./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ --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 f3d87cda29c87bf57e92aba668210746c81813e12063a67a43996181b640be8a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:25:03,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:25:03,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:25:03,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:25:03,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:25:03,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:25:03,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:25:03,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:25:03,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:25:03,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:25:03,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:25:03,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:25:03,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:25:03,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:25:03,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:25:03,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:25:03,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:25:03,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:25:03,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:25:03,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:25:03,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:25:03,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:25:03,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:25:03,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:25:03,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:25:03,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:25:03,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:25:03,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:25:03,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:25:03,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:25:03,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:25:03,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:25:03,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:25:03,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:25:03,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:25:03,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:25:03,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:25:03,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:25:03,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:25:03,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:25:03,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:25:03,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:25:03,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:25:03,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:25:03,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:25:03,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:25:03,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:25:03,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:25:03,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:25:03,691 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:25:03,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:25:03,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:25:03,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:25:03,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:25:03,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:25:03,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:25:03,700 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:25:03,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:25:03,701 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:25:03,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:25:03,701 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:25:03,701 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:25:03,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:25:03,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:25:03,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:25:03,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:25:03,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:25:03,703 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:25:03,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:25:03,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:25:03,703 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_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3d87cda29c87bf57e92aba668210746c81813e12063a67a43996181b640be8a [2021-11-23 00:25:03,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:25:04,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:25:04,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:25:04,017 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:25:04,018 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:25:04,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2021-11-23 00:25:04,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/data/afe270a3a/43b411b06e5f4eb799a11f73d27b092d/FLAGa6833e7dd [2021-11-23 00:25:04,746 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:25:04,746 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2021-11-23 00:25:04,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/data/afe270a3a/43b411b06e5f4eb799a11f73d27b092d/FLAGa6833e7dd [2021-11-23 00:25:04,964 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/data/afe270a3a/43b411b06e5f4eb799a11f73d27b092d [2021-11-23 00:25:04,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:25:04,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:25:04,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:25:04,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:25:04,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:25:04,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:04" (1/1) ... [2021-11-23 00:25:04,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f967b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:04, skipping insertion in model container [2021-11-23 00:25:04,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:04" (1/1) ... [2021-11-23 00:25:04,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:25:05,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:25:05,411 WARN L230 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_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/sv-benchmarks/c/eca-rers2012/Problem01_label04.c[17486,17499] [2021-11-23 00:25:05,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:05,505 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:25:05,641 WARN L230 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_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/sv-benchmarks/c/eca-rers2012/Problem01_label04.c[17486,17499] [2021-11-23 00:25:05,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:05,685 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:25:05,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:05 WrapperNode [2021-11-23 00:25:05,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:25:05,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:25:05,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:25:05,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:25:05,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:05" (1/1) ... [2021-11-23 00:25:05,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:05" (1/1) ... [2021-11-23 00:25:05,788 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 00:25:05,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:25:05,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:25:05,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:25:05,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:25:05,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:05" (1/1) ... [2021-11-23 00:25:05,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:05" (1/1) ... [2021-11-23 00:25:05,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:05" (1/1) ... [2021-11-23 00:25:05,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:05" (1/1) ... [2021-11-23 00:25:05,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:05" (1/1) ... [2021-11-23 00:25:05,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:05" (1/1) ... [2021-11-23 00:25:05,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:05" (1/1) ... [2021-11-23 00:25:05,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:25:05,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:25:05,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:25:05,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:25:05,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:05" (1/1) ... [2021-11-23 00:25:05,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:25:05,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:25:05,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:25:05,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:25:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:25:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:25:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:25:05,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:25:06,087 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:25:06,089 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:25:07,234 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:25:07,448 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:25:07,448 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:25:07,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:07 BoogieIcfgContainer [2021-11-23 00:25:07,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:25:07,452 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:25:07,452 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:25:07,463 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:25:07,464 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:07" (1/1) ... [2021-11-23 00:25:07,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:25:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2021-11-23 00:25:07,568 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2021-11-23 00:25:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:25:07,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:07,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:08,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:08,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2021-11-23 00:25:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2021-11-23 00:25:08,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:25:08,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:08,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:08,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:25:08,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 146 states and 238 transitions. [2021-11-23 00:25:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2021-11-23 00:25:08,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:25:08,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:08,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:08,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2021-11-23 00:25:08,998 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2021-11-23 00:25:09,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:25:09,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:09,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:09,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:25:09,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:09,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 151 states and 245 transitions. [2021-11-23 00:25:09,238 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 245 transitions. [2021-11-23 00:25:09,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:25:09,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:09,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:09,337 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:09,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 159 states and 258 transitions. [2021-11-23 00:25:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 258 transitions. [2021-11-23 00:25:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:25:09,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:09,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:09,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:09,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 160 states and 259 transitions. [2021-11-23 00:25:09,664 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 259 transitions. [2021-11-23 00:25:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:25:09,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:09,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 168 states and 268 transitions. [2021-11-23 00:25:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 268 transitions. [2021-11-23 00:25:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:25:09,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:09,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:09,869 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:10,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 182 states and 286 transitions. [2021-11-23 00:25:10,134 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 286 transitions. [2021-11-23 00:25:10,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 00:25:10,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:10,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 197 states and 306 transitions. [2021-11-23 00:25:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 306 transitions. [2021-11-23 00:25:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 00:25:10,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:10,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 212 states and 327 transitions. [2021-11-23 00:25:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 327 transitions. [2021-11-23 00:25:11,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 00:25:11,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:11,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:11,327 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:11,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 230 states and 356 transitions. [2021-11-23 00:25:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 356 transitions. [2021-11-23 00:25:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:25:11,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:11,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:12,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:12,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 232 states and 359 transitions. [2021-11-23 00:25:12,222 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 359 transitions. [2021-11-23 00:25:12,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 00:25:12,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:12,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:12,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:12,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 237 states and 365 transitions. [2021-11-23 00:25:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 365 transitions. [2021-11-23 00:25:12,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 00:25:12,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:12,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:25:12,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:12,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 238 states and 366 transitions. [2021-11-23 00:25:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 366 transitions. [2021-11-23 00:25:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:25:12,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:12,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:13,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:13,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 257 states and 395 transitions. [2021-11-23 00:25:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 395 transitions. [2021-11-23 00:25:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:25:13,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:13,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:13,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 258 states and 396 transitions. [2021-11-23 00:25:13,586 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 396 transitions. [2021-11-23 00:25:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:25:13,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:13,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:14,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:14,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 273 states and 415 transitions. [2021-11-23 00:25:14,081 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 415 transitions. [2021-11-23 00:25:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 00:25:14,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:14,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:25:14,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 291 states and 435 transitions. [2021-11-23 00:25:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 435 transitions. [2021-11-23 00:25:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 00:25:14,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:14,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:14,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:14,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 295 states and 439 transitions. [2021-11-23 00:25:14,773 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 439 transitions. [2021-11-23 00:25:14,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:25:14,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:14,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:25:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 299 states and 444 transitions. [2021-11-23 00:25:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 444 transitions. [2021-11-23 00:25:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:25:15,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:15,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:25:15,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 307 states and 459 transitions. [2021-11-23 00:25:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 459 transitions. [2021-11-23 00:25:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:25:15,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:15,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:25:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 313 states and 467 transitions. [2021-11-23 00:25:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 467 transitions. [2021-11-23 00:25:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:25:15,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:15,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:25:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 316 states and 471 transitions. [2021-11-23 00:25:16,171 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 471 transitions. [2021-11-23 00:25:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:25:16,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:16,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:16,200 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:16,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:16,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 331 states and 491 transitions. [2021-11-23 00:25:16,629 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 491 transitions. [2021-11-23 00:25:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:25:16,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:16,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:16,668 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 345 states and 508 transitions. [2021-11-23 00:25:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 508 transitions. [2021-11-23 00:25:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:25:16,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:16,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:17,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 347 states and 510 transitions. [2021-11-23 00:25:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 510 transitions. [2021-11-23 00:25:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 00:25:17,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:17,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:25:17,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 353 states and 516 transitions. [2021-11-23 00:25:17,619 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 516 transitions. [2021-11-23 00:25:17,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 00:25:17,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:17,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:25:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 357 states and 519 transitions. [2021-11-23 00:25:17,696 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 519 transitions. [2021-11-23 00:25:17,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 00:25:17,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:17,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:17,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 359 states and 522 transitions. [2021-11-23 00:25:17,780 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 522 transitions. [2021-11-23 00:25:17,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 00:25:17,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:17,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:17,829 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 373 states and 540 transitions. [2021-11-23 00:25:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 540 transitions. [2021-11-23 00:25:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 00:25:18,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:18,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:18,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 377 states and 545 transitions. [2021-11-23 00:25:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 545 transitions. [2021-11-23 00:25:18,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 00:25:18,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:18,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:25:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 379 states and 548 transitions. [2021-11-23 00:25:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 548 transitions. [2021-11-23 00:25:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:25:18,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:18,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:18,796 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:19,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 386 states and 555 transitions. [2021-11-23 00:25:19,133 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 555 transitions. [2021-11-23 00:25:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:25:19,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:19,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:25:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 395 states and 564 transitions. [2021-11-23 00:25:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 564 transitions. [2021-11-23 00:25:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:25:19,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:19,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:25:19,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:19,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 399 states and 567 transitions. [2021-11-23 00:25:19,790 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 567 transitions. [2021-11-23 00:25:19,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:25:19,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:19,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:19,836 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:25:20,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 402 states and 569 transitions. [2021-11-23 00:25:20,058 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 569 transitions. [2021-11-23 00:25:20,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:25:20,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:20,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 508 states and 696 transitions. [2021-11-23 00:25:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 696 transitions. [2021-11-23 00:25:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:25:22,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:22,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,296 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:22,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 522 states and 711 transitions. [2021-11-23 00:25:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 711 transitions. [2021-11-23 00:25:22,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:22,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:22,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,523 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:22,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:22,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 527 states and 717 transitions. [2021-11-23 00:25:22,619 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 717 transitions. [2021-11-23 00:25:22,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:22,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:22,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:22,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 531 states and 724 transitions. [2021-11-23 00:25:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 724 transitions. [2021-11-23 00:25:22,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 00:25:22,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:22,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,739 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:22,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:22,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 533 states and 727 transitions. [2021-11-23 00:25:22,768 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 727 transitions. [2021-11-23 00:25:22,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:25:22,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:22,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:24,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 570 states and 773 transitions. [2021-11-23 00:25:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 773 transitions. [2021-11-23 00:25:24,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:25:24,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:24,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:24,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:24,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 573 states and 776 transitions. [2021-11-23 00:25:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 776 transitions. [2021-11-23 00:25:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:25:24,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:24,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:24,817 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:25,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 576 states and 779 transitions. [2021-11-23 00:25:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 779 transitions. [2021-11-23 00:25:25,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 00:25:25,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:25,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:25:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:25,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 583 states and 787 transitions. [2021-11-23 00:25:25,276 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 787 transitions. [2021-11-23 00:25:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 00:25:25,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:25,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:25,310 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:25:25,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:25,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 585 states and 788 transitions. [2021-11-23 00:25:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 788 transitions. [2021-11-23 00:25:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:25:25,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:25,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:26,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:26,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 608 states and 818 transitions. [2021-11-23 00:25:26,149 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 818 transitions. [2021-11-23 00:25:26,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:25:26,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:26,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:26,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 623 states and 832 transitions. [2021-11-23 00:25:26,909 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 832 transitions. [2021-11-23 00:25:26,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:25:26,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:26,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 626 states and 834 transitions. [2021-11-23 00:25:27,206 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 834 transitions. [2021-11-23 00:25:27,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:25:27,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:27,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 635 states and 844 transitions. [2021-11-23 00:25:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 844 transitions. [2021-11-23 00:25:27,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:25:27,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:27,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:25:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 637 states and 847 transitions. [2021-11-23 00:25:27,375 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 847 transitions. [2021-11-23 00:25:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:25:27,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:27,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:25:27,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:27,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 644 states and 853 transitions. [2021-11-23 00:25:27,801 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 853 transitions. [2021-11-23 00:25:27,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:25:27,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:27,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:27,840 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:28,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:28,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 652 states and 862 transitions. [2021-11-23 00:25:28,020 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 862 transitions. [2021-11-23 00:25:28,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 00:25:28,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:28,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:28,083 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-23 00:25:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 740 states and 954 transitions. [2021-11-23 00:25:29,013 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 954 transitions. [2021-11-23 00:25:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:25:29,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:29,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:29,058 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:25:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:29,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 745 states and 958 transitions. [2021-11-23 00:25:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 958 transitions. [2021-11-23 00:25:29,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 00:25:29,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:29,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 00:25:30,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:30,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 776 states and 992 transitions. [2021-11-23 00:25:30,154 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 992 transitions. [2021-11-23 00:25:30,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 00:25:30,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:30,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:25:31,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 826 states and 1047 transitions. [2021-11-23 00:25:31,567 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1047 transitions. [2021-11-23 00:25:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 00:25:31,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:31,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 00:25:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:31,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 829 states and 1050 transitions. [2021-11-23 00:25:31,800 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1050 transitions. [2021-11-23 00:25:31,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 00:25:31,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:31,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 77 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:32,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:32,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 842 states and 1065 transitions. [2021-11-23 00:25:32,289 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1065 transitions. [2021-11-23 00:25:32,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-23 00:25:32,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:32,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:32,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 869 states and 1093 transitions. [2021-11-23 00:25:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1093 transitions. [2021-11-23 00:25:32,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 00:25:32,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:32,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:32,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 892 states and 1117 transitions. [2021-11-23 00:25:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1117 transitions. [2021-11-23 00:25:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 00:25:32,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:32,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-23 00:25:32,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 893 states and 1117 transitions. [2021-11-23 00:25:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1117 transitions. [2021-11-23 00:25:32,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 00:25:32,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:32,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:33,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:33,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 913 states and 1139 transitions. [2021-11-23 00:25:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1139 transitions. [2021-11-23 00:25:33,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 00:25:33,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:33,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:33,749 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:34,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 940 states and 1170 transitions. [2021-11-23 00:25:34,462 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1170 transitions. [2021-11-23 00:25:34,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:25:34,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:34,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:36,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1003 states and 1237 transitions. [2021-11-23 00:25:36,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1237 transitions. [2021-11-23 00:25:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:25:36,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:36,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 109 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:37,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1024 states and 1261 transitions. [2021-11-23 00:25:37,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1261 transitions. [2021-11-23 00:25:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 00:25:37,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:37,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1041 states and 1278 transitions. [2021-11-23 00:25:37,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1278 transitions. [2021-11-23 00:25:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 00:25:37,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:37,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1124 states and 1377 transitions. [2021-11-23 00:25:40,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1377 transitions. [2021-11-23 00:25:40,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-23 00:25:40,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:40,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:25:41,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1139 states and 1398 transitions. [2021-11-23 00:25:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1398 transitions. [2021-11-23 00:25:41,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-23 00:25:41,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:41,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:25:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1144 states and 1404 transitions. [2021-11-23 00:25:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1404 transitions. [2021-11-23 00:25:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-23 00:25:41,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:41,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:41,304 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:25:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1148 states and 1408 transitions. [2021-11-23 00:25:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1408 transitions. [2021-11-23 00:25:41,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-23 00:25:41,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:41,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:25:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:41,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1153 states and 1414 transitions. [2021-11-23 00:25:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1414 transitions. [2021-11-23 00:25:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-23 00:25:41,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:41,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:25:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1224 states and 1485 transitions. [2021-11-23 00:25:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1485 transitions. [2021-11-23 00:25:43,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-23 00:25:43,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:43,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 00:25:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1265 states and 1530 transitions. [2021-11-23 00:25:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1530 transitions. [2021-11-23 00:25:44,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-23 00:25:44,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:44,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:44,436 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 00:25:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1269 states and 1533 transitions. [2021-11-23 00:25:44,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1533 transitions. [2021-11-23 00:25:44,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 00:25:44,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:44,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:25:44,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:44,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1270 states and 1534 transitions. [2021-11-23 00:25:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1534 transitions. [2021-11-23 00:25:44,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-23 00:25:44,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:44,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-23 00:25:45,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1285 states and 1551 transitions. [2021-11-23 00:25:45,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1551 transitions. [2021-11-23 00:25:45,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-23 00:25:45,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:45,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 00:25:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:46,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1315 states and 1583 transitions. [2021-11-23 00:25:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1583 transitions. [2021-11-23 00:25:46,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-23 00:25:46,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:46,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 101 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:49,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1406 states and 1696 transitions. [2021-11-23 00:25:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1696 transitions. [2021-11-23 00:25:49,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-23 00:25:49,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:49,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 101 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:49,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:49,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1410 states and 1700 transitions. [2021-11-23 00:25:49,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1700 transitions. [2021-11-23 00:25:49,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-23 00:25:49,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:49,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 98 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1460 states and 1774 transitions. [2021-11-23 00:25:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1774 transitions. [2021-11-23 00:25:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-23 00:25:52,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:52,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:52,536 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 98 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:53,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1476 states and 1793 transitions. [2021-11-23 00:25:53,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1793 transitions. [2021-11-23 00:25:53,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 00:25:53,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:53,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:25:54,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:54,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1525 states and 1847 transitions. [2021-11-23 00:25:54,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1847 transitions. [2021-11-23 00:25:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 00:25:54,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:54,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:54,880 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:25:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1542 states and 1863 transitions. [2021-11-23 00:25:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1863 transitions. [2021-11-23 00:25:55,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 00:25:55,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:55,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:55,326 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:25:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1544 states and 1864 transitions. [2021-11-23 00:25:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 1864 transitions. [2021-11-23 00:25:55,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 00:25:55,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:55,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:55,559 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:25:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:55,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1545 states and 1864 transitions. [2021-11-23 00:25:55,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1864 transitions. [2021-11-23 00:25:55,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:25:55,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:55,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:56,292 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 57 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:57,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1635 states and 1960 transitions. [2021-11-23 00:25:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1960 transitions. [2021-11-23 00:25:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:25:57,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:57,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:58,070 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:58,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:58,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1640 states and 1972 transitions. [2021-11-23 00:25:58,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 1972 transitions. [2021-11-23 00:25:58,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:25:58,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:58,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:59,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:59,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1641 states and 1972 transitions. [2021-11-23 00:25:59,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 1972 transitions. [2021-11-23 00:25:59,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 00:25:59,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:59,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:25:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1642 states and 1972 transitions. [2021-11-23 00:25:59,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1972 transitions. [2021-11-23 00:25:59,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 00:25:59,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:59,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:26:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1647 states and 1979 transitions. [2021-11-23 00:26:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 1979 transitions. [2021-11-23 00:26:00,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 00:26:00,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:00,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:26:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:00,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1663 states and 1995 transitions. [2021-11-23 00:26:00,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 1995 transitions. [2021-11-23 00:26:00,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 00:26:00,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:00,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:26:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1733 states and 2066 transitions. [2021-11-23 00:26:01,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2066 transitions. [2021-11-23 00:26:01,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-23 00:26:01,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:01,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 114 proven. 65 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:03,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1795 states and 2146 transitions. [2021-11-23 00:26:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2146 transitions. [2021-11-23 00:26:03,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-23 00:26:03,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:03,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:05,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1825 states and 2180 transitions. [2021-11-23 00:26:05,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2180 transitions. [2021-11-23 00:26:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-23 00:26:05,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:05,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 00:26:05,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:05,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1834 states and 2189 transitions. [2021-11-23 00:26:05,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2189 transitions. [2021-11-23 00:26:05,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 00:26:05,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:05,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 1836 states and 2190 transitions. [2021-11-23 00:26:06,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2190 transitions. [2021-11-23 00:26:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 00:26:06,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:06,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:06,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:06,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1841 states and 2194 transitions. [2021-11-23 00:26:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2194 transitions. [2021-11-23 00:26:06,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-23 00:26:06,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:06,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 122 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:07,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:07,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1855 states and 2215 transitions. [2021-11-23 00:26:07,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2215 transitions. [2021-11-23 00:26:07,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-23 00:26:07,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:07,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:07,414 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 122 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:08,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:08,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 1869 states and 2227 transitions. [2021-11-23 00:26:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2227 transitions. [2021-11-23 00:26:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-23 00:26:08,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:08,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:08,089 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 122 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1876 states and 2233 transitions. [2021-11-23 00:26:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2233 transitions. [2021-11-23 00:26:08,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-23 00:26:08,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:08,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 122 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 1878 states and 2234 transitions. [2021-11-23 00:26:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2234 transitions. [2021-11-23 00:26:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-23 00:26:08,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:08,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 122 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:26:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1885 states and 2242 transitions. [2021-11-23 00:26:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2242 transitions. [2021-11-23 00:26:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-23 00:26:09,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:09,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:09,863 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 130 proven. 49 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 00:26:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 1979 states and 2377 transitions. [2021-11-23 00:26:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2377 transitions. [2021-11-23 00:26:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-23 00:26:13,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:13,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 130 proven. 49 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 00:26:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:15,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2003 states and 2416 transitions. [2021-11-23 00:26:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2416 transitions. [2021-11-23 00:26:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-23 00:26:15,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:15,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 186 proven. 65 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-23 00:26:17,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2026 states and 2446 transitions. [2021-11-23 00:26:17,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2446 transitions. [2021-11-23 00:26:17,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-23 00:26:17,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:17,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 00:26:18,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:18,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2056 states and 2482 transitions. [2021-11-23 00:26:18,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2482 transitions. [2021-11-23 00:26:18,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-23 00:26:18,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:18,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 00:26:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:18,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2073 states and 2498 transitions. [2021-11-23 00:26:18,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2498 transitions. [2021-11-23 00:26:18,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-23 00:26:18,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:18,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 177 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:26:19,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:19,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2075 states and 2502 transitions. [2021-11-23 00:26:19,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2502 transitions. [2021-11-23 00:26:19,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-23 00:26:19,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:19,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 146 proven. 97 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-11-23 00:26:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2078 states and 2505 transitions. [2021-11-23 00:26:19,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2505 transitions. [2021-11-23 00:26:19,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 00:26:19,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:19,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 187 proven. 122 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 00:26:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2136 states and 2577 transitions. [2021-11-23 00:26:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2577 transitions. [2021-11-23 00:26:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-23 00:26:23,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:23,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 63 proven. 220 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 00:26:25,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2219 states and 2664 transitions. [2021-11-23 00:26:25,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 2664 transitions. [2021-11-23 00:26:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-23 00:26:25,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:25,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:25,662 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 158 proven. 88 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 00:26:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:27,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2255 states and 2706 transitions. [2021-11-23 00:26:27,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2706 transitions. [2021-11-23 00:26:27,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-23 00:26:27,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:27,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:27,269 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 158 proven. 88 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 00:26:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:28,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2284 states and 2741 transitions. [2021-11-23 00:26:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2741 transitions. [2021-11-23 00:26:28,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-23 00:26:28,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:28,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:28,734 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 158 proven. 88 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 00:26:29,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:29,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2304 states and 2761 transitions. [2021-11-23 00:26:29,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2761 transitions. [2021-11-23 00:26:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-23 00:26:29,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:29,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:29,823 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-23 00:26:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2331 states and 2789 transitions. [2021-11-23 00:26:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2789 transitions. [2021-11-23 00:26:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 00:26:30,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:30,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-23 00:26:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:30,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2344 states and 2801 transitions. [2021-11-23 00:26:30,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 2801 transitions. [2021-11-23 00:26:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 00:26:30,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:30,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-23 00:26:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2374 states and 2850 transitions. [2021-11-23 00:26:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 2850 transitions. [2021-11-23 00:26:33,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 00:26:33,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:33,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-23 00:26:34,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2389 states and 2863 transitions. [2021-11-23 00:26:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 2863 transitions. [2021-11-23 00:26:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 00:26:34,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:34,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-23 00:26:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2397 states and 2869 transitions. [2021-11-23 00:26:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 2869 transitions. [2021-11-23 00:26:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 00:26:35,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:35,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-23 00:26:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2406 states and 2878 transitions. [2021-11-23 00:26:36,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 2878 transitions. [2021-11-23 00:26:36,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 00:26:36,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:36,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:36,368 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-23 00:26:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2408 states and 2879 transitions. [2021-11-23 00:26:36,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2408 states and 2879 transitions. [2021-11-23 00:26:36,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 00:26:36,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:36,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-23 00:26:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2415 states and 2885 transitions. [2021-11-23 00:26:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 2885 transitions. [2021-11-23 00:26:36,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:26:36,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:36,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 248 proven. 137 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 2465 states and 2948 transitions. [2021-11-23 00:26:41,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 2948 transitions. [2021-11-23 00:26:41,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:26:41,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:41,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:41,449 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 248 proven. 137 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:43,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:43,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2482 states and 2975 transitions. [2021-11-23 00:26:43,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 2975 transitions. [2021-11-23 00:26:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:26:43,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:43,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 248 proven. 137 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:44,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2485 states and 2979 transitions. [2021-11-23 00:26:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 2979 transitions. [2021-11-23 00:26:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:26:44,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:44,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 248 proven. 137 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:44,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2492 states and 2994 transitions. [2021-11-23 00:26:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 2994 transitions. [2021-11-23 00:26:44,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:26:44,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:44,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 248 proven. 137 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 2499 states and 3003 transitions. [2021-11-23 00:26:45,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3003 transitions. [2021-11-23 00:26:45,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:26:45,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:45,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 248 proven. 137 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:46,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 2502 states and 3009 transitions. [2021-11-23 00:26:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3009 transitions. [2021-11-23 00:26:46,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:26:46,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:46,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 248 proven. 137 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 2505 states and 3014 transitions. [2021-11-23 00:26:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3014 transitions. [2021-11-23 00:26:47,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:26:47,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:47,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 248 proven. 137 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:48,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:48,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 2506 states and 3017 transitions. [2021-11-23 00:26:48,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3017 transitions. [2021-11-23 00:26:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:26:48,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:48,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:48,220 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 248 proven. 137 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3021 states to 2508 states and 3021 transitions. [2021-11-23 00:26:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 3021 transitions. [2021-11-23 00:26:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 00:26:48,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:48,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 248 proven. 137 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:26:49,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:49,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 2512 states and 3027 transitions. [2021-11-23 00:26:49,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3027 transitions. [2021-11-23 00:26:49,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-23 00:26:49,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:49,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 00:26:51,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 2537 states and 3053 transitions. [2021-11-23 00:26:51,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3053 transitions. [2021-11-23 00:26:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-23 00:26:51,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:51,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:51,786 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 00:26:52,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:52,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 2540 states and 3056 transitions. [2021-11-23 00:26:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 3056 transitions. [2021-11-23 00:26:52,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-23 00:26:52,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:52,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-11-23 00:26:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:53,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 2542 states and 3057 transitions. [2021-11-23 00:26:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3057 transitions. [2021-11-23 00:26:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-23 00:26:53,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:53,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-11-23 00:26:53,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2559 states and 3074 transitions. [2021-11-23 00:26:53,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3074 transitions. [2021-11-23 00:26:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-23 00:26:53,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:53,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-11-23 00:26:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:53,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 2576 states and 3090 transitions. [2021-11-23 00:26:53,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 3090 transitions. [2021-11-23 00:26:53,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-23 00:26:53,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:53,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:54,063 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 171 proven. 184 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:26:56,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 2670 states and 3184 transitions. [2021-11-23 00:26:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3184 transitions. [2021-11-23 00:26:56,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-23 00:26:56,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:56,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:56,682 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 126 proven. 307 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-23 00:26:57,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 2682 states and 3195 transitions. [2021-11-23 00:26:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3195 transitions. [2021-11-23 00:26:57,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-23 00:26:57,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:57,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 238 proven. 242 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-11-23 00:26:58,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 2613 states and 3122 transitions. [2021-11-23 00:26:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3122 transitions. [2021-11-23 00:26:58,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:26:58,068 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 142 iterations. [2021-11-23 00:26:58,078 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:27:09,238 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2021-11-23 00:27:09,248 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2021-11-23 00:27:09,249 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:27:09,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:27:09 ImpRootNode [2021-11-23 00:27:09,250 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:27:09,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:27:09,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:27:09,251 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:27:09,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:25:07" (3/4) ... [2021-11-23 00:27:09,254 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:27:09,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2021-11-23 00:27:09,278 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-23 00:27:09,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-23 00:27:09,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:27:09,453 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:27:09,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:27:09,455 INFO L158 Benchmark]: Toolchain (without parser) took 124481.90ms. Allocated memory was 109.1MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 70.4MB in the beginning and 845.6MB in the end (delta: -775.2MB). Peak memory consumption was 524.0MB. Max. memory is 16.1GB. [2021-11-23 00:27:09,455 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 79.6MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:27:09,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.65ms. Allocated memory is still 109.1MB. Free memory was 70.2MB in the beginning and 66.1MB in the end (delta: 4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:27:09,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.67ms. Allocated memory is still 109.1MB. Free memory was 66.1MB in the beginning and 60.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:27:09,456 INFO L158 Benchmark]: Boogie Preprocessor took 62.15ms. Allocated memory is still 109.1MB. Free memory was 60.3MB in the beginning and 56.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:27:09,457 INFO L158 Benchmark]: RCFGBuilder took 1599.48ms. Allocated memory was 109.1MB in the beginning and 161.5MB in the end (delta: 52.4MB). Free memory was 55.6MB in the beginning and 73.1MB in the end (delta: -17.6MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2021-11-23 00:27:09,457 INFO L158 Benchmark]: CodeCheck took 121798.01ms. Allocated memory was 161.5MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 73.1MB in the beginning and 860.3MB in the end (delta: -787.1MB). Peak memory consumption was 891.6MB. Max. memory is 16.1GB. [2021-11-23 00:27:09,458 INFO L158 Benchmark]: Witness Printer took 202.81ms. Allocated memory is still 1.4GB. Free memory was 860.3MB in the beginning and 845.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:27:09,461 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: 110.6s, OverallIterations: 142, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 367520 SdHoareTripleChecker+Valid, 812.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 363037 mSDsluCounter, 50164 SdHoareTripleChecker+Invalid, 677.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42523 mSDsCounter, 101624 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 812778 IncrementalHoareTripleChecker+Invalid, 914402 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101624 mSolverCounterUnsat, 7641 mSDtfsCounter, 812778 mSolverCounterSat, 6.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 159941 GetRequests, 153397 SyntacticMatches, 5464 SemanticMatches, 1080 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762264 ImplicationChecksByTransitivity, 83.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.9s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 22695 NumberOfCodeBlocks, 22695 NumberOfCodeBlocksAsserted, 141 NumberOfCheckSat, 22554 ConstructedInterpolants, 0 QuantifiedInterpolants, 108214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 141 InterpolantComputations, 87 PerfectInterpolantSequences, 17666/21699 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: 474]: 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: (((!(a16 == 6) || !(a21 == 1)) || a17 == 1) || ((a12 == 8 && a20 == 1) && a17 == a7)) || !(a8 == 13) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((!(a16 == 6) || !(a21 == 1)) || a17 == 1) || ((a12 == 8 && a20 == 1) && a17 == a7)) || !(a8 == 13) - 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 0.32ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 79.6MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.65ms. Allocated memory is still 109.1MB. Free memory was 70.2MB in the beginning and 66.1MB in the end (delta: 4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.67ms. Allocated memory is still 109.1MB. Free memory was 66.1MB in the beginning and 60.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.15ms. Allocated memory is still 109.1MB. Free memory was 60.3MB in the beginning and 56.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1599.48ms. Allocated memory was 109.1MB in the beginning and 161.5MB in the end (delta: 52.4MB). Free memory was 55.6MB in the beginning and 73.1MB in the end (delta: -17.6MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * CodeCheck took 121798.01ms. Allocated memory was 161.5MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 73.1MB in the beginning and 860.3MB in the end (delta: -787.1MB). Peak memory consumption was 891.6MB. Max. memory is 16.1GB. * Witness Printer took 202.81ms. Allocated memory is still 1.4GB. Free memory was 860.3MB in the beginning and 845.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:27:09,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf90f48-bbfe-4d24-a2d9-44757ca285a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE