./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/nested_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/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_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/nested_1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8828f6ff39cd2bcfba4fe3d04f0119d60137bcad91eabef2e2b840cbd0802b98 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:32:33,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:32:33,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:32:33,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:32:33,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:32:33,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:32:33,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:32:33,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:32:33,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:32:33,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:32:34,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:32:34,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:32:34,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:32:34,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:32:34,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:32:34,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:32:34,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:32:34,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:32:34,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:32:34,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:32:34,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:32:34,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:32:34,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:32:34,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:32:34,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:32:34,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:32:34,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:32:34,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:32:34,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:32:34,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:32:34,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:32:34,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:32:34,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:32:34,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:32:34,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:32:34,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:32:34,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:32:34,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:32:34,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:32:34,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:32:34,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:32:34,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 22:32:34,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:32:34,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:32:34,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:32:34,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:32:34,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:32:34,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:32:34,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:32:34,083 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:32:34,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:32:34,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:32:34,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:32:34,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:32:34,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:32:34,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:32:34,084 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:32:34,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:32:34,084 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:32:34,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:32:34,085 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:32:34,085 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:32:34,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:32:34,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:32:34,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:32:34,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:32:34,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:32:34,086 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:32:34,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:32:34,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:32:34,087 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_df65f002-b1f5-454d-b02a-b63114d4d336/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8828f6ff39cd2bcfba4fe3d04f0119d60137bcad91eabef2e2b840cbd0802b98 [2021-11-13 22:32:34,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:32:34,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:32:34,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:32:34,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:32:34,394 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:32:34,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/loop-acceleration/nested_1-2.c [2021-11-13 22:32:34,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/data/3d419065a/30105f1b647c4e67815428fcc58b2cb8/FLAG5ea8c50d6 [2021-11-13 22:32:34,906 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:32:34,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/sv-benchmarks/c/loop-acceleration/nested_1-2.c [2021-11-13 22:32:34,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/data/3d419065a/30105f1b647c4e67815428fcc58b2cb8/FLAG5ea8c50d6 [2021-11-13 22:32:35,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/data/3d419065a/30105f1b647c4e67815428fcc58b2cb8 [2021-11-13 22:32:35,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:32:35,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:32:35,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:32:35,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:32:35,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:32:35,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51149c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35, skipping insertion in model container [2021-11-13 22:32:35,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:32:35,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:32:35,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/sv-benchmarks/c/loop-acceleration/nested_1-2.c[322,335] [2021-11-13 22:32:35,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:32:35,493 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:32:35,505 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/sv-benchmarks/c/loop-acceleration/nested_1-2.c[322,335] [2021-11-13 22:32:35,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:32:35,520 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:32:35,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35 WrapperNode [2021-11-13 22:32:35,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:32:35,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:32:35,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:32:35,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:32:35,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:32:35,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:32:35,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:32:35,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:32:35,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:32:35,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:32:35,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:32:35,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:32:35,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:32:35,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:32:35,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:32:35,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df65f002-b1f5-454d-b02a-b63114d4d336/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:32:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:32:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:32:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 22:32:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:32:35,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:32:35,848 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 22:32:35,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:35 BoogieIcfgContainer [2021-11-13 22:32:35,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:32:35,851 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:32:35,851 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:32:35,862 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:32:35,862 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:35" (1/1) ... [2021-11-13 22:32:35,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:32:35,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:35,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-11-13 22:32:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-13 22:32:35,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:32:35,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:35,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:36,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-13 22:32:36,119 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-13 22:32:36,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:32:36,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:36,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:36,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:36,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-11-13 22:32:36,232 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-13 22:32:36,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:32:36,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:36,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:36,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:36,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:36,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-11-13 22:32:36,447 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-13 22:32:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:32:36,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:36,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:36,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-13 22:32:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-13 22:32:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:32:36,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:36,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:37,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-11-13 22:32:37,029 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-13 22:32:37,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:32:37,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:37,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:37,225 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:37,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-13 22:32:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-13 22:32:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:32:37,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:37,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-11-13 22:32:37,602 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-13 22:32:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:32:37,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:37,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-13 22:32:37,898 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-13 22:32:37,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:32:37,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:37,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-11-13 22:32:38,249 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-13 22:32:38,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:32:38,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:38,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2021-11-13 22:32:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-11-13 22:32:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:32:38,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:38,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:38,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:38,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2021-11-13 22:32:38,877 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-13 22:32:38,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:32:38,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:38,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-13 22:32:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2021-11-13 22:32:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-11-13 22:32:40,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:32:40,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:40,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-13 22:32:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:42,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2021-11-13 22:32:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2021-11-13 22:32:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:32:42,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:42,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:42,511 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-13 22:32:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2021-11-13 22:32:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2021-11-13 22:32:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 22:32:44,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:44,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 736 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-13 22:32:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2021-11-13 22:32:47,542 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2021-11-13 22:32:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 22:32:47,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:47,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:48,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-11-13 22:32:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2021-11-13 22:32:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2021-11-13 22:32:51,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 22:32:51,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:51,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-13 22:32:55,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 91 states and 99 transitions. [2021-11-13 22:32:55,338 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2021-11-13 22:32:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 22:32:55,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:55,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:56,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 0 proven. 2569 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-11-13 22:33:00,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 103 states and 112 transitions. [2021-11-13 22:33:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 112 transitions. [2021-11-13 22:33:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 22:33:00,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:00,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3864 backedges. 0 proven. 3424 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2021-11-13 22:33:06,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 115 states and 125 transitions. [2021-11-13 22:33:06,176 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2021-11-13 22:33:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-13 22:33:06,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:06,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4896 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2021-11-13 22:33:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 127 states and 138 transitions. [2021-11-13 22:33:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2021-11-13 22:33:12,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-13 22:33:12,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:12,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:14,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 0 proven. 5500 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-11-13 22:33:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 139 states and 151 transitions. [2021-11-13 22:33:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 151 transitions. [2021-11-13 22:33:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-13 22:33:20,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:20,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:21,931 INFO L134 CoverageAnalysis]: Checked inductivity of 7326 backedges. 0 proven. 6721 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2021-11-13 22:33:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:28,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 151 states and 164 transitions. [2021-11-13 22:33:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 164 transitions. [2021-11-13 22:33:28,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 22:33:28,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:28,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:30,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2021-11-13 22:33:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 163 states and 177 transitions. [2021-11-13 22:33:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2021-11-13 22:33:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-13 22:33:38,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:38,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:40,787 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2021-11-13 22:33:49,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:33:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 175 states and 190 transitions. [2021-11-13 22:33:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 190 transitions. [2021-11-13 22:33:49,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-13 22:33:49,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:33:49,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:33:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:33:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2021-11-13 22:34:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 187 states and 203 transitions. [2021-11-13 22:34:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 203 transitions. [2021-11-13 22:34:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-13 22:34:00,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:00,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:03,826 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2021-11-13 22:34:14,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:14,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 199 states and 216 transitions. [2021-11-13 22:34:14,019 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 216 transitions. [2021-11-13 22:34:14,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-13 22:34:14,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:14,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2021-11-13 22:34:28,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:28,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 211 states and 229 transitions. [2021-11-13 22:34:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 229 transitions. [2021-11-13 22:34:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-13 22:34:28,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:28,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2021-11-13 22:34:43,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:34:43,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 223 states and 242 transitions. [2021-11-13 22:34:43,765 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 242 transitions. [2021-11-13 22:34:43,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-13 22:34:43,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:34:43,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:34:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:34:47,751 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-13 22:35:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 235 states and 255 transitions. [2021-11-13 22:35:00,462 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 255 transitions. [2021-11-13 22:35:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-13 22:35:00,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:00,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:05,075 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2021-11-13 22:35:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:18,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 247 states and 268 transitions. [2021-11-13 22:35:18,742 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 268 transitions. [2021-11-13 22:35:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-13 22:35:18,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:18,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2021-11-13 22:35:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:38,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 259 states and 281 transitions. [2021-11-13 22:35:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 281 transitions. [2021-11-13 22:35:38,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-13 22:35:38,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:38,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:35:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2021-11-13 22:35:59,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:35:59,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 271 states and 294 transitions. [2021-11-13 22:35:59,611 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 294 transitions. [2021-11-13 22:35:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-13 22:35:59,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:35:59,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:35:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2021-11-13 22:36:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:22,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 283 states and 307 transitions. [2021-11-13 22:36:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 307 transitions. [2021-11-13 22:36:22,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-13 22:36:22,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:22,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:28,807 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2021-11-13 22:36:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 295 states and 320 transitions. [2021-11-13 22:36:46,764 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 320 transitions. [2021-11-13 22:36:46,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-13 22:36:46,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:46,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:54,118 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2021-11-13 22:37:14,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:14,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 307 states and 333 transitions. [2021-11-13 22:37:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 333 transitions. [2021-11-13 22:37:14,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-13 22:37:14,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:14,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 38000 backedges. 0 proven. 36625 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2021-11-13 22:37:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 319 states and 346 transitions. [2021-11-13 22:37:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 346 transitions. [2021-11-13 22:37:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-13 22:37:44,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:44,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 41106 backedges. 0 proven. 39676 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-11-13 22:38:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:15,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 331 states and 359 transitions. [2021-11-13 22:38:15,802 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 359 transitions. [2021-11-13 22:38:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-13 22:38:15,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:15,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 44334 backedges. 0 proven. 42849 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2021-11-13 22:38:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:49,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 343 states and 372 transitions. [2021-11-13 22:38:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 372 transitions. [2021-11-13 22:38:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-13 22:38:49,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:49,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 47684 backedges. 0 proven. 46144 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2021-11-13 22:39:24,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 355 states and 385 transitions. [2021-11-13 22:39:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 385 transitions. [2021-11-13 22:39:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-13 22:39:24,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:24,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 0 proven. 49561 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2021-11-13 22:40:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 367 states and 398 transitions. [2021-11-13 22:40:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 398 transitions. [2021-11-13 22:40:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-11-13 22:40:02,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:02,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 54750 backedges. 0 proven. 53100 refuted. 0 times theorem prover too weak. 1650 trivial. 0 not checked. [2021-11-13 22:40:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:42,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 379 states and 411 transitions. [2021-11-13 22:40:42,117 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 411 transitions. [2021-11-13 22:40:42,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2021-11-13 22:40:42,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:42,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 58466 backedges. 0 proven. 56761 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2021-11-13 22:41:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:24,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 391 states and 424 transitions. [2021-11-13 22:41:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 424 transitions. [2021-11-13 22:41:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-11-13 22:41:24,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:24,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 62304 backedges. 0 proven. 60544 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2021-11-13 22:42:09,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:09,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 403 states and 437 transitions. [2021-11-13 22:42:09,067 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 437 transitions. [2021-11-13 22:42:09,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-11-13 22:42:09,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:09,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:24,109 INFO L134 CoverageAnalysis]: Checked inductivity of 66264 backedges. 0 proven. 64449 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-11-13 22:42:55,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 415 states and 450 transitions. [2021-11-13 22:42:55,884 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 450 transitions. [2021-11-13 22:42:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-11-13 22:42:55,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:55,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 70346 backedges. 0 proven. 68476 refuted. 0 times theorem prover too weak. 1870 trivial. 0 not checked. [2021-11-13 22:43:46,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:46,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 427 states and 463 transitions. [2021-11-13 22:43:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 463 transitions. [2021-11-13 22:43:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-11-13 22:43:46,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:46,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 74550 backedges. 0 proven. 72625 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked.