./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c --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_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/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_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/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_2126c00f-574f-40a7-a8be-cd356a4f935e/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 eb589a592aff310a2662d7a22b89559cebd75929901bc5e2cc7816fe45d47c92 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:42:08,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:42:08,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:42:08,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:42:08,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:42:08,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:42:08,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:42:08,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:42:08,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:42:08,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:42:08,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:42:08,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:42:08,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:42:08,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:42:08,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:42:08,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:42:08,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:42:08,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:42:08,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:42:08,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:42:08,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:42:08,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:42:08,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:42:08,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:42:08,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:42:08,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:42:08,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:42:08,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:42:08,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:42:08,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:42:08,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:42:08,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:42:08,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:42:08,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:42:08,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:42:08,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:42:08,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:42:08,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:42:08,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:42:08,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:42:08,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:42:08,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 23:42:08,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:42:08,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:42:08,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:42:08,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:42:08,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:42:08,575 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:42:08,575 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:42:08,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:42:08,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:42:08,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:42:08,577 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:42:08,577 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:42:08,577 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:42:08,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:42:08,578 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:42:08,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:42:08,578 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:42:08,578 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:42:08,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:42:08,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:42:08,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:42:08,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:42:08,580 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:42:08,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:42:08,580 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_2126c00f-574f-40a7-a8be-cd356a4f935e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb589a592aff310a2662d7a22b89559cebd75929901bc5e2cc7816fe45d47c92 [2021-11-13 23:42:08,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:42:09,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:42:09,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:42:09,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:42:09,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:42:09,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c [2021-11-13 23:42:09,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e/data/d1ef1c9bd/ecdc8fbb9560405f8755e60cf48f76d3/FLAG5a337822a [2021-11-13 23:42:09,678 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:42:09,679 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c [2021-11-13 23:42:09,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e/data/d1ef1c9bd/ecdc8fbb9560405f8755e60cf48f76d3/FLAG5a337822a [2021-11-13 23:42:10,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e/data/d1ef1c9bd/ecdc8fbb9560405f8755e60cf48f76d3 [2021-11-13 23:42:10,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:42:10,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:42:10,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:42:10,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:42:10,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:42:10,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4034b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10, skipping insertion in model container [2021-11-13 23:42:10,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:42:10,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:42:10,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:42:10,333 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:42:10,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:42:10,363 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:42:10,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10 WrapperNode [2021-11-13 23:42:10,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:42:10,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:42:10,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:42:10,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:42:10,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:42:10,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:42:10,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:42:10,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:42:10,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:42:10,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:42:10,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:42:10,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:42:10,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:10,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:42:10,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:42:10,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:42:10,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2126c00f-574f-40a7-a8be-cd356a4f935e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:42:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:42:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:42:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:42:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:42:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:42:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:42:10,971 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:42:10,972 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 23:42:10,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:10 BoogieIcfgContainer [2021-11-13 23:42:10,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:42:10,976 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:42:10,976 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:42:10,991 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:42:11,006 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:10" (1/1) ... [2021-11-13 23:42:11,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:42:11,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-11-13 23:42:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-13 23:42:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:42:11,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:11,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:11,314 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 23:42:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-13 23:42:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-13 23:42:11,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:42:11,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:11,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:11,486 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 23:42:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-13 23:42:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-13 23:42:11,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:42:11,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:11,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:11,577 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 23:42:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2021-11-13 23:42:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-13 23:42:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:42:11,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:11,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:11,864 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 23:42:12,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:12,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2021-11-13 23:42:12,272 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-13 23:42:12,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:42:12,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:12,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:12,394 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 23:42:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-13 23:42:12,473 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-13 23:42:12,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:42:12,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:12,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:12,596 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 23:42:12,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:12,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2021-11-13 23:42:12,923 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2021-11-13 23:42:12,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:42:12,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:12,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:13,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2021-11-13 23:42:13,700 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2021-11-13 23:42:13,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:42:13,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:13,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:14,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2021-11-13 23:42:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2021-11-13 23:42:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:42:14,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:14,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:14,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:14,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:14,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2021-11-13 23:42:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2021-11-13 23:42:14,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:42:14,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:14,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2021-11-13 23:42:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2021-11-13 23:42:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:15,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:15,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:16,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2021-11-13 23:42:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2021-11-13 23:42:16,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:16,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:16,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:16,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:17,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2021-11-13 23:42:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2021-11-13 23:42:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:17,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:17,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2021-11-13 23:42:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2021-11-13 23:42:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:18,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:18,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:42:18,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2021-11-13 23:42:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2021-11-13 23:42:18,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:18,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:18,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:18,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:18,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:18,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2021-11-13 23:42:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2021-11-13 23:42:18,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:18,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:18,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:42:18,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2021-11-13 23:42:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2021-11-13 23:42:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:42:18,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:18,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:18,752 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 23:42:19,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2021-11-13 23:42:19,587 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2021-11-13 23:42:19,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:42:19,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:19,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:42:20,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:20,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 95 transitions. [2021-11-13 23:42:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2021-11-13 23:42:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:42:20,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:20,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:21,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2021-11-13 23:42:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2021-11-13 23:42:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:42:21,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:21,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:22,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 102 transitions. [2021-11-13 23:42:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 102 transitions. [2021-11-13 23:42:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:42:22,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:22,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:42:22,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 62 states and 101 transitions. [2021-11-13 23:42:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 101 transitions. [2021-11-13 23:42:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:42:22,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:22,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:42:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:24,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 109 transitions. [2021-11-13 23:42:24,129 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 109 transitions. [2021-11-13 23:42:24,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:42:24,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:24,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:25,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:25,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 71 states and 116 transitions. [2021-11-13 23:42:25,788 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 116 transitions. [2021-11-13 23:42:25,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:42:25,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:25,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:42:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:27,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 76 states and 121 transitions. [2021-11-13 23:42:27,035 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 121 transitions. [2021-11-13 23:42:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:42:27,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:27,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:42:29,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:29,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2021-11-13 23:42:29,539 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2021-11-13 23:42:29,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:42:29,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:29,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 23:42:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 85 states and 134 transitions. [2021-11-13 23:42:32,252 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 134 transitions. [2021-11-13 23:42:32,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:42:32,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:32,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 14 proven. 50 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 23:42:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 91 states and 141 transitions. [2021-11-13 23:42:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 141 transitions. [2021-11-13 23:42:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:42:34,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:34,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:35,095 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:42:36,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 94 states and 150 transitions. [2021-11-13 23:42:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 150 transitions. [2021-11-13 23:42:36,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:42:36,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:36,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 11 proven. 73 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 23:42:38,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:38,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2021-11-13 23:42:38,761 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2021-11-13 23:42:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:42:38,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:38,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:38,798 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-13 23:42:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:40,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 111 states and 168 transitions. [2021-11-13 23:42:40,692 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 168 transitions. [2021-11-13 23:42:40,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:42:40,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:40,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:40,769 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 45 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-13 23:42:43,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:43,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 119 states and 176 transitions. [2021-11-13 23:42:43,370 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 176 transitions. [2021-11-13 23:42:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:42:43,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:43,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:43,564 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:42:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:47,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 123 states and 185 transitions. [2021-11-13 23:42:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 185 transitions. [2021-11-13 23:42:47,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:42:47,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:47,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 57 proven. 113 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:42:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:50,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 132 states and 195 transitions. [2021-11-13 23:42:50,962 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 195 transitions. [2021-11-13 23:42:50,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:42:50,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:50,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-13 23:42:52,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:52,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 135 states and 205 transitions. [2021-11-13 23:42:52,897 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 205 transitions. [2021-11-13 23:42:52,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 23:42:52,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:52,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-11-13 23:42:55,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:55,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 146 states and 218 transitions. [2021-11-13 23:42:55,440 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 218 transitions. [2021-11-13 23:42:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 23:42:55,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:55,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 22 proven. 181 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:42:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:59,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 158 states and 230 transitions. [2021-11-13 23:42:59,050 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 230 transitions. [2021-11-13 23:42:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 23:42:59,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:59,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:59,135 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-13 23:43:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:02,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 169 states and 241 transitions. [2021-11-13 23:43:02,978 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 241 transitions. [2021-11-13 23:43:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:43:02,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:02,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 23:43:08,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:08,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 173 states and 251 transitions. [2021-11-13 23:43:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 251 transitions. [2021-11-13 23:43:08,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:43:08,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:08,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 157 proven. 214 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 23:43:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 185 states and 263 transitions. [2021-11-13 23:43:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 263 transitions. [2021-11-13 23:43:14,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:43:14,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:14,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 205 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-13 23:43:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 188 states and 274 transitions. [2021-11-13 23:43:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 274 transitions. [2021-11-13 23:43:16,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:43:16,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:16,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 195 proven. 20 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-13 23:43:22,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 202 states and 292 transitions. [2021-11-13 23:43:22,002 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 292 transitions. [2021-11-13 23:43:22,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:43:22,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:22,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:22,040 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-13 23:43:23,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:23,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 205 states and 297 transitions. [2021-11-13 23:43:23,810 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 297 transitions. [2021-11-13 23:43:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:43:23,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:23,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:24,350 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 37 proven. 383 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 23:43:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 220 states and 312 transitions. [2021-11-13 23:43:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 312 transitions. [2021-11-13 23:43:29,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-13 23:43:29,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:29,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 381 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-13 23:43:36,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:36,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 224 states and 323 transitions. [2021-11-13 23:43:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 323 transitions. [2021-11-13 23:43:36,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 23:43:36,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:36,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:38,998 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 350 proven. 362 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-13 23:43:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 226 states and 325 transitions. [2021-11-13 23:43:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 325 transitions. [2021-11-13 23:43:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:43:45,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:45,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:46,265 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2021-11-13 23:43:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 229 states and 337 transitions. [2021-11-13 23:43:48,725 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 337 transitions. [2021-11-13 23:43:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:43:48,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:48,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:48,829 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 333 proven. 25 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2021-11-13 23:43:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 233 states and 345 transitions. [2021-11-13 23:43:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 345 transitions. [2021-11-13 23:43:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:43:51,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:51,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2021-11-13 23:43:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 236 states and 350 transitions. [2021-11-13 23:43:54,070 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 350 transitions. [2021-11-13 23:43:54,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:43:54,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:54,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 56 proven. 724 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-13 23:44:00,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 254 states and 368 transitions. [2021-11-13 23:44:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 368 transitions. [2021-11-13 23:44:00,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 23:44:00,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:00,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 0 proven. 721 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-13 23:44:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:10,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 258 states and 380 transitions. [2021-11-13 23:44:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 380 transitions. [2021-11-13 23:44:10,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 23:44:10,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:10,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1373 backedges. 681 proven. 566 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-13 23:44:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 260 states and 382 transitions. [2021-11-13 23:44:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 382 transitions. [2021-11-13 23:44:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-13 23:44:22,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:22,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 0 proven. 553 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2021-11-13 23:44:26,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 263 states and 395 transitions. [2021-11-13 23:44:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 395 transitions. [2021-11-13 23:44:26,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 23:44:26,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:26,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2021-11-13 23:44:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 266 states and 400 transitions. [2021-11-13 23:44:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 400 transitions. [2021-11-13 23:44:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 23:44:28,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:28,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 525 proven. 30 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2021-11-13 23:44:31,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:31,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 270 states and 406 transitions. [2021-11-13 23:44:31,952 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 406 transitions. [2021-11-13 23:44:31,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 23:44:31,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:31,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 79 proven. 1258 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-13 23:44:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 291 states and 427 transitions. [2021-11-13 23:44:41,287 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 427 transitions. [2021-11-13 23:44:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-13 23:44:41,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:41,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:41,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 0 proven. 1254 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-13 23:44:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:53,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 295 states and 440 transitions. [2021-11-13 23:44:53,899 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 440 transitions. [2021-11-13 23:44:53,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 23:44:53,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:53,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:57,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 1204 proven. 835 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-13 23:45:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 297 states and 442 transitions. [2021-11-13 23:45:09,909 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 442 transitions. [2021-11-13 23:45:09,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-13 23:45:09,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:09,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2270 backedges. 0 proven. 2004 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2021-11-13 23:45:31,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:31,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 321 states and 481 transitions. [2021-11-13 23:45:31,051 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 481 transitions. [2021-11-13 23:45:31,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-13 23:45:31,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:31,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2322 backedges. 780 proven. 35 refuted. 0 times theorem prover too weak. 1507 trivial. 0 not checked. [2021-11-13 23:45:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 325 states and 490 transitions. [2021-11-13 23:45:35,243 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 490 transitions. [2021-11-13 23:45:35,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-13 23:45:35,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:35,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:35,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2322 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 2262 trivial. 0 not checked. [2021-11-13 23:45:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:38,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 328 states and 496 transitions. [2021-11-13 23:45:38,839 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 496 transitions. [2021-11-13 23:45:38,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-13 23:45:38,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:38,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2350 backedges. 106 proven. 2048 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-13 23:45:43,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:43,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 330 states and 498 transitions. [2021-11-13 23:45:43,067 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 498 transitions. [2021-11-13 23:45:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-13 23:45:43,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:43,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2331 backedges. 0 proven. 2043 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-11-13 23:45:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 334 states and 512 transitions. [2021-11-13 23:45:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 512 transitions. [2021-11-13 23:45:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-13 23:45:59,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:59,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3351 backedges. 0 proven. 1020 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2021-11-13 23:46:01,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:01,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 335 states and 512 transitions. [2021-11-13 23:46:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 512 transitions. [2021-11-13 23:46:01,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-13 23:46:01,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:01,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3413 backedges. 990 proven. 35 refuted. 0 times theorem prover too weak. 2388 trivial. 0 not checked. [2021-11-13 23:46:03,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:03,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 337 states and 514 transitions. [2021-11-13 23:46:03,706 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 514 transitions. [2021-11-13 23:46:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-13 23:46:03,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:03,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3413 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 3342 trivial. 0 not checked. [2021-11-13 23:46:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:04,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 338 states and 514 transitions. [2021-11-13 23:46:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 514 transitions. [2021-11-13 23:46:04,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-13 23:46:04,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:04,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:10,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3448 backedges. 1982 proven. 1178 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-11-13 23:46:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:26,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 340 states and 516 transitions. [2021-11-13 23:46:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 516 transitions. [2021-11-13 23:46:26,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-13 23:46:26,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:26,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3492 backedges. 0 proven. 1161 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2021-11-13 23:46:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:31,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 343 states and 531 transitions. [2021-11-13 23:46:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 531 transitions. [2021-11-13 23:46:31,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-13 23:46:31,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:31,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3555 backedges. 1107 proven. 40 refuted. 0 times theorem prover too weak. 2408 trivial. 0 not checked. [2021-11-13 23:46:35,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:35,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 347 states and 539 transitions. [2021-11-13 23:46:35,816 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 539 transitions. [2021-11-13 23:46:35,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-13 23:46:35,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:35,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3555 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 3483 trivial. 0 not checked. [2021-11-13 23:46:39,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 350 states and 544 transitions. [2021-11-13 23:46:39,297 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 544 transitions. [2021-11-13 23:46:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-13 23:46:39,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:39,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3591 backedges. 137 proven. 3166 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-11-13 23:46:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:54,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 377 states and 571 transitions. [2021-11-13 23:46:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 571 transitions. [2021-11-13 23:46:54,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-13 23:46:54,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:54,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3565 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-11-13 23:47:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 381 states and 586 transitions. [2021-11-13 23:47:13,368 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 586 transitions. [2021-11-13 23:47:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-13 23:47:13,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:13,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:20,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5096 backedges. 3087 proven. 1604 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-11-13 23:47:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 383 states and 588 transitions. [2021-11-13 23:47:38,636 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 588 transitions. [2021-11-13 23:47:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-13 23:47:38,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:38,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5150 backedges. 0 proven. 1585 refuted. 0 times theorem prover too weak. 3565 trivial. 0 not checked. [2021-11-13 23:47:44,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 386 states and 604 transitions. [2021-11-13 23:47:44,376 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 604 transitions. [2021-11-13 23:47:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-13 23:47:44,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:44,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5225 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 5140 trivial. 0 not checked. [2021-11-13 23:47:47,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 389 states and 609 transitions. [2021-11-13 23:47:47,710 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 609 transitions. [2021-11-13 23:47:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-13 23:47:47,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:47,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5270 backedges. 172 proven. 4693 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-11-13 23:48:06,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:06,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 419 states and 640 transitions. [2021-11-13 23:48:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 640 transitions. [2021-11-13 23:48:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-13 23:48:06,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:06,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5225 backedges. 1515 proven. 45 refuted. 0 times theorem prover too weak. 3665 trivial. 0 not checked. [2021-11-13 23:48:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 423 states and 644 transitions. [2021-11-13 23:48:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 644 transitions. [2021-11-13 23:48:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-13 23:48:11,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:11,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5236 backedges. 0 proven. 4686 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-11-13 23:48:36,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 427 states and 660 transitions. [2021-11-13 23:48:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 660 transitions. [2021-11-13 23:48:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-13 23:48:36,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:36,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 7272 backedges. 4600 proven. 2122 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-11-13 23:49:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 432 states and 666 transitions. [2021-11-13 23:49:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 666 transitions. [2021-11-13 23:49:10,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-13 23:49:10,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:10,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:11,797 INFO L134 CoverageAnalysis]: Checked inductivity of 7337 backedges. 0 proven. 2101 refuted. 0 times theorem prover too weak. 5236 trivial. 0 not checked. [2021-11-13 23:49:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 435 states and 683 transitions. [2021-11-13 23:49:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 683 transitions. [2021-11-13 23:49:17,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-13 23:49:17,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:17,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7480 backedges. 211 proven. 6719 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-11-13 23:49:40,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:40,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 468 states and 718 transitions. [2021-11-13 23:49:40,675 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 718 transitions. [2021-11-13 23:49:40,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-13 23:49:40,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:40,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:40,809 INFO L134 CoverageAnalysis]: Checked inductivity of 7425 backedges. 2013 proven. 50 refuted. 0 times theorem prover too weak. 5362 trivial. 0 not checked. [2021-11-13 23:49:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:48,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 475 states and 727 transitions. [2021-11-13 23:49:48,957 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 727 transitions. [2021-11-13 23:49:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-13 23:49:48,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:48,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:49,023 INFO L134 CoverageAnalysis]: Checked inductivity of 7425 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2021-11-13 23:49:54,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:54,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 478 states and 730 transitions. [2021-11-13 23:49:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 730 transitions. [2021-11-13 23:49:54,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-13 23:49:54,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:54,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7437 backedges. 0 proven. 6711 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2021-11-13 23:50:25,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:25,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 482 states and 747 transitions. [2021-11-13 23:50:25,780 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 747 transitions. [2021-11-13 23:50:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-13 23:50:25,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:25,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 10078 backedges. 6611 proven. 2741 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2021-11-13 23:51:08,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 490 states and 757 transitions. [2021-11-13 23:51:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 757 transitions. [2021-11-13 23:51:08,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-13 23:51:08,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:08,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:13,637 INFO L134 CoverageAnalysis]: Checked inductivity of 10155 backedges. 0 proven. 9253 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2021-11-13 23:51:46,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 526 states and 812 transitions. [2021-11-13 23:51:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 812 transitions. [2021-11-13 23:51:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-13 23:51:46,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:46,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:46,722 INFO L134 CoverageAnalysis]: Checked inductivity of 10257 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 10143 trivial. 0 not checked. [2021-11-13 23:51:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 532 states and 820 transitions. [2021-11-13 23:51:53,232 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 820 transitions. [2021-11-13 23:51:53,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-13 23:51:53,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:53,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:54,839 INFO L134 CoverageAnalysis]: Checked inductivity of 10323 backedges. 254 proven. 9343 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2021-11-13 23:52:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 534 states and 821 transitions. [2021-11-13 23:52:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 821 transitions. [2021-11-13 23:52:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-13 23:52:00,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:00,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 10257 backedges. 2610 proven. 55 refuted. 0 times theorem prover too weak. 7592 trivial. 0 not checked. [2021-11-13 23:52:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:11,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 544 states and 831 transitions. [2021-11-13 23:52:11,272 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 831 transitions. [2021-11-13 23:52:11,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-13 23:52:11,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:11,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:12,269 INFO L134 CoverageAnalysis]: Checked inductivity of 10270 backedges. 0 proven. 9334 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2021-11-13 23:52:46,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 548 states and 849 transitions. [2021-11-13 23:52:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 849 transitions. [2021-11-13 23:52:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-13 23:52:46,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:46,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 13432 backedges. 0 proven. 3162 refuted. 0 times theorem prover too weak. 10270 trivial. 0 not checked. [2021-11-13 23:52:49,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:49,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 549 states and 849 transitions. [2021-11-13 23:52:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 849 transitions. [2021-11-13 23:52:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-13 23:52:49,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:49,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 13548 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 13419 trivial. 0 not checked. [2021-11-13 23:52:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 553 states and 852 transitions. [2021-11-13 23:52:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 852 transitions. [2021-11-13 23:52:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-13 23:52:52,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:52,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:53:06,374 INFO L134 CoverageAnalysis]: Checked inductivity of 13625 backedges. 9219 proven. 3470 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked.