./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/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_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/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_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/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 45a8f33f173b19ce98ca13bb7c3a70605cebce85501309e729b51c966620adf7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:47:53,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:47:53,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:47:53,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:47:53,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:47:53,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:47:53,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:47:53,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:47:53,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:47:53,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:47:53,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:47:53,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:47:53,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:47:53,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:47:53,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:47:53,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:47:53,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:47:53,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:47:53,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:47:53,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:47:53,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:47:53,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:47:53,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:47:53,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:47:53,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:47:53,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:47:53,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:47:53,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:47:53,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:47:53,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:47:53,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:47:53,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:47:53,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:47:53,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:47:53,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:47:53,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:47:53,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:47:53,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:47:53,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:47:53,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:47:53,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:47:53,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:47:53,188 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:47:53,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:47:53,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:47:53,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:47:53,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:47:53,192 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:47:53,193 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:47:53,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:47:53,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:47:53,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:47:53,195 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:47:53,195 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:47:53,195 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:47:53,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:47:53,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:47:53,197 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:47:53,197 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:47:53,197 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:47:53,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:47:53,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:47:53,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:47:53,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:47:53,206 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:47:53,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:47:53,206 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_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45a8f33f173b19ce98ca13bb7c3a70605cebce85501309e729b51c966620adf7 [2021-11-23 00:47:53,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:47:53,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:47:53,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:47:53,562 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:47:53,563 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:47:53,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i [2021-11-23 00:47:53,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ/data/3d8a81d3d/5b42cd99a1a54eab978d628e8810a36c/FLAGc87d2af70 [2021-11-23 00:47:54,330 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:47:54,330 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i [2021-11-23 00:47:54,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ/data/3d8a81d3d/5b42cd99a1a54eab978d628e8810a36c/FLAGc87d2af70 [2021-11-23 00:47:54,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ/data/3d8a81d3d/5b42cd99a1a54eab978d628e8810a36c [2021-11-23 00:47:54,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:47:54,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:47:54,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:47:54,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:47:54,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:47:54,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:47:54" (1/1) ... [2021-11-23 00:47:54,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66054ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:54, skipping insertion in model container [2021-11-23 00:47:54,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:47:54" (1/1) ... [2021-11-23 00:47:54,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:47:54,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:47:54,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:47:54,995 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:47:55,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:47:55,069 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:47:55,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:55 WrapperNode [2021-11-23 00:47:55,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:47:55,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:47:55,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:47:55,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:47:55,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:55" (1/1) ... [2021-11-23 00:47:55,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:55" (1/1) ... [2021-11-23 00:47:55,120 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2021-11-23 00:47:55,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:47:55,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:47:55,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:47:55,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:47:55,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:55" (1/1) ... [2021-11-23 00:47:55,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:55" (1/1) ... [2021-11-23 00:47:55,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:55" (1/1) ... [2021-11-23 00:47:55,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:55" (1/1) ... [2021-11-23 00:47:55,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:55" (1/1) ... [2021-11-23 00:47:55,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:55" (1/1) ... [2021-11-23 00:47:55,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:55" (1/1) ... [2021-11-23 00:47:55,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:47:55,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:47:55,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:47:55,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:47:55,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:55" (1/1) ... [2021-11-23 00:47:55,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:47:55,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:47:55,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:47:55,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ac5707-a5cd-4b24-8f42-6eab3ffcd5f0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:47:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:47:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:47:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:47:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:47:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:47:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:47:55,348 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:47:55,350 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:47:55,702 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:47:55,809 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:47:55,810 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:47:55,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:47:55 BoogieIcfgContainer [2021-11-23 00:47:55,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:47:55,815 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:47:55,816 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:47:55,827 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:47:55,828 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:47:55" (1/1) ... [2021-11-23 00:47:55,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:47:55,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2021-11-23 00:47:55,946 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2021-11-23 00:47:55,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:47:55,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:55,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:56,191 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 00:47:56,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2021-11-23 00:47:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2021-11-23 00:47:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:47:56,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:56,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:56,415 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 00:47:56,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:56,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2021-11-23 00:47:56,613 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-11-23 00:47:56,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:47:56,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:56,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:56,673 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 00:47:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:56,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2021-11-23 00:47:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2021-11-23 00:47:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:47:56,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:56,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:56,823 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 00:47:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:57,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2021-11-23 00:47:57,147 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2021-11-23 00:47:57,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:47:57,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:57,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:57,210 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 00:47:57,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2021-11-23 00:47:57,515 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2021-11-23 00:47:57,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:47:57,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:57,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:57,651 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 00:47:58,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2021-11-23 00:47:58,276 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2021-11-23 00:47:58,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:47:58,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:58,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:58,332 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 00:47:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2021-11-23 00:47:58,360 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2021-11-23 00:47:58,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:47:58,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:58,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:58,458 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 00:47:59,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2021-11-23 00:47:59,380 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2021-11-23 00:47:59,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:47:59,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:59,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:59,518 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 00:48:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 56 states and 89 transitions. [2021-11-23 00:48:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2021-11-23 00:48:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:48:00,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:00,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:00,290 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 00:48:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 91 transitions. [2021-11-23 00:48:00,489 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 91 transitions. [2021-11-23 00:48:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:48:00,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:00,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:00,633 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 00:48:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2021-11-23 00:48:01,149 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2021-11-23 00:48:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:48:01,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:01,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:01,227 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 00:48:01,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 96 transitions. [2021-11-23 00:48:01,455 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2021-11-23 00:48:01,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:48:01,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:01,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:01,491 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 00:48:01,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:01,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 61 states and 96 transitions. [2021-11-23 00:48:01,730 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 96 transitions. [2021-11-23 00:48:01,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:48:01,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:01,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:01,899 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 00:48:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 107 transitions. [2021-11-23 00:48:02,883 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2021-11-23 00:48:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:48:02,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:02,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:02,901 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 00:48:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:03,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 65 states and 111 transitions. [2021-11-23 00:48:03,379 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2021-11-23 00:48:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:48:03,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:03,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:03,414 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 00:48:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 66 states and 115 transitions. [2021-11-23 00:48:03,991 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 115 transitions. [2021-11-23 00:48:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:48:03,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:03,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:04,185 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 00:48:04,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:04,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 118 transitions. [2021-11-23 00:48:04,687 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2021-11-23 00:48:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:48:04,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:04,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:04,866 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 00:48:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:05,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 68 states and 120 transitions. [2021-11-23 00:48:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2021-11-23 00:48:05,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:48:05,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:05,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:05,348 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 00:48:05,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 69 states and 123 transitions. [2021-11-23 00:48:05,909 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 123 transitions. [2021-11-23 00:48:05,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:48:05,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:05,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:06,123 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 00:48:06,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:06,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 107 transitions. [2021-11-23 00:48:06,526 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2021-11-23 00:48:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:48:06,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:06,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:06,542 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 00:48:06,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:06,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 106 transitions. [2021-11-23 00:48:06,552 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 106 transitions. [2021-11-23 00:48:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:48:06,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:06,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:06,710 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 00:48:06,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:06,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 109 transitions. [2021-11-23 00:48:06,816 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 109 transitions. [2021-11-23 00:48:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:48:06,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:06,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:07,084 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 00:48:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:07,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2021-11-23 00:48:07,520 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2021-11-23 00:48:07,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:48:07,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:07,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:07,549 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 00:48:07,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:07,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2021-11-23 00:48:07,796 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2021-11-23 00:48:07,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:48:07,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:07,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:07,837 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 00:48:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 68 states and 113 transitions. [2021-11-23 00:48:08,261 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 113 transitions. [2021-11-23 00:48:08,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:48:08,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:08,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:08,313 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 00:48:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2021-11-23 00:48:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2021-11-23 00:48:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:48:08,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:08,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:08,723 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 00:48:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2021-11-23 00:48:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2021-11-23 00:48:09,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:48:09,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:09,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:09,295 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 00:48:10,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:10,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2021-11-23 00:48:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2021-11-23 00:48:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:48:10,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:10,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:10,334 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 00:48:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 74 transitions. [2021-11-23 00:48:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-11-23 00:48:11,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:48:11,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:11,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:11,607 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 00:48:12,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:12,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2021-11-23 00:48:12,090 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2021-11-23 00:48:12,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:48:12,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:12,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:12,333 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 00:48:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:14,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 81 transitions. [2021-11-23 00:48:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2021-11-23 00:48:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:48:14,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:14,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:14,991 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 00:48:15,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2021-11-23 00:48:15,003 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2021-11-23 00:48:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:48:15,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:15,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:15,558 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 00:48:15,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:15,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2021-11-23 00:48:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2021-11-23 00:48:15,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:15,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:15,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:15,933 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 00:48:15,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:15,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 81 transitions. [2021-11-23 00:48:15,948 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2021-11-23 00:48:15,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:15,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:15,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:16,112 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 00:48:16,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 56 states and 84 transitions. [2021-11-23 00:48:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 84 transitions. [2021-11-23 00:48:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:16,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:16,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:16,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2021-11-23 00:48:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2021-11-23 00:48:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:16,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:16,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:16,879 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 00:48:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2021-11-23 00:48:17,896 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2021-11-23 00:48:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:48:17,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:17,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:48:19,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:19,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 60 states and 90 transitions. [2021-11-23 00:48:19,032 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2021-11-23 00:48:19,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:48:19,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:19,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:19,841 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 00:48:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:24,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 99 transitions. [2021-11-23 00:48:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2021-11-23 00:48:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:48:24,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:24,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:24,239 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 00:48:24,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 66 states and 99 transitions. [2021-11-23 00:48:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2021-11-23 00:48:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:48:24,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:24,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:24,914 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 00:48:25,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:25,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2021-11-23 00:48:25,636 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2021-11-23 00:48:25,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:48:25,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:25,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:26,150 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 00:48:31,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:31,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2021-11-23 00:48:31,758 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2021-11-23 00:48:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:48:31,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:31,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:32,677 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 00:48:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 116 transitions. [2021-11-23 00:48:36,510 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2021-11-23 00:48:36,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:48:36,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:36,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:37,412 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 00:48:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 80 states and 129 transitions. [2021-11-23 00:48:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 129 transitions. [2021-11-23 00:48:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:48:42,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:42,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:42,271 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 00:48:45,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 83 states and 134 transitions. [2021-11-23 00:48:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2021-11-23 00:48:45,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:48:45,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:45,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:48:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:46,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 82 states and 133 transitions. [2021-11-23 00:48:46,387 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 133 transitions. [2021-11-23 00:48:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:48:46,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:46,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:46,409 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 00:48:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 147 transitions. [2021-11-23 00:48:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 147 transitions. [2021-11-23 00:48:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:48:50,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:50,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:51,639 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 00:48:55,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:55,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 92 states and 153 transitions. [2021-11-23 00:48:55,192 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 153 transitions. [2021-11-23 00:48:55,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:48:55,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:55,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:55,221 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 00:48:59,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 98 states and 166 transitions. [2021-11-23 00:48:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 166 transitions. [2021-11-23 00:48:59,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:48:59,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:59,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:59,870 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 00:49:00,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 166 transitions. [2021-11-23 00:49:00,836 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 166 transitions. [2021-11-23 00:49:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:49:00,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:00,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:02,186 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 00:49:14,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:14,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 109 states and 185 transitions. [2021-11-23 00:49:14,198 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2021-11-23 00:49:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:49:14,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:14,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:14,228 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 00:49:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 112 states and 192 transitions. [2021-11-23 00:49:16,808 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 192 transitions. [2021-11-23 00:49:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:49:16,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:16,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:16,828 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 00:49:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 181 transitions. [2021-11-23 00:49:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 181 transitions. [2021-11-23 00:49:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:49:17,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:17,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:23,410 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 00:49:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 204 transitions. [2021-11-23 00:49:54,449 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 204 transitions. [2021-11-23 00:49:54,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:49:54,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:54,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:54,479 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 00:49:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 123 states and 205 transitions. [2021-11-23 00:49:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 205 transitions. [2021-11-23 00:49:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:49:55,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:55,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:50:26,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:26,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 135 states and 233 transitions. [2021-11-23 00:50:26,743 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 233 transitions. [2021-11-23 00:50:26,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:50:26,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:26,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:27,301 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 00:50:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:28,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 134 states and 232 transitions. [2021-11-23 00:50:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 232 transitions. [2021-11-23 00:50:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:50:28,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:28,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:28,480 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:50:31,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:31,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 136 states and 235 transitions. [2021-11-23 00:50:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 235 transitions. [2021-11-23 00:50:31,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:50:31,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:31,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:50:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 143 states and 248 transitions. [2021-11-23 00:50:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 248 transitions. [2021-11-23 00:50:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:50:40,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:40,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:50:53,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:53,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 152 states and 269 transitions. [2021-11-23 00:50:53,386 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 269 transitions. [2021-11-23 00:50:53,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:50:53,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:53,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:51:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 161 states and 289 transitions. [2021-11-23 00:51:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 289 transitions. [2021-11-23 00:51:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:51:06,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:06,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 168 states and 304 transitions. [2021-11-23 00:51:34,402 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 304 transitions. [2021-11-23 00:51:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:51:34,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:34,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:41,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:41,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 165 states and 297 transitions. [2021-11-23 00:51:41,682 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 297 transitions. [2021-11-23 00:51:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:51:41,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:41,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:41,714 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 00:51:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 171 states and 311 transitions. [2021-11-23 00:51:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 311 transitions. [2021-11-23 00:51:49,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:51:49,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:49,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:49,952 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 00:51:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 178 states and 324 transitions. [2021-11-23 00:51:59,486 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 324 transitions. [2021-11-23 00:51:59,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:51:59,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:59,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:52:26,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:26,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 189 states and 354 transitions. [2021-11-23 00:52:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 354 transitions. [2021-11-23 00:52:26,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:52:26,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:26,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:26,540 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:52:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:44,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 194 states and 366 transitions. [2021-11-23 00:52:44,469 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 366 transitions. [2021-11-23 00:52:44,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:52:44,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:44,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:52:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 199 states and 377 transitions. [2021-11-23 00:52:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 377 transitions. [2021-11-23 00:52:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:52:53,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:53,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:53:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:12,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 208 states and 401 transitions. [2021-11-23 00:53:12,674 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 401 transitions. [2021-11-23 00:53:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:53:12,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:12,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:53:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 211 states and 408 transitions. [2021-11-23 00:53:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 408 transitions. [2021-11-23 00:53:21,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:53:21,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:21,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:53:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 211 states and 406 transitions. [2021-11-23 00:53:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 406 transitions. [2021-11-23 00:53:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:53:23,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:23,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:53:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:26,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 211 states and 405 transitions. [2021-11-23 00:53:26,040 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 405 transitions. [2021-11-23 00:53:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:53:26,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:26,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:53:54,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:54,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 207 states and 395 transitions. [2021-11-23 00:53:54,079 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 395 transitions. [2021-11-23 00:53:54,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:53:54,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:54,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 213 states and 411 transitions. [2021-11-23 00:54:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 411 transitions. [2021-11-23 00:54:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:03,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:03,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:54:07,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:07,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 215 states and 413 transitions. [2021-11-23 00:54:07,350 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 413 transitions. [2021-11-23 00:54:07,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:07,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:07,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:54:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 223 states and 434 transitions. [2021-11-23 00:54:23,471 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 434 transitions. [2021-11-23 00:54:23,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:23,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:23,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:23,503 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 00:54:29,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 226 states and 443 transitions. [2021-11-23 00:54:29,116 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 443 transitions. [2021-11-23 00:54:29,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:29,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:29,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:29,156 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 00:54:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 227 states and 443 transitions. [2021-11-23 00:54:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 443 transitions. [2021-11-23 00:54:31,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:54:31,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:14,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 237 states and 465 transitions. [2021-11-23 00:55:14,776 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 465 transitions. [2021-11-23 00:55:14,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:14,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:14,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:17,070 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:22,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 239 states and 470 transitions. [2021-11-23 00:55:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 470 transitions. [2021-11-23 00:55:22,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:55:22,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:22,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:55:26,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 240 states and 471 transitions. [2021-11-23 00:55:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 471 transitions. [2021-11-23 00:55:26,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:55:26,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:26,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:34,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:34,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:34,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 257 states and 522 transitions. [2021-11-23 00:56:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 522 transitions. [2021-11-23 00:56:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:56:34,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:34,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 265 states and 535 transitions. [2021-11-23 00:57:02,718 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 535 transitions. [2021-11-23 00:57:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:57:02,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:02,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 276 states and 564 transitions. [2021-11-23 00:57:38,579 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 564 transitions. [2021-11-23 00:57:38,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:57:38,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:38,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:45,397 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 00:58:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 293 states and 601 transitions. [2021-11-23 00:58:51,167 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 601 transitions. [2021-11-23 00:58:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:58:51,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:59:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:08,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 299 states and 621 transitions. [2021-11-23 00:59:08,944 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 621 transitions. [2021-11-23 00:59:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:08,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:08,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:59:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 302 states and 630 transitions. [2021-11-23 00:59:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 630 transitions. [2021-11-23 00:59:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:17,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:17,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:17,656 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:59:36,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 308 states and 654 transitions. [2021-11-23 00:59:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 654 transitions. [2021-11-23 00:59:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:36,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:36,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:59:44,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 310 states and 656 transitions. [2021-11-23 00:59:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 656 transitions. [2021-11-23 00:59:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:44,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:59:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:56,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 312 states and 658 transitions. [2021-11-23 00:59:56,027 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 658 transitions. [2021-11-23 00:59:56,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:56,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:56,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:56,069 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.