./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e --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 f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:00:23,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:00:23,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:00:23,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:00:23,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:00:23,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:00:23,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:00:23,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:00:23,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:00:23,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:00:23,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:00:23,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:00:23,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:00:23,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:00:23,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:00:23,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:00:23,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:00:23,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:00:23,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:00:23,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:00:23,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:00:23,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:00:23,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:00:23,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:00:23,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:00:23,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:00:23,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:00:23,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:00:23,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:00:23,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:00:23,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:00:23,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:00:23,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:00:23,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:00:23,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:00:23,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:00:23,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:00:23,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:00:23,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:00:23,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:00:23,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:00:23,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 22:00:23,228 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:00:23,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:00:23,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:00:23,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:00:23,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:00:23,231 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:00:23,231 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:00:23,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:00:23,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:00:23,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:00:23,233 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 22:00:23,233 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 22:00:23,233 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 22:00:23,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:00:23,234 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:00:23,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:00:23,235 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:00:23,235 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:00:23,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:00:23,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:00:23,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:00:23,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:00:23,237 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:00:23,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:00:23,237 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_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 [2021-11-13 22:00:23,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:00:23,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:00:23,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:00:23,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:00:23,620 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:00:23,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2021-11-13 22:00:23,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/data/8ab1e82ee/19b39ca9595b47f89eb15ae93753a73e/FLAGf7735c840 [2021-11-13 22:00:24,541 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:00:24,547 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2021-11-13 22:00:24,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/data/8ab1e82ee/19b39ca9595b47f89eb15ae93753a73e/FLAGf7735c840 [2021-11-13 22:00:24,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/data/8ab1e82ee/19b39ca9595b47f89eb15ae93753a73e [2021-11-13 22:00:24,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:00:24,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:00:24,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:00:24,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:00:24,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:00:24,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:24" (1/1) ... [2021-11-13 22:00:24,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4358f971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:24, skipping insertion in model container [2021-11-13 22:00:24,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:24" (1/1) ... [2021-11-13 22:00:24,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:00:24,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:00:25,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:00:25,308 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:00:25,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:00:25,391 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:00:25,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25 WrapperNode [2021-11-13 22:00:25,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:00:25,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:00:25,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:00:25,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:00:25,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25" (1/1) ... [2021-11-13 22:00:25,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25" (1/1) ... [2021-11-13 22:00:25,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:00:25,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:00:25,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:00:25,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:00:25,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25" (1/1) ... [2021-11-13 22:00:25,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25" (1/1) ... [2021-11-13 22:00:25,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25" (1/1) ... [2021-11-13 22:00:25,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25" (1/1) ... [2021-11-13 22:00:25,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25" (1/1) ... [2021-11-13 22:00:25,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25" (1/1) ... [2021-11-13 22:00:25,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25" (1/1) ... [2021-11-13 22:00:25,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:00:25,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:00:25,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:00:25,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:00:25,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25" (1/1) ... [2021-11-13 22:00:25,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:00:25,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:00:25,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:00:25,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd27d32-4845-4e0c-be51-653f6599d99a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:00:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 22:00:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:00:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:00:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:00:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:00:25,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:00:25,956 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:00:25,957 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 22:00:25,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:25 BoogieIcfgContainer [2021-11-13 22:00:25,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:00:25,961 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:00:25,961 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:00:25,998 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:00:25,998 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:25" (1/1) ... [2021-11-13 22:00:26,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:00:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-13 22:00:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-13 22:00:26,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 22:00:26,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:26,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:26,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-11-13 22:00:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-13 22:00:26,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:00:26,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:26,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-13 22:00:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-13 22:00:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:00:26,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:26,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:27,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-11-13 22:00:27,112 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-13 22:00:27,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:00:27,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:27,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:27,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:27,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-13 22:00:27,201 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-13 22:00:27,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:00:27,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:27,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:27,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-11-13 22:00:27,791 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-13 22:00:27,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:00:27,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:27,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-13 22:00:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-13 22:00:28,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:00:28,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:28,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:28,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:29,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2021-11-13 22:00:29,260 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-11-13 22:00:29,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:00:29,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:29,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:29,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-13 22:00:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-13 22:00:29,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:00:29,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:29,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:29,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-11-13 22:00:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-13 22:00:29,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:00:29,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:29,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:00:31,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-11-13 22:00:31,023 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-11-13 22:00:31,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:00:31,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:31,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:32,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:32,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2021-11-13 22:00:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2021-11-13 22:00:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:00:32,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:32,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:33,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2021-11-13 22:00:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2021-11-13 22:00:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:00:33,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:33,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:00:33,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:33,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2021-11-13 22:00:33,531 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-11-13 22:00:33,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:00:33,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:33,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2021-11-13 22:00:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2021-11-13 22:00:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:00:36,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:36,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:36,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:00:36,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:36,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2021-11-13 22:00:36,980 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2021-11-13 22:00:36,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:00:36,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:36,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:38,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2021-11-13 22:00:38,745 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2021-11-13 22:00:38,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:00:38,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:38,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 22:00:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:41,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2021-11-13 22:00:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2021-11-13 22:00:41,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:00:41,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:41,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2021-11-13 22:00:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2021-11-13 22:00:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:00:43,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:43,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:44,318 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:45,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2021-11-13 22:00:45,673 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2021-11-13 22:00:45,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:00:45,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:45,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:00:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2021-11-13 22:00:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2021-11-13 22:00:47,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:00:47,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:47,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 22:00:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2021-11-13 22:00:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2021-11-13 22:00:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:00:48,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:48,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:51,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:51,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2021-11-13 22:00:51,798 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2021-11-13 22:00:51,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:00:51,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:51,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:53,479 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 53 states and 83 transitions. [2021-11-13 22:01:01,064 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 83 transitions. [2021-11-13 22:01:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:01:01,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:01,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:01,089 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 22:01:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:01,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2021-11-13 22:01:01,602 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2021-11-13 22:01:01,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:01:01,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:01,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:01,638 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 22:01:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:04,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 58 states and 89 transitions. [2021-11-13 22:01:04,200 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2021-11-13 22:01:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:01:04,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:04,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2021-11-13 22:01:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2021-11-13 22:01:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:01:11,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:11,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:11,294 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:01:11,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 102 transitions. [2021-11-13 22:01:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 102 transitions. [2021-11-13 22:01:11,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:11,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:11,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:11,952 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 22:01:12,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 65 states and 104 transitions. [2021-11-13 22:01:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 104 transitions. [2021-11-13 22:01:12,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:12,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:12,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:19,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2021-11-13 22:01:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2021-11-13 22:01:19,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:19,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:19,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:19,727 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 22:01:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 75 states and 126 transitions. [2021-11-13 22:01:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 126 transitions. [2021-11-13 22:01:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:01:21,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:21,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:21,999 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 22:01:22,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:22,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 75 states and 125 transitions. [2021-11-13 22:01:22,659 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2021-11-13 22:01:22,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:01:22,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:22,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:22,688 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 22:01:23,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:23,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 72 states and 119 transitions. [2021-11-13 22:01:23,418 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 119 transitions. [2021-11-13 22:01:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:01:23,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:23,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:25,672 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 83 states and 147 transitions. [2021-11-13 22:01:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 147 transitions. [2021-11-13 22:01:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:01:41,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:41,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:54,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 91 states and 163 transitions. [2021-11-13 22:01:54,634 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 163 transitions. [2021-11-13 22:01:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:01:54,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:54,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:54,677 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 22:01:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 94 states and 168 transitions. [2021-11-13 22:01:57,799 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 168 transitions. [2021-11-13 22:01:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:01:57,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:57,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:11,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 100 states and 181 transitions. [2021-11-13 22:02:11,449 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 181 transitions. [2021-11-13 22:02:11,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:02:11,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:11,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 22:02:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 105 states and 198 transitions. [2021-11-13 22:02:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 198 transitions. [2021-11-13 22:02:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:02:16,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:16,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 22:02:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 104 states and 196 transitions. [2021-11-13 22:02:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 196 transitions. [2021-11-13 22:02:18,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:02:18,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:18,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:36,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:36,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 113 states and 216 transitions. [2021-11-13 22:02:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 216 transitions. [2021-11-13 22:02:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:02:36,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:36,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:36,232 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 22:02:37,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:37,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 114 states and 216 transitions. [2021-11-13 22:02:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 216 transitions. [2021-11-13 22:02:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:02:37,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:37,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:37,536 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:44,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 120 states and 228 transitions. [2021-11-13 22:02:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 228 transitions. [2021-11-13 22:02:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:44,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:44,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-13 22:02:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 122 states and 234 transitions. [2021-11-13 22:02:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 234 transitions. [2021-11-13 22:02:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:02:47,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:47,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:50,618 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 133 states and 260 transitions. [2021-11-13 22:03:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 260 transitions. [2021-11-13 22:03:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:03:08,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:08,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 130 states and 253 transitions. [2021-11-13 22:03:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 253 transitions. [2021-11-13 22:03:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:03:14,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:14,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:15,470 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:23,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 266 transitions. [2021-11-13 22:03:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 266 transitions. [2021-11-13 22:03:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:03:23,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:23,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-13 22:03:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 138 states and 267 transitions. [2021-11-13 22:03:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 267 transitions. [2021-11-13 22:03:26,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:03:26,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:26,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:28,208 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 144 states and 280 transitions. [2021-11-13 22:03:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 280 transitions. [2021-11-13 22:03:40,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:03:40,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:40,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 150 states and 291 transitions. [2021-11-13 22:03:49,167 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 291 transitions. [2021-11-13 22:03:49,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:03:49,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:49,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-13 22:03:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 151 states and 291 transitions. [2021-11-13 22:03:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 291 transitions. [2021-11-13 22:03:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:03:50,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:50,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:54,041 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:13,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:13,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 159 states and 313 transitions. [2021-11-13 22:04:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 313 transitions. [2021-11-13 22:04:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:04:13,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:13,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:14,017 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 165 states and 325 transitions. [2021-11-13 22:04:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 325 transitions. [2021-11-13 22:04:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:04:22,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:22,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-13 22:04:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 168 states and 330 transitions. [2021-11-13 22:04:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 330 transitions. [2021-11-13 22:04:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:04:26,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:26,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:04:49,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:04:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 176 states and 354 transitions. [2021-11-13 22:04:49,437 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 354 transitions. [2021-11-13 22:04:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:04:49,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:04:49,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:04:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:02,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 184 states and 375 transitions. [2021-11-13 22:05:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 375 transitions. [2021-11-13 22:05:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:05:02,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:02,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:02,171 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:12,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:12,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 190 states and 386 transitions. [2021-11-13 22:05:12,542 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 386 transitions. [2021-11-13 22:05:12,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:05:12,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:12,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:12,613 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 196 states and 399 transitions. [2021-11-13 22:05:23,096 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 399 transitions. [2021-11-13 22:05:23,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:05:23,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:23,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:01,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:01,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 209 states and 431 transitions. [2021-11-13 22:06:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 431 transitions. [2021-11-13 22:06:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:06:01,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:01,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 217 states and 450 transitions. [2021-11-13 22:06:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 450 transitions. [2021-11-13 22:06:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:06:14,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:14,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:26,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:26,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 223 states and 464 transitions. [2021-11-13 22:06:26,558 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 464 transitions. [2021-11-13 22:06:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:06:26,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:26,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:06:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:38,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 229 states and 476 transitions. [2021-11-13 22:06:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 476 transitions. [2021-11-13 22:06:38,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:06:38,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:38,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:38,326 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-13 22:06:43,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:06:43,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 231 states and 476 transitions. [2021-11-13 22:06:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 476 transitions. [2021-11-13 22:06:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:06:43,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:06:43,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:06:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:06:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 27 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 238 states and 493 transitions. [2021-11-13 22:07:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 493 transitions. [2021-11-13 22:07:06,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:07:06,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:06,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-13 22:07:08,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 239 states and 493 transitions. [2021-11-13 22:07:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 493 transitions. [2021-11-13 22:07:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:07:08,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:08,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 27 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:20,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 245 states and 504 transitions. [2021-11-13 22:07:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 504 transitions. [2021-11-13 22:07:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:07:20,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:20,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-13 22:07:22,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 246 states and 504 transitions. [2021-11-13 22:07:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 504 transitions. [2021-11-13 22:07:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:07:22,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:22,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:22,765 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 27 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:34,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 252 states and 515 transitions. [2021-11-13 22:07:34,399 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 515 transitions. [2021-11-13 22:07:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:07:34,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:34,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:34,463 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 27 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 258 states and 526 transitions. [2021-11-13 22:07:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 526 transitions. [2021-11-13 22:07:47,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:07:47,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:47,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:25,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 266 states and 543 transitions. [2021-11-13 22:08:25,883 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 543 transitions. [2021-11-13 22:08:25,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:08:25,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:25,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:25,968 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:40,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 272 states and 558 transitions. [2021-11-13 22:08:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 558 transitions. [2021-11-13 22:08:40,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:08:40,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:40,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:40,294 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 280 states and 579 transitions. [2021-11-13 22:08:57,213 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 579 transitions. [2021-11-13 22:08:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:08:57,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:57,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 286 states and 590 transitions. [2021-11-13 22:09:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 590 transitions. [2021-11-13 22:09:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:09:10,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:10,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:18,124 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:09:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:09:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 292 states and 601 transitions. [2021-11-13 22:09:57,772 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 601 transitions. [2021-11-13 22:09:57,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:09:57,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:09:57,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:09:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 298 states and 612 transitions. [2021-11-13 22:10:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 612 transitions. [2021-11-13 22:10:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:10:11,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:11,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:26,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 304 states and 623 transitions. [2021-11-13 22:10:26,118 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 623 transitions. [2021-11-13 22:10:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:10:26,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:26,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 310 states and 634 transitions. [2021-11-13 22:10:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 634 transitions. [2021-11-13 22:10:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:10:40,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:40,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:10:57,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:10:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 318 states and 652 transitions. [2021-11-13 22:10:57,544 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 652 transitions. [2021-11-13 22:10:57,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:10:57,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:10:57,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:10:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:10:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:12,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:12,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 324 states and 667 transitions. [2021-11-13 22:11:12,867 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 667 transitions. [2021-11-13 22:11:12,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:11:12,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:12,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:27,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 330 states and 681 transitions. [2021-11-13 22:11:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 681 transitions. [2021-11-13 22:11:27,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:11:27,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:27,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-13 22:11:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:30,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 331 states and 681 transitions. [2021-11-13 22:11:30,135 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 681 transitions. [2021-11-13 22:11:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:11:30,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:30,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:11:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:11:47,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 339 states and 698 transitions. [2021-11-13 22:11:47,039 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 698 transitions. [2021-11-13 22:11:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:11:47,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:11:47,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:11:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:11:56,220 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.