./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:51:44,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:51:44,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:51:44,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:51:44,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:51:44,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:51:44,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:51:44,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:51:44,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:51:44,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:51:44,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:51:44,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:51:44,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:51:44,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:51:44,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:51:44,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:51:44,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:51:44,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:51:44,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:51:44,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:51:44,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:51:44,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:51:44,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:51:44,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:51:44,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:51:44,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:51:44,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:51:44,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:51:44,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:51:44,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:51:44,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:51:44,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:51:44,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:51:44,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:51:44,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:51:44,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:51:44,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:51:44,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:51:44,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:51:44,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:51:44,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:51:44,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 22:51:44,886 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:51:44,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:51:44,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:51:44,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:51:44,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:51:44,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:51:44,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:51:44,892 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:51:44,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:51:44,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:51:44,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:51:44,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:51:44,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:51:44,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:51:44,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:51:44,895 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 22:51:44,895 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:51:44,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:51:44,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:51:44,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:51:44,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:51:44,897 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:51:44,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:51:44,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:51:44,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:51:44,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:51:44,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:51:44,898 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:51:44,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:51:44,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:51:44,900 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_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b [2021-11-13 22:51:45,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:51:45,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:51:45,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:51:45,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:51:45,241 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:51:45,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2021-11-13 22:51:45,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/data/781071eea/871dc9672f2a4d719ed1457173e4b608/FLAG69d6fdcb9 [2021-11-13 22:51:45,879 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:51:45,880 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2021-11-13 22:51:45,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/data/781071eea/871dc9672f2a4d719ed1457173e4b608/FLAG69d6fdcb9 [2021-11-13 22:51:46,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/data/781071eea/871dc9672f2a4d719ed1457173e4b608 [2021-11-13 22:51:46,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:51:46,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:51:46,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:51:46,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:51:46,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:51:46,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c4279d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46, skipping insertion in model container [2021-11-13 22:51:46,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:51:46,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:51:46,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/sv-benchmarks/c/loop-zilu/benchmark03_linear.i[868,881] [2021-11-13 22:51:46,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:51:46,489 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:51:46,501 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/sv-benchmarks/c/loop-zilu/benchmark03_linear.i[868,881] [2021-11-13 22:51:46,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:51:46,519 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:51:46,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46 WrapperNode [2021-11-13 22:51:46,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:51:46,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:51:46,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:51:46,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:51:46,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:51:46,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:51:46,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:51:46,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:51:46,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:51:46,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:51:46,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:51:46,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:51:46,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:46,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:51:46,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:51:46,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:51:46,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270a442e-7499-4542-a6a0-d0f13be32d15/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:51:46,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 22:51:46,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:51:46,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:51:46,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:51:46,974 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:51:46,990 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 22:51:46,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:46 BoogieIcfgContainer [2021-11-13 22:51:46,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:51:46,994 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:51:46,994 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:51:47,003 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:51:47,004 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:46" (1/1) ... [2021-11-13 22:51:47,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:51:47,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:47,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2021-11-13 22:51:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2021-11-13 22:51:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:51:47,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:47,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:47,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-11-13 22:51:47,386 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-11-13 22:51:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:51:47,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:47,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2021-11-13 22:51:47,473 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-11-13 22:51:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:51:47,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:47,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:47,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-13 22:51:47,755 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-13 22:51:47,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:51:47,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:47,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-13 22:51:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-13 22:51:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:51:47,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:47,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:48,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:48,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2021-11-13 22:51:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2021-11-13 22:51:48,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:51:48,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:48,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:49,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2021-11-13 22:51:49,012 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2021-11-13 22:51:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:51:49,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:49,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:50,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2021-11-13 22:51:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2021-11-13 22:51:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:51:50,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:50,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:51,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:51,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2021-11-13 22:51:51,243 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2021-11-13 22:51:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:51:51,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:51,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:51,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2021-11-13 22:51:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2021-11-13 22:51:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:51:51,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:51,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 115 transitions. [2021-11-13 22:51:51,602 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 115 transitions. [2021-11-13 22:51:51,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:51:51,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:51,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:51,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:52,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:52,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2021-11-13 22:51:52,814 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2021-11-13 22:51:52,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:51:52,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:52,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 89 states and 157 transitions. [2021-11-13 22:51:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2021-11-13 22:51:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:51:54,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:54,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:54,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 91 states and 159 transitions. [2021-11-13 22:51:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 159 transitions. [2021-11-13 22:51:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:51:54,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:54,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:56,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 100 states and 180 transitions. [2021-11-13 22:51:56,524 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 180 transitions. [2021-11-13 22:51:56,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:51:56,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:56,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:56,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:56,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 102 states and 182 transitions. [2021-11-13 22:51:56,755 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 182 transitions. [2021-11-13 22:51:56,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:51:56,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:56,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:58,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:58,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 112 states and 208 transitions. [2021-11-13 22:51:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 208 transitions. [2021-11-13 22:51:58,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:58,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:58,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:58,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 114 states and 210 transitions. [2021-11-13 22:51:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2021-11-13 22:51:59,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:51:59,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:59,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:59,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:01,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 124 states and 238 transitions. [2021-11-13 22:52:01,784 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 238 transitions. [2021-11-13 22:52:01,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:52:01,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:01,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:01,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:02,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:02,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 126 states and 240 transitions. [2021-11-13 22:52:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 240 transitions. [2021-11-13 22:52:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:52:02,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:02,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:04,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:04,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 134 states and 258 transitions. [2021-11-13 22:52:04,552 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 258 transitions. [2021-11-13 22:52:04,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:52:04,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:04,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:04,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 136 states and 260 transitions. [2021-11-13 22:52:04,893 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 260 transitions. [2021-11-13 22:52:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:52:04,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:04,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 144 states and 279 transitions. [2021-11-13 22:52:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 279 transitions. [2021-11-13 22:52:07,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:52:07,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:07,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:08,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 281 transitions. [2021-11-13 22:52:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 281 transitions. [2021-11-13 22:52:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:52:08,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:08,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:08,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:10,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 152 states and 295 transitions. [2021-11-13 22:52:10,628 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 295 transitions. [2021-11-13 22:52:10,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:52:10,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:10,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:13,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 161 states and 316 transitions. [2021-11-13 22:52:13,736 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 316 transitions. [2021-11-13 22:52:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:52:13,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:13,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 171 states and 340 transitions. [2021-11-13 22:52:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 340 transitions. [2021-11-13 22:52:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:52:17,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:17,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:21,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 181 states and 373 transitions. [2021-11-13 22:52:21,917 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 373 transitions. [2021-11-13 22:52:21,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:52:21,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:21,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:23,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 184 states and 382 transitions. [2021-11-13 22:52:23,334 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 382 transitions. [2021-11-13 22:52:23,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:52:23,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:23,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:26,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:26,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 191 states and 398 transitions. [2021-11-13 22:52:26,605 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 398 transitions. [2021-11-13 22:52:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:52:26,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:26,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 199 states and 417 transitions. [2021-11-13 22:52:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 417 transitions. [2021-11-13 22:52:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:52:30,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:30,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:35,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 209 states and 452 transitions. [2021-11-13 22:52:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 452 transitions. [2021-11-13 22:52:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:52:35,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:35,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:38,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 216 states and 469 transitions. [2021-11-13 22:52:38,678 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 469 transitions. [2021-11-13 22:52:38,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:52:38,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:38,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 226 states and 489 transitions. [2021-11-13 22:52:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 489 transitions. [2021-11-13 22:52:43,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:52:43,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:43,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:50,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:50,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 236 states and 529 transitions. [2021-11-13 22:52:50,432 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 529 transitions. [2021-11-13 22:52:50,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:52:50,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:50,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:50,538 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:52:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:52:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 244 states and 546 transitions. [2021-11-13 22:52:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 546 transitions. [2021-11-13 22:52:55,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:52:55,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:52:55,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:52:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:52:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:02,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:02,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 253 states and 567 transitions. [2021-11-13 22:53:02,279 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 567 transitions. [2021-11-13 22:53:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:53:02,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:02,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 261 states and 582 transitions. [2021-11-13 22:53:06,690 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 582 transitions. [2021-11-13 22:53:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:53:06,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:06,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:14,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:14,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 271 states and 614 transitions. [2021-11-13 22:53:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 614 transitions. [2021-11-13 22:53:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:53:14,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:14,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:19,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:19,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 278 states and 627 transitions. [2021-11-13 22:53:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 627 transitions. [2021-11-13 22:53:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 22:53:19,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:19,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:20,530 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:27,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:27,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 288 states and 647 transitions. [2021-11-13 22:53:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 647 transitions. [2021-11-13 22:53:27,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:53:27,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:27,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:31,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 294 states and 655 transitions. [2021-11-13 22:53:31,112 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 655 transitions. [2021-11-13 22:53:31,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:53:31,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:31,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:35,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:35,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 301 states and 664 transitions. [2021-11-13 22:53:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 664 transitions. [2021-11-13 22:53:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 22:53:35,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:35,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:53:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 309 states and 687 transitions. [2021-11-13 22:53:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 687 transitions. [2021-11-13 22:53:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:53:41,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:41,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:50,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 318 states and 718 transitions. [2021-11-13 22:53:50,032 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 718 transitions. [2021-11-13 22:53:50,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 22:53:50,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:50,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:53:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:53:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 328 states and 763 transitions. [2021-11-13 22:53:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 763 transitions. [2021-11-13 22:53:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:53:57,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:53:57,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:53:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:53:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:02,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:02,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 332 states and 767 transitions. [2021-11-13 22:54:02,048 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 767 transitions. [2021-11-13 22:54:02,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:54:02,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:02,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:02,376 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 338 states and 782 transitions. [2021-11-13 22:54:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 782 transitions. [2021-11-13 22:54:06,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 22:54:06,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:06,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:07,591 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:15,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 348 states and 829 transitions. [2021-11-13 22:54:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 829 transitions. [2021-11-13 22:54:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:54:15,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:15,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:18,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:18,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 351 states and 843 transitions. [2021-11-13 22:54:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 843 transitions. [2021-11-13 22:54:18,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 22:54:18,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:18,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:24,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 359 states and 864 transitions. [2021-11-13 22:54:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 864 transitions. [2021-11-13 22:54:24,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 22:54:24,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:24,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:24,882 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 22:54:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:32,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 367 states and 888 transitions. [2021-11-13 22:54:32,600 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 888 transitions. [2021-11-13 22:54:32,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 22:54:32,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:32,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:54:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:54:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 377 states and 943 transitions. [2021-11-13 22:54:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 943 transitions. [2021-11-13 22:54:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 22:54:46,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:54:46,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:54:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:54:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:01,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 387 states and 968 transitions. [2021-11-13 22:55:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 968 transitions. [2021-11-13 22:55:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:55:01,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:01,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:11,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 397 states and 992 transitions. [2021-11-13 22:55:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 992 transitions. [2021-11-13 22:55:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 22:55:11,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:11,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:27,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 407 states and 1032 transitions. [2021-11-13 22:55:27,781 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1032 transitions. [2021-11-13 22:55:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 22:55:27,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:27,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:28,147 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 416 states and 1052 transitions. [2021-11-13 22:55:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 1052 transitions. [2021-11-13 22:55:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 22:55:37,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:37,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:40,440 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:55:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:55:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 426 states and 1074 transitions. [2021-11-13 22:55:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1074 transitions. [2021-11-13 22:55:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 22:55:51,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:55:51,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:55:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:55:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:00,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 434 states and 1090 transitions. [2021-11-13 22:56:00,183 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1090 transitions. [2021-11-13 22:56:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:56:00,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:00,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:08,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 442 states and 1106 transitions. [2021-11-13 22:56:08,859 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1106 transitions. [2021-11-13 22:56:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:56:08,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:08,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:08,881 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 22:56:17,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 450 states and 1132 transitions. [2021-11-13 22:56:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1132 transitions. [2021-11-13 22:56:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 22:56:17,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:17,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:24,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:24,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 456 states and 1141 transitions. [2021-11-13 22:56:24,423 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1141 transitions. [2021-11-13 22:56:24,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 22:56:24,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:24,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:25,353 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:36,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:36,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 466 states and 1196 transitions. [2021-11-13 22:56:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1196 transitions. [2021-11-13 22:56:36,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 22:56:36,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:36,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:44,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 474 states and 1207 transitions. [2021-11-13 22:56:44,984 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1207 transitions. [2021-11-13 22:56:44,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 22:56:44,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:44,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 480 states and 1224 transitions. [2021-11-13 22:56:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1224 transitions. [2021-11-13 22:56:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:56:52,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:52,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:10,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 489 states and 1265 transitions. [2021-11-13 22:57:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1265 transitions. [2021-11-13 22:57:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:57:10,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:10,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 499 states and 1326 transitions. [2021-11-13 22:57:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1326 transitions. [2021-11-13 22:57:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 22:57:22,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:22,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 511 states and 1339 transitions. [2021-11-13 22:57:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1339 transitions. [2021-11-13 22:57:38,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 22:57:38,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:38,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 519 states and 1363 transitions. [2021-11-13 22:57:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1363 transitions. [2021-11-13 22:57:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 22:57:48,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:48,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:12,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 529 states and 1433 transitions. [2021-11-13 22:58:12,651 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1433 transitions. [2021-11-13 22:58:12,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:58:12,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:12,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:17,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 532 states and 1452 transitions. [2021-11-13 22:58:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1452 transitions. [2021-11-13 22:58:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 22:58:17,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:17,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:41,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:41,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 542 states and 1480 transitions. [2021-11-13 22:58:41,528 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1480 transitions. [2021-11-13 22:58:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 22:58:41,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:41,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-13 22:58:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 550 states and 1508 transitions. [2021-11-13 22:58:53,343 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1508 transitions. [2021-11-13 22:58:53,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 22:58:53,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:53,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:19,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 560 states and 1556 transitions. [2021-11-13 22:59:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1556 transitions. [2021-11-13 22:59:19,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 22:59:19,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:19,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:26,387 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:43,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:43,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 570 states and 1580 transitions. [2021-11-13 22:59:43,668 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1580 transitions. [2021-11-13 22:59:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 22:59:43,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:43,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:43,698 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:57,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:57,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 580 states and 1607 transitions. [2021-11-13 22:59:57,869 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1607 transitions. [2021-11-13 22:59:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 22:59:57,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:57,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:58,974 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 72 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 589 states and 1629 transitions. [2021-11-13 23:00:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1629 transitions. [2021-11-13 23:00:11,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:00:11,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:11,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-13 23:00:23,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:23,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 597 states and 1658 transitions. [2021-11-13 23:00:23,161 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1658 transitions. [2021-11-13 23:00:23,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 23:00:23,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:23,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:35,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 605 states and 1676 transitions. [2021-11-13 23:00:35,188 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1676 transitions. [2021-11-13 23:00:35,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 23:00:35,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:35,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:51,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 615 states and 1743 transitions. [2021-11-13 23:00:51,952 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1743 transitions. [2021-11-13 23:00:51,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:00:51,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:51,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:53,070 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 72 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:01:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:05,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 623 states and 1761 transitions. [2021-11-13 23:01:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1761 transitions. [2021-11-13 23:01:05,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:01:05,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:05,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 100 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:01:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 629 states and 1780 transitions. [2021-11-13 23:01:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1780 transitions. [2021-11-13 23:01:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 23:01:16,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:16,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:16,363 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:01:25,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:25,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 635 states and 1790 transitions. [2021-11-13 23:01:25,659 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1790 transitions. [2021-11-13 23:01:25,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 23:01:25,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:25,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:01:42,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:42,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 645 states and 1863 transitions. [2021-11-13 23:01:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1863 transitions. [2021-11-13 23:01:42,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 23:01:42,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:42,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:43,590 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:01:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 653 states and 1875 transitions. [2021-11-13 23:01:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1875 transitions. [2021-11-13 23:01:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 23:01:55,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:55,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 100 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:02:10,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:10,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 661 states and 1901 transitions. [2021-11-13 23:02:10,278 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1901 transitions. [2021-11-13 23:02:10,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 23:02:10,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:10,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:02:41,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:41,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 670 states and 1953 transitions. [2021-11-13 23:02:41,272 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1953 transitions. [2021-11-13 23:02:41,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 23:02:41,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:41,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:51,756 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.