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 380 states and 821 transitions. [2021-11-23 00:37:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 821 transitions. [2021-11-23 00:37:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:37:29,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:29,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.