./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI --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 e9fc1c4ac9b5c9b782fe33ece5b0fcbdb6337af474d3fecce508816632ae710b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:58:02,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:58:02,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:58:02,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:58:02,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:58:02,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:58:02,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:58:02,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:58:02,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:58:02,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:58:02,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:58:02,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:58:02,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:58:02,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:58:02,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:58:02,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:58:02,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:58:02,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:58:02,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:58:02,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:58:02,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:58:02,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:58:02,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:58:02,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:58:02,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:58:02,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:58:02,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:58:02,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:58:02,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:58:02,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:58:02,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:58:02,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:58:02,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:58:02,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:58:02,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:58:02,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:58:02,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:58:02,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:58:02,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:58:02,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:58:02,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:58:02,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:58:02,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:58:02,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:58:02,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:58:02,549 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:58:02,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:58:02,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:58:02,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:58:02,550 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:58:02,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:58:02,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:58:02,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:58:02,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:58:02,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:58:02,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:58:02,552 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:58:02,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:58:02,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:58:02,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:58:02,553 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:58:02,553 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:58:02,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:58:02,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:58:02,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:58:02,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:58:02,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:58:02,555 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:58:02,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:58:02,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:58:02,555 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_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9fc1c4ac9b5c9b782fe33ece5b0fcbdb6337af474d3fecce508816632ae710b [2021-10-29 02:58:02,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:58:02,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:58:02,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:58:02,872 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:58:02,873 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:58:02,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem01_label19.c [2021-10-29 02:58:02,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/data/0d2a06a7b/3b765f187c39405791cd877372e9d3fe/FLAG98cc5628a [2021-10-29 02:58:03,637 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:58:03,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/sv-benchmarks/c/eca-rers2012/Problem01_label19.c [2021-10-29 02:58:03,650 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/data/0d2a06a7b/3b765f187c39405791cd877372e9d3fe/FLAG98cc5628a [2021-10-29 02:58:03,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/data/0d2a06a7b/3b765f187c39405791cd877372e9d3fe [2021-10-29 02:58:03,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:58:03,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:58:03,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:58:03,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:58:03,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:58:03,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:58:03" (1/1) ... [2021-10-29 02:58:03,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c91db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:03, skipping insertion in model container [2021-10-29 02:58:03,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:58:03" (1/1) ... [2021-10-29 02:58:03,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:58:03,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:58:04,292 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_7161bcb3-fe4b-489b-b7b9-c128f06fac22/sv-benchmarks/c/eca-rers2012/Problem01_label19.c[16251,16264] [2021-10-29 02:58:04,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:58:04,400 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:58:04,550 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_7161bcb3-fe4b-489b-b7b9-c128f06fac22/sv-benchmarks/c/eca-rers2012/Problem01_label19.c[16251,16264] [2021-10-29 02:58:04,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:58:04,598 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:58:04,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:04 WrapperNode [2021-10-29 02:58:04,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:58:04,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:58:04,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:58:04,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:58:04,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:04" (1/1) ... [2021-10-29 02:58:04,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:04" (1/1) ... [2021-10-29 02:58:04,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:58:04,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:58:04,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:58:04,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:58:04,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:04" (1/1) ... [2021-10-29 02:58:04,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:04" (1/1) ... [2021-10-29 02:58:04,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:04" (1/1) ... [2021-10-29 02:58:04,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:04" (1/1) ... [2021-10-29 02:58:04,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:04" (1/1) ... [2021-10-29 02:58:04,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:04" (1/1) ... [2021-10-29 02:58:04,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:04" (1/1) ... [2021-10-29 02:58:04,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:58:04,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:58:04,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:58:04,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:58:04,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:04" (1/1) ... [2021-10-29 02:58:04,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:58:04,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:58:04,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:58:04,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:58:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:58:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:58:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:58:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:58:07,087 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:58:07,088 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 02:58:07,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:58:07 BoogieIcfgContainer [2021-10-29 02:58:07,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:58:07,096 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:58:07,096 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:58:07,110 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:58:07,110 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:58:07" (1/1) ... [2021-10-29 02:58:07,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:58:07,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2021-10-29 02:58:07,185 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2021-10-29 02:58:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-29 02:58:07,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:07,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:08,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 145 states and 219 transitions. [2021-10-29 02:58:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 219 transitions. [2021-10-29 02:58:08,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-29 02:58:08,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:08,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 02:58:08,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 146 states and 220 transitions. [2021-10-29 02:58:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 220 transitions. [2021-10-29 02:58:08,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-10-29 02:58:08,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:08,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 151 states and 227 transitions. [2021-10-29 02:58:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 227 transitions. [2021-10-29 02:58:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-29 02:58:08,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:08,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:09,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:09,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 221 states and 299 transitions. [2021-10-29 02:58:09,536 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 299 transitions. [2021-10-29 02:58:09,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 02:58:09,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:09,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:09,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 233 states and 314 transitions. [2021-10-29 02:58:09,798 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2021-10-29 02:58:09,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-29 02:58:09,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:09,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:10,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 246 states and 333 transitions. [2021-10-29 02:58:10,367 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 333 transitions. [2021-10-29 02:58:10,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-29 02:58:10,371 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:10,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 251 states and 338 transitions. [2021-10-29 02:58:10,546 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 338 transitions. [2021-10-29 02:58:10,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-29 02:58:10,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:10,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 02:58:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 264 states and 353 transitions. [2021-10-29 02:58:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 353 transitions. [2021-10-29 02:58:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-29 02:58:10,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:10,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:11,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 272 states and 368 transitions. [2021-10-29 02:58:11,124 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 368 transitions. [2021-10-29 02:58:11,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 02:58:11,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:11,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 278 states and 377 transitions. [2021-10-29 02:58:11,465 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 377 transitions. [2021-10-29 02:58:11,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-29 02:58:11,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:11,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 287 states and 389 transitions. [2021-10-29 02:58:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 389 transitions. [2021-10-29 02:58:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 02:58:11,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:11,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:12,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 304 states and 408 transitions. [2021-10-29 02:58:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 408 transitions. [2021-10-29 02:58:12,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-29 02:58:12,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:12,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:13,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:13,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 319 states and 431 transitions. [2021-10-29 02:58:13,213 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 431 transitions. [2021-10-29 02:58:13,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-29 02:58:13,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:13,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:13,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:13,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 331 states and 444 transitions. [2021-10-29 02:58:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 444 transitions. [2021-10-29 02:58:13,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-29 02:58:13,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:13,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 02:58:14,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:14,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 347 states and 463 transitions. [2021-10-29 02:58:14,505 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 463 transitions. [2021-10-29 02:58:14,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-29 02:58:14,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:14,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:14,559 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 02:58:14,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:14,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 354 states and 469 transitions. [2021-10-29 02:58:14,893 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 469 transitions. [2021-10-29 02:58:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-29 02:58:14,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:14,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-29 02:58:15,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:15,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 355 states and 471 transitions. [2021-10-29 02:58:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 471 transitions. [2021-10-29 02:58:15,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-29 02:58:15,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:15,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 371 states and 491 transitions. [2021-10-29 02:58:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 491 transitions. [2021-10-29 02:58:15,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-29 02:58:15,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:15,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 02:58:16,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 401 states and 525 transitions. [2021-10-29 02:58:16,510 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 525 transitions. [2021-10-29 02:58:16,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-29 02:58:16,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:16,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:16,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:16,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 415 states and 539 transitions. [2021-10-29 02:58:16,763 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 539 transitions. [2021-10-29 02:58:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-10-29 02:58:16,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:16,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:16,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 418 states and 543 transitions. [2021-10-29 02:58:16,862 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 543 transitions. [2021-10-29 02:58:16,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-29 02:58:16,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:16,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:18,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 454 states and 585 transitions. [2021-10-29 02:58:18,166 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 585 transitions. [2021-10-29 02:58:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-29 02:58:18,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:18,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:18,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 459 states and 590 transitions. [2021-10-29 02:58:18,498 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 590 transitions. [2021-10-29 02:58:18,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-29 02:58:18,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:18,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 482 states and 614 transitions. [2021-10-29 02:58:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 614 transitions. [2021-10-29 02:58:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-29 02:58:18,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:18,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 02:58:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 492 states and 626 transitions. [2021-10-29 02:58:18,932 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 626 transitions. [2021-10-29 02:58:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-29 02:58:18,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:18,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 02:58:19,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:19,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 493 states and 627 transitions. [2021-10-29 02:58:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 627 transitions. [2021-10-29 02:58:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-29 02:58:19,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:19,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:19,167 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:20,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 509 states and 647 transitions. [2021-10-29 02:58:20,192 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 647 transitions. [2021-10-29 02:58:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-10-29 02:58:20,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:20,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:20,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 523 states and 664 transitions. [2021-10-29 02:58:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 664 transitions. [2021-10-29 02:58:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-29 02:58:20,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:20,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:20,445 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:20,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 542 states and 684 transitions. [2021-10-29 02:58:20,616 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 684 transitions. [2021-10-29 02:58:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-29 02:58:20,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:20,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:20,746 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 02:58:21,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:21,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 572 states and 722 transitions. [2021-10-29 02:58:21,848 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 722 transitions. [2021-10-29 02:58:21,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-29 02:58:21,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:21,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 02:58:22,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:22,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 577 states and 727 transitions. [2021-10-29 02:58:22,207 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 727 transitions. [2021-10-29 02:58:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-29 02:58:22,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:22,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:23,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 622 states and 782 transitions. [2021-10-29 02:58:23,780 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 782 transitions. [2021-10-29 02:58:23,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-29 02:58:23,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:23,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:24,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:24,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 627 states and 787 transitions. [2021-10-29 02:58:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 787 transitions. [2021-10-29 02:58:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-29 02:58:24,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:24,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:24,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:24,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 633 states and 794 transitions. [2021-10-29 02:58:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 794 transitions. [2021-10-29 02:58:24,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-10-29 02:58:24,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:24,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-29 02:58:24,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 635 states and 797 transitions. [2021-10-29 02:58:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 797 transitions. [2021-10-29 02:58:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-10-29 02:58:24,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:24,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:24,495 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-29 02:58:24,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 649 states and 811 transitions. [2021-10-29 02:58:24,721 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 811 transitions. [2021-10-29 02:58:24,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-10-29 02:58:24,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:24,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 02:58:25,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 666 states and 828 transitions. [2021-10-29 02:58:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 828 transitions. [2021-10-29 02:58:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-29 02:58:25,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:25,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:25,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:25,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 696 states and 866 transitions. [2021-10-29 02:58:25,978 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 866 transitions. [2021-10-29 02:58:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-29 02:58:25,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:25,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:26,020 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 704 states and 877 transitions. [2021-10-29 02:58:26,092 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 877 transitions. [2021-10-29 02:58:26,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-29 02:58:26,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:26,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-29 02:58:26,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 739 states and 914 transitions. [2021-10-29 02:58:26,811 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 914 transitions. [2021-10-29 02:58:26,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-29 02:58:26,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:26,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:26,855 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 02:58:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:26,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 742 states and 918 transitions. [2021-10-29 02:58:26,915 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 918 transitions. [2021-10-29 02:58:26,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-29 02:58:26,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:26,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:26,976 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-29 02:58:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 750 states and 928 transitions. [2021-10-29 02:58:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 928 transitions. [2021-10-29 02:58:27,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-29 02:58:27,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:27,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:27,350 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 770 states and 949 transitions. [2021-10-29 02:58:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 949 transitions. [2021-10-29 02:58:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-10-29 02:58:27,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:27,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-29 02:58:27,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:27,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 775 states and 955 transitions. [2021-10-29 02:58:27,931 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 955 transitions. [2021-10-29 02:58:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-10-29 02:58:27,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:27,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 845 states and 1032 transitions. [2021-10-29 02:58:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1032 transitions. [2021-10-29 02:58:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-29 02:58:29,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:29,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 02:58:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 865 states and 1052 transitions. [2021-10-29 02:58:29,727 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1052 transitions. [2021-10-29 02:58:29,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-29 02:58:29,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:29,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:29,784 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 886 states and 1077 transitions. [2021-10-29 02:58:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1077 transitions. [2021-10-29 02:58:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-10-29 02:58:30,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:30,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-29 02:58:30,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:30,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 887 states and 1077 transitions. [2021-10-29 02:58:30,282 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1077 transitions. [2021-10-29 02:58:30,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-29 02:58:30,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:30,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 956 states and 1151 transitions. [2021-10-29 02:58:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1151 transitions. [2021-10-29 02:58:31,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-29 02:58:31,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:31,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1027 states and 1222 transitions. [2021-10-29 02:58:33,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1222 transitions. [2021-10-29 02:58:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-10-29 02:58:33,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:33,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1101 states and 1313 transitions. [2021-10-29 02:58:35,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1313 transitions. [2021-10-29 02:58:35,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-10-29 02:58:35,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:35,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:36,026 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:36,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1103 states and 1315 transitions. [2021-10-29 02:58:36,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1315 transitions. [2021-10-29 02:58:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-29 02:58:36,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:36,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:37,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:37,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1142 states and 1358 transitions. [2021-10-29 02:58:37,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1358 transitions. [2021-10-29 02:58:37,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-10-29 02:58:37,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:37,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 02:58:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:38,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1167 states and 1384 transitions. [2021-10-29 02:58:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1384 transitions. [2021-10-29 02:58:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-29 02:58:38,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:38,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:39,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1201 states and 1422 transitions. [2021-10-29 02:58:39,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1422 transitions. [2021-10-29 02:58:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-29 02:58:39,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:39,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:39,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1203 states and 1423 transitions. [2021-10-29 02:58:39,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1423 transitions. [2021-10-29 02:58:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-29 02:58:39,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:39,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:39,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1205 states and 1424 transitions. [2021-10-29 02:58:39,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1424 transitions. [2021-10-29 02:58:39,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-10-29 02:58:39,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:39,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 02:58:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1233 states and 1457 transitions. [2021-10-29 02:58:41,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1457 transitions. [2021-10-29 02:58:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-10-29 02:58:41,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:41,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 02:58:41,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:41,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1235 states and 1458 transitions. [2021-10-29 02:58:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1458 transitions. [2021-10-29 02:58:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-10-29 02:58:41,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:41,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 02:58:43,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:43,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1269 states and 1494 transitions. [2021-10-29 02:58:43,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1494 transitions. [2021-10-29 02:58:43,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-10-29 02:58:43,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:43,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:43,229 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 02:58:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:43,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1271 states and 1495 transitions. [2021-10-29 02:58:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1495 transitions. [2021-10-29 02:58:43,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-10-29 02:58:43,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:43,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:43,936 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 133 proven. 46 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:46,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1346 states and 1582 transitions. [2021-10-29 02:58:46,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1582 transitions. [2021-10-29 02:58:46,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-10-29 02:58:46,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:46,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 133 proven. 46 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:47,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1364 states and 1605 transitions. [2021-10-29 02:58:47,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1605 transitions. [2021-10-29 02:58:47,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-10-29 02:58:47,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:47,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 133 proven. 46 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1379 states and 1620 transitions. [2021-10-29 02:58:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1620 transitions. [2021-10-29 02:58:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-29 02:58:48,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:48,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:48,370 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 02:58:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1395 states and 1638 transitions. [2021-10-29 02:58:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1638 transitions. [2021-10-29 02:58:48,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-10-29 02:58:48,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:48,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1431 states and 1681 transitions. [2021-10-29 02:58:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1681 transitions. [2021-10-29 02:58:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-10-29 02:58:51,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:51,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:51,349 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:51,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:51,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1436 states and 1685 transitions. [2021-10-29 02:58:51,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1685 transitions. [2021-10-29 02:58:51,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-10-29 02:58:51,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:51,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:58:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:53,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1492 states and 1746 transitions. [2021-10-29 02:58:53,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1746 transitions. [2021-10-29 02:58:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-10-29 02:58:53,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:53,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:53,659 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-29 02:58:54,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1507 states and 1759 transitions. [2021-10-29 02:58:54,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1759 transitions. [2021-10-29 02:58:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-10-29 02:58:54,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:54,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-29 02:58:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1509 states and 1761 transitions. [2021-10-29 02:58:55,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1761 transitions. [2021-10-29 02:58:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-10-29 02:58:55,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:55,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:55,444 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-29 02:58:56,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1523 states and 1775 transitions. [2021-10-29 02:58:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1775 transitions. [2021-10-29 02:58:56,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-29 02:58:56,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:56,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-29 02:58:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:58,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 1557 states and 1812 transitions. [2021-10-29 02:58:58,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1812 transitions. [2021-10-29 02:58:58,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-29 02:58:58,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:58,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-29 02:58:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1559 states and 1813 transitions. [2021-10-29 02:58:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1813 transitions. [2021-10-29 02:58:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-29 02:58:58,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:58,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:59,218 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 126 proven. 69 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-29 02:59:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1697 states and 1987 transitions. [2021-10-29 02:59:03,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 1987 transitions. [2021-10-29 02:59:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-29 02:59:03,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:03,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-29 02:59:04,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:04,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1713 states and 2003 transitions. [2021-10-29 02:59:04,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2003 transitions. [2021-10-29 02:59:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-29 02:59:04,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:04,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:04,793 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-29 02:59:05,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:05,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 1727 states and 2016 transitions. [2021-10-29 02:59:05,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2016 transitions. [2021-10-29 02:59:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-10-29 02:59:05,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:05,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 172 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:07,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1771 states and 2068 transitions. [2021-10-29 02:59:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2068 transitions. [2021-10-29 02:59:07,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-10-29 02:59:07,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:07,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 172 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:08,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 1774 states and 2070 transitions. [2021-10-29 02:59:08,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2070 transitions. [2021-10-29 02:59:08,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-10-29 02:59:08,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:08,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:08,823 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 197 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:10,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1837 states and 2143 transitions. [2021-10-29 02:59:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2143 transitions. [2021-10-29 02:59:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-10-29 02:59:10,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:10,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:10,873 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 197 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:10,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 1839 states and 2144 transitions. [2021-10-29 02:59:10,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2144 transitions. [2021-10-29 02:59:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-10-29 02:59:11,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:11,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:11,197 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-29 02:59:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1868 states and 2176 transitions. [2021-10-29 02:59:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2176 transitions. [2021-10-29 02:59:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-10-29 02:59:13,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:13,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-29 02:59:13,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1870 states and 2179 transitions. [2021-10-29 02:59:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2179 transitions. [2021-10-29 02:59:13,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-10-29 02:59:13,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:13,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:13,912 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 204 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:14,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1888 states and 2200 transitions. [2021-10-29 02:59:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2200 transitions. [2021-10-29 02:59:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-10-29 02:59:14,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:14,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:15,094 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 204 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:15,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:15,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1890 states and 2203 transitions. [2021-10-29 02:59:15,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2203 transitions. [2021-10-29 02:59:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-10-29 02:59:15,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:15,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1905 states and 2220 transitions. [2021-10-29 02:59:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2220 transitions. [2021-10-29 02:59:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-29 02:59:17,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:17,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-10-29 02:59:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:20,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 1966 states and 2294 transitions. [2021-10-29 02:59:20,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2294 transitions. [2021-10-29 02:59:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-29 02:59:20,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:20,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-10-29 02:59:20,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:20,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 1967 states and 2294 transitions. [2021-10-29 02:59:20,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2294 transitions. [2021-10-29 02:59:20,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-29 02:59:20,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:20,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-29 02:59:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:21,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1969 states and 2295 transitions. [2021-10-29 02:59:21,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2295 transitions. [2021-10-29 02:59:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-29 02:59:21,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:21,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-29 02:59:21,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:21,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 1971 states and 2296 transitions. [2021-10-29 02:59:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2296 transitions. [2021-10-29 02:59:21,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-10-29 02:59:21,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:21,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:21,647 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-10-29 02:59:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2021 states and 2349 transitions. [2021-10-29 02:59:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2349 transitions. [2021-10-29 02:59:23,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-10-29 02:59:23,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:23,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:24,132 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 143 proven. 86 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-29 02:59:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2112 states and 2448 transitions. [2021-10-29 02:59:26,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2448 transitions. [2021-10-29 02:59:26,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-10-29 02:59:26,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:26,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 163 proven. 106 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-10-29 02:59:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:29,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2222 states and 2572 transitions. [2021-10-29 02:59:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 2572 transitions. [2021-10-29 02:59:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-10-29 02:59:29,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:29,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:29,582 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 246 proven. 84 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 02:59:31,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:31,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2261 states and 2624 transitions. [2021-10-29 02:59:31,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2624 transitions. [2021-10-29 02:59:31,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-10-29 02:59:31,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:31,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 246 proven. 84 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 02:59:33,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:33,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2290 states and 2654 transitions. [2021-10-29 02:59:33,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 2654 transitions. [2021-10-29 02:59:33,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-10-29 02:59:33,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:33,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 246 proven. 84 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 02:59:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2299 states and 2665 transitions. [2021-10-29 02:59:33,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2665 transitions. [2021-10-29 02:59:33,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-10-29 02:59:33,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:33,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-10-29 02:59:35,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:35,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2324 states and 2707 transitions. [2021-10-29 02:59:35,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2707 transitions. [2021-10-29 02:59:35,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-10-29 02:59:35,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:35,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:35,520 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-10-29 02:59:35,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:35,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2325 states and 2709 transitions. [2021-10-29 02:59:35,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2709 transitions. [2021-10-29 02:59:35,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-10-29 02:59:35,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:35,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:36,082 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-10-29 02:59:36,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2334 states and 2719 transitions. [2021-10-29 02:59:36,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2719 transitions. [2021-10-29 02:59:36,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-10-29 02:59:36,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:36,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-10-29 02:59:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2343 states and 2728 transitions. [2021-10-29 02:59:37,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2728 transitions. [2021-10-29 02:59:37,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-10-29 02:59:37,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:37,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-10-29 02:59:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2352 states and 2736 transitions. [2021-10-29 02:59:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 2736 transitions. [2021-10-29 02:59:37,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-10-29 02:59:37,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:37,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 92 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-29 02:59:39,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2387 states and 2778 transitions. [2021-10-29 02:59:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 2778 transitions. [2021-10-29 02:59:39,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-10-29 02:59:39,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:39,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:39,666 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 92 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-29 02:59:39,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:39,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2388 states and 2779 transitions. [2021-10-29 02:59:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2779 transitions. [2021-10-29 02:59:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-29 02:59:39,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:39,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 02:59:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2427 states and 2822 transitions. [2021-10-29 02:59:41,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2822 transitions. [2021-10-29 02:59:41,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-10-29 02:59:41,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:41,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 182 proven. 101 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-29 02:59:46,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2459 states and 2871 transitions. [2021-10-29 02:59:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 2871 transitions. [2021-10-29 02:59:46,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-29 02:59:46,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:46,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:47,146 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 02:59:50,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:50,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2529 states and 2951 transitions. [2021-10-29 02:59:50,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 2951 transitions. [2021-10-29 02:59:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-29 02:59:50,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:50,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 02:59:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2549 states and 2970 transitions. [2021-10-29 02:59:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 2970 transitions. [2021-10-29 02:59:51,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-29 02:59:51,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:51,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 253 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 2614 states and 3044 transitions. [2021-10-29 02:59:55,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 3044 transitions. [2021-10-29 02:59:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-29 02:59:55,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:55,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 253 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:56,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 2624 states and 3054 transitions. [2021-10-29 02:59:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 3054 transitions. [2021-10-29 02:59:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-29 02:59:56,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:56,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 253 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2645 states and 3074 transitions. [2021-10-29 02:59:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3074 transitions. [2021-10-29 02:59:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-10-29 02:59:57,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:57,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-10-29 02:59:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:58,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 2651 states and 3079 transitions. [2021-10-29 02:59:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3079 transitions. [2021-10-29 02:59:58,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-10-29 02:59:58,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:58,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:58,757 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-10-29 02:59:59,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 2666 states and 3094 transitions. [2021-10-29 02:59:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3094 transitions. [2021-10-29 02:59:59,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-10-29 02:59:59,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:59,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-10-29 03:00:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 2670 states and 3096 transitions. [2021-10-29 03:00:01,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3096 transitions. [2021-10-29 03:00:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-10-29 03:00:01,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:01,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-10-29 03:00:01,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:01,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 2672 states and 3097 transitions. [2021-10-29 03:00:01,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3097 transitions. [2021-10-29 03:00:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-10-29 03:00:01,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:01,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-10-29 03:00:02,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 2674 states and 3098 transitions. [2021-10-29 03:00:02,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3098 transitions. [2021-10-29 03:00:02,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-10-29 03:00:02,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:02,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 189 proven. 108 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-29 03:00:03,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:03,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 2701 states and 3127 transitions. [2021-10-29 03:00:03,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3127 transitions. [2021-10-29 03:00:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-10-29 03:00:03,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:03,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 191 proven. 146 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:00:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 2734 states and 3163 transitions. [2021-10-29 03:00:07,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3163 transitions. [2021-10-29 03:00:07,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-10-29 03:00:07,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:07,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:07,676 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 192 proven. 111 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-29 03:00:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 2754 states and 3186 transitions. [2021-10-29 03:00:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3186 transitions. [2021-10-29 03:00:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-10-29 03:00:09,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:09,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 182 proven. 103 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-29 03:00:14,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:14,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 2879 states and 3328 transitions. [2021-10-29 03:00:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3328 transitions. [2021-10-29 03:00:14,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-10-29 03:00:14,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:14,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:14,979 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-10-29 03:00:16,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 2900 states and 3349 transitions. [2021-10-29 03:00:16,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3349 transitions. [2021-10-29 03:00:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-10-29 03:00:16,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:16,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 292 proven. 132 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-29 03:00:20,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 2991 states and 3450 transitions. [2021-10-29 03:00:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 3450 transitions. [2021-10-29 03:00:20,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-10-29 03:00:20,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:20,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 342 proven. 110 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 03:00:24,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:24,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 3031 states and 3502 transitions. [2021-10-29 03:00:24,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 3502 transitions. [2021-10-29 03:00:24,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-10-29 03:00:24,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:24,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 342 proven. 110 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 03:00:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 3041 states and 3514 transitions. [2021-10-29 03:00:26,283 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 3514 transitions. [2021-10-29 03:00:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-10-29 03:00:26,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:26,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:26,930 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 268 proven. 114 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 03:00:32,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3639 states to 3151 states and 3639 transitions. [2021-10-29 03:00:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 3639 transitions. [2021-10-29 03:00:32,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-10-29 03:00:32,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:32,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 312 proven. 64 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:00:34,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 3220 states and 3709 transitions. [2021-10-29 03:00:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 3709 transitions. [2021-10-29 03:00:34,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-10-29 03:00:34,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:34,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-10-29 03:00:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3235 states and 3726 transitions. [2021-10-29 03:00:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3235 states and 3726 transitions. [2021-10-29 03:00:36,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-10-29 03:00:36,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:36,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2021-10-29 03:00:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:36,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3236 states and 3726 transitions. [2021-10-29 03:00:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 3726 transitions. [2021-10-29 03:00:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-10-29 03:00:36,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:36,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-10-29 03:00:38,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 3265 states and 3756 transitions. [2021-10-29 03:00:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3265 states and 3756 transitions. [2021-10-29 03:00:38,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-10-29 03:00:38,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:38,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:38,699 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-10-29 03:00:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 3281 states and 3775 transitions. [2021-10-29 03:00:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3775 transitions. [2021-10-29 03:00:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-10-29 03:00:39,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:39,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:39,910 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-10-29 03:00:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3290 states and 3783 transitions. [2021-10-29 03:00:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 3783 transitions. [2021-10-29 03:00:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-10-29 03:00:40,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:40,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:40,666 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-10-29 03:00:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3299 states and 3791 transitions. [2021-10-29 03:00:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 3791 transitions. [2021-10-29 03:00:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-29 03:00:41,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:41,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:41,788 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 334 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-29 03:00:46,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:46,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3328 states and 3829 transitions. [2021-10-29 03:00:46,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 3829 transitions. [2021-10-29 03:00:46,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:00:46,596 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 132 iterations. [2021-10-29 03:00:46,604 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:01:07,321 INFO L565 CodeCheckObserver]: Invariant with dag size 30 [2021-10-29 03:01:07,334 INFO L565 CodeCheckObserver]: Invariant with dag size 30 [2021-10-29 03:01:07,336 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:01:07,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:01:07 ImpRootNode [2021-10-29 03:01:07,337 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:01:07,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:01:07,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:01:07,338 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:01:07,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:58:07" (3/4) ... [2021-10-29 03:01:07,342 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:01:07,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 108 nodes and edges [2021-10-29 03:01:07,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 03:01:07,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:01:07,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:01:07,478 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:01:07,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:01:07,479 INFO L168 Benchmark]: Toolchain (without parser) took 183645.10 ms. Allocated memory was 94.4 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 72.3 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 512.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:01:07,480 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:01:07,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.33 ms. Allocated memory is still 94.4 MB. Free memory was 72.0 MB in the beginning and 52.6 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:01:07,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.95 ms. Allocated memory is still 94.4 MB. Free memory was 52.4 MB in the beginning and 46.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:01:07,481 INFO L168 Benchmark]: Boogie Preprocessor took 130.16 ms. Allocated memory is still 94.4 MB. Free memory was 46.9 MB in the beginning and 42.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:01:07,482 INFO L168 Benchmark]: RCFGBuilder took 2251.38 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 42.4 MB in the beginning and 73.7 MB in the end (delta: -31.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:01:07,482 INFO L168 Benchmark]: CodeCheck took 180240.96 ms. Allocated memory was 113.2 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 73.7 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 719.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:01:07,482 INFO L168 Benchmark]: Witness Printer took 140.51 ms. Allocated memory is still 2.9 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:01:07,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 159.4s, OverallIterations: 132, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 373339720 SDtfs, 819051486 SDslu, -1938537040 SDs, 0 SdLazy, -905978684 SolverSat, -333906078 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 782.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158088 GetRequests, 150755 SyntacticMatches, 6095 SemanticMatches, 1238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992688 ImplicationChecksByTransitivity, 125.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 15.2s InterpolantComputationTime, 23884 NumberOfCodeBlocks, 23884 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 23753 ConstructedInterpolants, 0 QuantifiedInterpolants, 123151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 131 InterpolantComputations, 93 PerfectInterpolantSequences, 23409/26393 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 444]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((a12 == 8 && 5 == a16) && !(a17 == 1)) && a21 == 1) && a7 == 1) || a8 <= 13) || ((((!(a20 == 1) && a12 == 8) && !(a17 == 1)) && a21 == 1) && a16 == 4)) || ((((!(a20 == 1) && a12 == 8) && 5 == a16) && !(a17 == 1)) && a21 == 1)) || ((((a12 == 8 && !(a7 == 1)) && a21 == 1) && a20 == 1) && a16 == 4)) || 15 <= a8 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((a12 == 8 && 5 == a16) && !(a17 == 1)) && a21 == 1) && a7 == 1) || a8 <= 13) || ((((!(a20 == 1) && a12 == 8) && !(a17 == 1)) && a21 == 1) && a16 == 4)) || ((((!(a20 == 1) && a12 == 8) && 5 == a16) && !(a17 == 1)) && a21 == 1)) || ((((a12 == 8 && !(a7 == 1)) && a21 == 1) && a20 == 1) && a16 == 4)) || 15 <= a8 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 764.33 ms. Allocated memory is still 94.4 MB. Free memory was 72.0 MB in the beginning and 52.6 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.95 ms. Allocated memory is still 94.4 MB. Free memory was 52.4 MB in the beginning and 46.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 130.16 ms. Allocated memory is still 94.4 MB. Free memory was 46.9 MB in the beginning and 42.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2251.38 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 42.4 MB in the beginning and 73.7 MB in the end (delta: -31.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * CodeCheck took 180240.96 ms. Allocated memory was 113.2 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 73.7 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 719.0 MB. Max. memory is 16.1 GB. * Witness Printer took 140.51 ms. Allocated memory is still 2.9 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:01:07,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7161bcb3-fe4b-489b-b7b9-c128f06fac22/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...