./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa00a102435cd9be2574d2e777aad2e91126f080f8422a74b94328a4b8d020d8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:34:48,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:34:48,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:34:48,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:34:48,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:34:48,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:34:48,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:34:48,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:34:48,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:34:48,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:34:48,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:34:48,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:34:48,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:34:48,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:34:48,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:34:48,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:34:48,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:34:48,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:34:48,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:34:48,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:34:48,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:34:48,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:34:48,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:34:48,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:34:48,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:34:48,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:34:48,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:34:48,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:34:48,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:34:48,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:34:48,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:34:48,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:34:48,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:34:48,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:34:48,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:34:48,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:34:48,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:34:48,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:34:48,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:34:48,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:34:48,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:34:48,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:34:48,975 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:34:48,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:34:48,976 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:34:48,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:34:48,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:34:48,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:34:48,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:34:48,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:34:48,987 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:34:48,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:34:48,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:34:48,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:34:48,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:34:48,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:34:48,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:34:48,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:34:48,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:34:48,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:34:48,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:34:48,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:34:48,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:34:48,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:34:48,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:34:48,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:34:48,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:34:48,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:34:48,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:34:48,993 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:34:48,993 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:34:48,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:34:48,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:34:48,994 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_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa00a102435cd9be2574d2e777aad2e91126f080f8422a74b94328a4b8d020d8 [2021-11-20 07:34:49,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:34:49,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:34:49,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:34:49,377 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:34:49,378 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:34:49,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-20 07:34:49,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/data/46f74bcb7/6ed4eb840aef431ba753f510de1cfd5e/FLAGee4679d5d [2021-11-20 07:34:50,296 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:34:50,297 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-20 07:34:50,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/data/46f74bcb7/6ed4eb840aef431ba753f510de1cfd5e/FLAGee4679d5d [2021-11-20 07:34:50,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/data/46f74bcb7/6ed4eb840aef431ba753f510de1cfd5e [2021-11-20 07:34:50,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:34:50,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:34:50,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:34:50,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:34:50,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:34:50,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:34:50" (1/1) ... [2021-11-20 07:34:50,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1765ea2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:50, skipping insertion in model container [2021-11-20 07:34:50,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:34:50" (1/1) ... [2021-11-20 07:34:50,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:34:50,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:34:52,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2021-11-20 07:34:52,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:34:52,133 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:34:52,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2021-11-20 07:34:52,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:34:52,523 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:34:52,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52 WrapperNode [2021-11-20 07:34:52,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:34:52,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:34:52,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:34:52,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:34:52,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52" (1/1) ... [2021-11-20 07:34:52,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52" (1/1) ... [2021-11-20 07:34:52,767 INFO L137 Inliner]: procedures = 150, calls = 816, calls flagged for inlining = 62, calls inlined = 44, statements flattened = 1705 [2021-11-20 07:34:52,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:34:52,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:34:52,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:34:52,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:34:52,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52" (1/1) ... [2021-11-20 07:34:52,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52" (1/1) ... [2021-11-20 07:34:52,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52" (1/1) ... [2021-11-20 07:34:52,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52" (1/1) ... [2021-11-20 07:34:52,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52" (1/1) ... [2021-11-20 07:34:52,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52" (1/1) ... [2021-11-20 07:34:52,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52" (1/1) ... [2021-11-20 07:34:52,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:34:52,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:34:52,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:34:52,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:34:52,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52" (1/1) ... [2021-11-20 07:34:52,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:34:52,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:34:53,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:34:53,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:34:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-20 07:34:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-20 07:34:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:34:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2021-11-20 07:34:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2021-11-20 07:34:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:34:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:34:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 07:34:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 07:34:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:34:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 07:34:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 07:34:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_ipmi_data [2021-11-20 07:34:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_ipmi_data [2021-11-20 07:34:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-20 07:34:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-20 07:34:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:34:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:34:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 07:34:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 07:34:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 07:34:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 07:34:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:34:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:34:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:34:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 07:34:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 07:34:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 07:34:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 07:34:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure aem_delete [2021-11-20 07:34:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_delete [2021-11-20 07:34:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:34:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 07:34:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 07:34:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2021-11-20 07:34:53,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2021-11-20 07:34:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:34:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_get [2021-11-20 07:34:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_get [2021-11-20 07:34:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2021-11-20 07:34:53,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2021-11-20 07:34:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 07:34:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 07:34:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:34:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:34:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:34:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:34:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2021-11-20 07:34:53,077 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2021-11-20 07:34:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 07:34:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 07:34:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-11-20 07:34:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-11-20 07:34:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_6 [2021-11-20 07:34:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_6 [2021-11-20 07:34:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure aem_send_message [2021-11-20 07:34:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_send_message [2021-11-20 07:34:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-11-20 07:34:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-11-20 07:34:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_sensors [2021-11-20 07:34:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_sensors [2021-11-20 07:34:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-20 07:34:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-20 07:34:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:34:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:34:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_put [2021-11-20 07:34:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_put [2021-11-20 07:34:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2021-11-20 07:34:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2021-11-20 07:34:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-20 07:34:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-20 07:34:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 07:34:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 07:34:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 07:34:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 07:34:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:34:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-11-20 07:34:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-11-20 07:34:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 07:34:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-20 07:34:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-20 07:34:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:34:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:34:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure aem_remove_sensors [2021-11-20 07:34:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_remove_sensors [2021-11-20 07:34:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2021-11-20 07:34:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2021-11-20 07:34:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 07:34:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 07:34:53,570 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:34:53,572 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:34:53,740 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:34:55,754 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:34:55,767 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:34:55,768 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:34:55,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:34:55 BoogieIcfgContainer [2021-11-20 07:34:55,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:34:55,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:34:55,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:34:55,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:34:55,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:34:50" (1/3) ... [2021-11-20 07:34:55,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc57066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:34:55, skipping insertion in model container [2021-11-20 07:34:55,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:34:52" (2/3) ... [2021-11-20 07:34:55,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc57066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:34:55, skipping insertion in model container [2021-11-20 07:34:55,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:34:55" (3/3) ... [2021-11-20 07:34:55,781 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-20 07:34:55,787 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:34:55,787 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:34:55,848 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:34:55,855 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:34:55,855 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:34:55,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 472 states, 333 states have (on average 1.2762762762762763) internal successors, (425), 342 states have internal predecessors, (425), 102 states have call successors, (102), 36 states have call predecessors, (102), 35 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2021-11-20 07:34:55,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-20 07:34:55,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:34:55,919 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:34:55,919 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:34:55,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:55,926 INFO L85 PathProgramCache]: Analyzing trace with hash -971476011, now seen corresponding path program 1 times [2021-11-20 07:34:55,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:55,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351577283] [2021-11-20 07:34:55,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:55,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:34:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:34:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:34:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:34:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:34:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:34:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:34:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:34:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:34:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:34:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:34:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:34:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:34:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:56,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:34:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:34:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:34:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:34:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:34:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:34:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:34:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-20 07:34:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:34:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 07:34:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 07:34:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-20 07:34:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-20 07:34:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:34:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 07:34:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-20 07:34:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-20 07:34:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-20 07:34:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-20 07:34:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-20 07:34:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:34:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-20 07:34:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2021-11-20 07:34:57,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:34:57,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351577283] [2021-11-20 07:34:57,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351577283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:34:57,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:34:57,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:34:57,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804429287] [2021-11-20 07:34:57,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:34:57,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:34:57,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:34:57,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:34:57,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:34:57,505 INFO L87 Difference]: Start difference. First operand has 472 states, 333 states have (on average 1.2762762762762763) internal successors, (425), 342 states have internal predecessors, (425), 102 states have call successors, (102), 36 states have call predecessors, (102), 35 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 2 states have internal predecessors, (117), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 07:35:01,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:01,254 INFO L93 Difference]: Finished difference Result 979 states and 1330 transitions. [2021-11-20 07:35:01,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:35:01,258 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 2 states have internal predecessors, (117), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 296 [2021-11-20 07:35:01,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:01,279 INFO L225 Difference]: With dead ends: 979 [2021-11-20 07:35:01,279 INFO L226 Difference]: Without dead ends: 491 [2021-11-20 07:35:01,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:35:01,292 INFO L933 BasicCegarLoop]: 578 mSDtfsCounter, 320 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:01,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [350 Valid, 1297 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-20 07:35:01,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-11-20 07:35:01,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 452. [2021-11-20 07:35:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 322 states have (on average 1.2515527950310559) internal successors, (403), 324 states have internal predecessors, (403), 94 states have call successors, (94), 35 states have call predecessors, (94), 35 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2021-11-20 07:35:01,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 591 transitions. [2021-11-20 07:35:01,417 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 591 transitions. Word has length 296 [2021-11-20 07:35:01,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:01,421 INFO L470 AbstractCegarLoop]: Abstraction has 452 states and 591 transitions. [2021-11-20 07:35:01,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 2 states have internal predecessors, (117), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 07:35:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 591 transitions. [2021-11-20 07:35:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-20 07:35:01,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:01,443 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:01,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:35:01,444 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:01,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:01,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1305903964, now seen corresponding path program 1 times [2021-11-20 07:35:01,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:01,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308202832] [2021-11-20 07:35:01,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:01,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:35:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:35:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:35:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:35:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:35:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:35:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:35:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:35:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:35:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:35:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:35:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:01,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-20 07:35:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:35:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 07:35:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-20 07:35:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-20 07:35:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-20 07:35:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:35:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 07:35:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-20 07:35:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-20 07:35:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-20 07:35:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-20 07:35:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-20 07:35:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-20 07:35:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:02,197 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2021-11-20 07:35:02,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:02,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308202832] [2021-11-20 07:35:02,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308202832] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:02,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:02,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:35:02,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786765709] [2021-11-20 07:35:02,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:02,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:35:02,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:02,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:35:02,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:35:02,215 INFO L87 Difference]: Start difference. First operand 452 states and 591 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 07:35:06,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:06,250 INFO L93 Difference]: Finished difference Result 983 states and 1287 transitions. [2021-11-20 07:35:06,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:35:06,251 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 294 [2021-11-20 07:35:06,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:06,261 INFO L225 Difference]: With dead ends: 983 [2021-11-20 07:35:06,261 INFO L226 Difference]: Without dead ends: 568 [2021-11-20 07:35:06,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:35:06,267 INFO L933 BasicCegarLoop]: 563 mSDtfsCounter, 585 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 1603 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:06,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [625 Valid, 1603 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-20 07:35:06,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2021-11-20 07:35:06,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 524. [2021-11-20 07:35:06,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 379 states have (on average 1.2612137203166227) internal successors, (478), 381 states have internal predecessors, (478), 102 states have call successors, (102), 42 states have call predecessors, (102), 42 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2021-11-20 07:35:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 682 transitions. [2021-11-20 07:35:06,372 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 682 transitions. Word has length 294 [2021-11-20 07:35:06,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:06,375 INFO L470 AbstractCegarLoop]: Abstraction has 524 states and 682 transitions. [2021-11-20 07:35:06,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 07:35:06,376 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 682 transitions. [2021-11-20 07:35:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-20 07:35:06,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:06,397 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:06,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:35:06,397 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:06,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:06,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1377923056, now seen corresponding path program 1 times [2021-11-20 07:35:06,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:06,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924701623] [2021-11-20 07:35:06,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:06,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:35:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:35:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:35:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:35:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:35:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:35:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:35:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:35:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:35:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:35:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:35:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:35:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:35:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:35:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 07:35:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 07:35:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-20 07:35:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:35:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-20 07:35:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-20 07:35:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-20 07:35:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-20 07:35:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:07,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-20 07:35:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-20 07:35:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:07,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-20 07:35:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:07,063 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2021-11-20 07:35:07,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:07,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924701623] [2021-11-20 07:35:07,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924701623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:07,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:07,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:35:07,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087027594] [2021-11-20 07:35:07,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:07,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:35:07,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:07,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:35:07,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:35:07,067 INFO L87 Difference]: Start difference. First operand 524 states and 682 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 07:35:10,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:10,788 INFO L93 Difference]: Finished difference Result 1054 states and 1378 transitions. [2021-11-20 07:35:10,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:35:10,789 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 307 [2021-11-20 07:35:10,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:10,795 INFO L225 Difference]: With dead ends: 1054 [2021-11-20 07:35:10,795 INFO L226 Difference]: Without dead ends: 570 [2021-11-20 07:35:10,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:35:10,799 INFO L933 BasicCegarLoop]: 540 mSDtfsCounter, 434 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:10,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 1619 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-20 07:35:10,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2021-11-20 07:35:10,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 525. [2021-11-20 07:35:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 380 states have (on average 1.2605263157894737) internal successors, (479), 382 states have internal predecessors, (479), 102 states have call successors, (102), 42 states have call predecessors, (102), 42 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2021-11-20 07:35:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 683 transitions. [2021-11-20 07:35:10,838 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 683 transitions. Word has length 307 [2021-11-20 07:35:10,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:10,840 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 683 transitions. [2021-11-20 07:35:10,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-20 07:35:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 683 transitions. [2021-11-20 07:35:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-20 07:35:10,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:10,847 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:10,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:35:10,848 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:10,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:10,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1205524191, now seen corresponding path program 1 times [2021-11-20 07:35:10,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:10,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807579438] [2021-11-20 07:35:10,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:10,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:35:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:35:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:35:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:35:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:35:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:35:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:35:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:35:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:35:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:35:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:35:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:35:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:35:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:35:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 07:35:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 07:35:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 07:35:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:35:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-20 07:35:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-20 07:35:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-20 07:35:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 07:35:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-20 07:35:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-20 07:35:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-20 07:35:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-11-20 07:35:11,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:11,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807579438] [2021-11-20 07:35:11,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807579438] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:11,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:11,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:35:11,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863539184] [2021-11-20 07:35:11,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:11,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:35:11,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:11,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:35:11,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:35:11,621 INFO L87 Difference]: Start difference. First operand 525 states and 683 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 5 states have internal predecessors, (127), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-20 07:35:17,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:17,862 INFO L93 Difference]: Finished difference Result 1619 states and 2144 transitions. [2021-11-20 07:35:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 07:35:17,862 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 5 states have internal predecessors, (127), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 308 [2021-11-20 07:35:17,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:17,877 INFO L225 Difference]: With dead ends: 1619 [2021-11-20 07:35:17,877 INFO L226 Difference]: Without dead ends: 1617 [2021-11-20 07:35:17,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2021-11-20 07:35:17,880 INFO L933 BasicCegarLoop]: 692 mSDtfsCounter, 1996 mSDsluCounter, 1695 mSDsCounter, 0 mSdLazyCounter, 2131 mSolverCounterSat, 1024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2115 SdHoareTripleChecker+Valid, 2387 SdHoareTripleChecker+Invalid, 3155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1024 IncrementalHoareTripleChecker+Valid, 2131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:17,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2115 Valid, 2387 Invalid, 3155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1024 Valid, 2131 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-11-20 07:35:17,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2021-11-20 07:35:18,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1493. [2021-11-20 07:35:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1091 states have (on average 1.2685609532538955) internal successors, (1384), 1097 states have internal predecessors, (1384), 280 states have call successors, (280), 121 states have call predecessors, (280), 121 states have return successors, (294), 280 states have call predecessors, (294), 280 states have call successors, (294) [2021-11-20 07:35:18,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1958 transitions. [2021-11-20 07:35:18,026 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1958 transitions. Word has length 308 [2021-11-20 07:35:18,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:18,027 INFO L470 AbstractCegarLoop]: Abstraction has 1493 states and 1958 transitions. [2021-11-20 07:35:18,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 5 states have internal predecessors, (127), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-20 07:35:18,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1958 transitions. [2021-11-20 07:35:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-20 07:35:18,035 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:18,035 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:18,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:35:18,036 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:18,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:18,037 INFO L85 PathProgramCache]: Analyzing trace with hash -666051633, now seen corresponding path program 1 times [2021-11-20 07:35:18,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:18,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188641685] [2021-11-20 07:35:18,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:18,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:35:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:35:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:35:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:35:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:35:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:35:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:35:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:35:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:35:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:35:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:35:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:35:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:35:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:35:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 07:35:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 07:35:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 07:35:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:35:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-20 07:35:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-20 07:35:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-20 07:35:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 07:35:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-20 07:35:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-20 07:35:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-20 07:35:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-20 07:35:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2021-11-20 07:35:18,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:18,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188641685] [2021-11-20 07:35:18,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188641685] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:35:18,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928110380] [2021-11-20 07:35:18,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:18,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:35:18,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:35:18,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:35:18,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:35:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:19,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 2715 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:35:19,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:35:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2021-11-20 07:35:20,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:35:20,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928110380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:20,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:35:20,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 11 [2021-11-20 07:35:20,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520794619] [2021-11-20 07:35:20,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:20,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:35:20,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:20,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:35:20,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:35:20,016 INFO L87 Difference]: Start difference. First operand 1493 states and 1958 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-20 07:35:20,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:20,902 INFO L93 Difference]: Finished difference Result 3281 states and 4384 transitions. [2021-11-20 07:35:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:35:20,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 327 [2021-11-20 07:35:20,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:20,917 INFO L225 Difference]: With dead ends: 3281 [2021-11-20 07:35:20,918 INFO L226 Difference]: Without dead ends: 1832 [2021-11-20 07:35:20,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:35:20,926 INFO L933 BasicCegarLoop]: 695 mSDtfsCounter, 95 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 2674 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:20,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 2674 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-20 07:35:20,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2021-11-20 07:35:21,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1505. [2021-11-20 07:35:21,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1100 states have (on average 1.2663636363636364) internal successors, (1393), 1106 states have internal predecessors, (1393), 280 states have call successors, (280), 121 states have call predecessors, (280), 124 states have return successors, (303), 283 states have call predecessors, (303), 280 states have call successors, (303) [2021-11-20 07:35:21,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1976 transitions. [2021-11-20 07:35:21,038 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1976 transitions. Word has length 327 [2021-11-20 07:35:21,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:21,042 INFO L470 AbstractCegarLoop]: Abstraction has 1505 states and 1976 transitions. [2021-11-20 07:35:21,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-20 07:35:21,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1976 transitions. [2021-11-20 07:35:21,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-20 07:35:21,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:21,052 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:21,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:35:21,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:35:21,277 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:21,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:21,278 INFO L85 PathProgramCache]: Analyzing trace with hash 215688891, now seen corresponding path program 1 times [2021-11-20 07:35:21,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:21,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454586337] [2021-11-20 07:35:21,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:21,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:35:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:35:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:35:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:35:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:35:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:35:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:35:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:35:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:35:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:35:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:35:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:35:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:35:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:35:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 07:35:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 07:35:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 07:35:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:35:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-20 07:35:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-20 07:35:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-20 07:35:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 07:35:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-20 07:35:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-20 07:35:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-20 07:35:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-20 07:35:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:21,861 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2021-11-20 07:35:21,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:21,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454586337] [2021-11-20 07:35:21,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454586337] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:21,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:21,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 07:35:21,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71074238] [2021-11-20 07:35:21,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:21,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:35:21,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:21,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:35:21,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:35:21,865 INFO L87 Difference]: Start difference. First operand 1505 states and 1976 transitions. Second operand has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (34), 8 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-20 07:35:31,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:31,744 INFO L93 Difference]: Finished difference Result 3767 states and 5170 transitions. [2021-11-20 07:35:31,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:35:31,745 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (34), 8 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 326 [2021-11-20 07:35:31,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:31,764 INFO L225 Difference]: With dead ends: 3767 [2021-11-20 07:35:31,764 INFO L226 Difference]: Without dead ends: 2306 [2021-11-20 07:35:31,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:35:31,774 INFO L933 BasicCegarLoop]: 777 mSDtfsCounter, 564 mSDsluCounter, 3310 mSDsCounter, 0 mSdLazyCounter, 2112 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 4087 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 2112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:31,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [614 Valid, 4087 Invalid, 2440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 2112 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2021-11-20 07:35:31,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2021-11-20 07:35:31,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 1571. [2021-11-20 07:35:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1149 states have (on average 1.2637075718015667) internal successors, (1452), 1159 states have internal predecessors, (1452), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 296 states have call predecessors, (333), 290 states have call successors, (333) [2021-11-20 07:35:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2075 transitions. [2021-11-20 07:35:31,907 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2075 transitions. Word has length 326 [2021-11-20 07:35:31,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:31,908 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2075 transitions. [2021-11-20 07:35:31,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (34), 8 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-20 07:35:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2075 transitions. [2021-11-20 07:35:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-20 07:35:31,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:31,914 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:31,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:35:31,915 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:31,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:31,915 INFO L85 PathProgramCache]: Analyzing trace with hash -968946165, now seen corresponding path program 1 times [2021-11-20 07:35:31,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:31,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936133360] [2021-11-20 07:35:31,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:31,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:35:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:35:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:35:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:35:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:35:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:35:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:35:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:35:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:35:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:35:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:35:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:35:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:35:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:35:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 07:35:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 07:35:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 07:35:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:35:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:35:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:35:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:35:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:35:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-20 07:35:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-20 07:35:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-20 07:35:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-20 07:35:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-20 07:35:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-20 07:35:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-20 07:35:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-20 07:35:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:32,577 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-11-20 07:35:32,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:32,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936133360] [2021-11-20 07:35:32,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936133360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:32,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:32,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 07:35:32,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570351715] [2021-11-20 07:35:32,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:32,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:35:32,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:32,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:35:32,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:35:32,583 INFO L87 Difference]: Start difference. First operand 1571 states and 2075 transitions. Second operand has 11 states, 11 states have (on average 13.909090909090908) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-20 07:35:39,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:39,501 INFO L93 Difference]: Finished difference Result 3863 states and 5308 transitions. [2021-11-20 07:35:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:35:39,502 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.909090909090908) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 351 [2021-11-20 07:35:39,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:39,523 INFO L225 Difference]: With dead ends: 3863 [2021-11-20 07:35:39,523 INFO L226 Difference]: Without dead ends: 2336 [2021-11-20 07:35:39,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:35:39,531 INFO L933 BasicCegarLoop]: 814 mSDtfsCounter, 567 mSDsluCounter, 3174 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 3988 SdHoareTripleChecker+Invalid, 2135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:39,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [617 Valid, 3988 Invalid, 2135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 1814 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2021-11-20 07:35:39,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2021-11-20 07:35:39,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 1577. [2021-11-20 07:35:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1577 states, 1155 states have (on average 1.2623376623376623) internal successors, (1458), 1162 states have internal predecessors, (1458), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2021-11-20 07:35:39,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 2081 transitions. [2021-11-20 07:35:39,656 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 2081 transitions. Word has length 351 [2021-11-20 07:35:39,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:39,657 INFO L470 AbstractCegarLoop]: Abstraction has 1577 states and 2081 transitions. [2021-11-20 07:35:39,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.909090909090908) internal successors, (153), 4 states have internal predecessors, (153), 2 states have call successors, (38), 8 states have call predecessors, (38), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-20 07:35:39,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2081 transitions. [2021-11-20 07:35:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-20 07:35:39,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:39,662 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:39,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:35:39,663 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:39,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:39,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1961672681, now seen corresponding path program 1 times [2021-11-20 07:35:39,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:39,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432539116] [2021-11-20 07:35:39,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:39,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:35:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:39,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:35:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:35:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:35:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:35:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:35:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:35:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:35:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:35:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:35:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:35:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:35:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:35:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:35:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 07:35:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 07:35:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 07:35:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:35:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:35:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:35:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:35:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:35:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-20 07:35:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-20 07:35:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-20 07:35:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-20 07:35:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-20 07:35:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-20 07:35:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-20 07:35:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-20 07:35:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-11-20 07:35:40,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:40,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432539116] [2021-11-20 07:35:40,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432539116] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:35:40,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074108754] [2021-11-20 07:35:40,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:40,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:35:40,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:35:40,453 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:35:40,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:35:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:41,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 2808 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:35:41,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:35:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2021-11-20 07:35:41,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:35:41,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074108754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:41,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:35:41,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 16 [2021-11-20 07:35:41,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717728229] [2021-11-20 07:35:41,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:41,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:41,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:41,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:41,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-11-20 07:35:41,731 INFO L87 Difference]: Start difference. First operand 1577 states and 2081 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-20 07:35:42,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:42,973 INFO L93 Difference]: Finished difference Result 3662 states and 4964 transitions. [2021-11-20 07:35:42,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:42,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 348 [2021-11-20 07:35:42,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:42,991 INFO L225 Difference]: With dead ends: 3662 [2021-11-20 07:35:42,992 INFO L226 Difference]: Without dead ends: 2129 [2021-11-20 07:35:42,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:35:42,999 INFO L933 BasicCegarLoop]: 771 mSDtfsCounter, 325 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:42,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 1975 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 07:35:43,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2021-11-20 07:35:43,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 1583. [2021-11-20 07:35:43,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1161 states have (on average 1.2609819121447028) internal successors, (1464), 1168 states have internal predecessors, (1464), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2021-11-20 07:35:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2087 transitions. [2021-11-20 07:35:43,112 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2087 transitions. Word has length 348 [2021-11-20 07:35:43,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:43,114 INFO L470 AbstractCegarLoop]: Abstraction has 1583 states and 2087 transitions. [2021-11-20 07:35:43,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-20 07:35:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2087 transitions. [2021-11-20 07:35:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-20 07:35:43,119 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:43,120 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:43,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:35:43,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-20 07:35:43,333 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:43,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:43,334 INFO L85 PathProgramCache]: Analyzing trace with hash -119869932, now seen corresponding path program 1 times [2021-11-20 07:35:43,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:43,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281080495] [2021-11-20 07:35:43,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:43,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:35:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:35:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:35:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:35:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:35:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:35:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:35:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:35:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:35:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:35:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:35:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:35:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:35:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:35:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-20 07:35:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-20 07:35:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-20 07:35:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:35:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:35:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:35:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:35:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:35:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-20 07:35:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-20 07:35:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-20 07:35:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-20 07:35:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 07:35:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-20 07:35:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-20 07:35:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-20 07:35:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-11-20 07:35:44,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:44,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281080495] [2021-11-20 07:35:44,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281080495] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:35:44,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774305006] [2021-11-20 07:35:44,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:44,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:35:44,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:35:44,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:35:44,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:35:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:44,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 2833 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:35:44,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:35:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-11-20 07:35:45,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:35:45,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774305006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:45,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:35:45,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 16 [2021-11-20 07:35:45,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589603793] [2021-11-20 07:35:45,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:45,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:45,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:45,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:45,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-11-20 07:35:45,396 INFO L87 Difference]: Start difference. First operand 1583 states and 2087 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-20 07:35:46,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:46,535 INFO L93 Difference]: Finished difference Result 3674 states and 4976 transitions. [2021-11-20 07:35:46,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:35:46,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 353 [2021-11-20 07:35:46,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:46,552 INFO L225 Difference]: With dead ends: 3674 [2021-11-20 07:35:46,552 INFO L226 Difference]: Without dead ends: 2135 [2021-11-20 07:35:46,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:35:46,559 INFO L933 BasicCegarLoop]: 753 mSDtfsCounter, 325 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 1953 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:46,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 1953 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 07:35:46,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2021-11-20 07:35:46,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 1583. [2021-11-20 07:35:46,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1161 states have (on average 1.2609819121447028) internal successors, (1464), 1168 states have internal predecessors, (1464), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2021-11-20 07:35:46,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2087 transitions. [2021-11-20 07:35:46,678 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2087 transitions. Word has length 353 [2021-11-20 07:35:46,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:46,679 INFO L470 AbstractCegarLoop]: Abstraction has 1583 states and 2087 transitions. [2021-11-20 07:35:46,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-20 07:35:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2087 transitions. [2021-11-20 07:35:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-20 07:35:46,685 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:46,686 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:46,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:35:46,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:35:46,901 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:46,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:46,902 INFO L85 PathProgramCache]: Analyzing trace with hash -625035174, now seen corresponding path program 1 times [2021-11-20 07:35:46,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:46,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127223585] [2021-11-20 07:35:46,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:46,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:35:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:35:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:35:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:35:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:35:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:35:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:35:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:35:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:35:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:35:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:35:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:35:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:35:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:35:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-20 07:35:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-20 07:35:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-20 07:35:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:35:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:35:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:35:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-20 07:35:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-20 07:35:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-20 07:35:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-20 07:35:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-20 07:35:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-20 07:35:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-20 07:35:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-20 07:35:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2021-11-20 07:35:47,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:47,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127223585] [2021-11-20 07:35:47,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127223585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:47,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:47,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:35:47,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485937816] [2021-11-20 07:35:47,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:47,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:35:47,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:47,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:35:47,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:35:47,409 INFO L87 Difference]: Start difference. First operand 1583 states and 2087 transitions. Second operand has 10 states, 10 states have (on average 14.4) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-20 07:35:56,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:56,369 INFO L93 Difference]: Finished difference Result 3833 states and 5233 transitions. [2021-11-20 07:35:56,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:35:56,370 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 341 [2021-11-20 07:35:56,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:56,390 INFO L225 Difference]: With dead ends: 3833 [2021-11-20 07:35:56,390 INFO L226 Difference]: Without dead ends: 2294 [2021-11-20 07:35:56,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:35:56,397 INFO L933 BasicCegarLoop]: 773 mSDtfsCounter, 905 mSDsluCounter, 2547 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 591 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:56,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [916 Valid, 3320 Invalid, 2347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [591 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2021-11-20 07:35:56,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2021-11-20 07:35:56,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 1589. [2021-11-20 07:35:56,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1167 states have (on average 1.2596401028277635) internal successors, (1470), 1174 states have internal predecessors, (1470), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2021-11-20 07:35:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2093 transitions. [2021-11-20 07:35:56,514 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2093 transitions. Word has length 341 [2021-11-20 07:35:56,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:56,515 INFO L470 AbstractCegarLoop]: Abstraction has 1589 states and 2093 transitions. [2021-11-20 07:35:56,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-20 07:35:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2093 transitions. [2021-11-20 07:35:56,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-20 07:35:56,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:56,520 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:56,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:35:56,521 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:56,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:56,522 INFO L85 PathProgramCache]: Analyzing trace with hash -447177438, now seen corresponding path program 1 times [2021-11-20 07:35:56,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:56,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88531264] [2021-11-20 07:35:56,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:56,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:35:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:35:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:35:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:35:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:35:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:35:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:35:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:35:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:35:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:35:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:35:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:35:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:35:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:35:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:35:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-20 07:35:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-20 07:35:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-20 07:35:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-20 07:35:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-20 07:35:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:35:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-20 07:35:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-20 07:35:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-20 07:35:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-20 07:35:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-20 07:35:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 07:35:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-20 07:35:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-20 07:35:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2021-11-20 07:35:57,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:57,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88531264] [2021-11-20 07:35:57,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88531264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:57,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:57,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:35:57,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510172268] [2021-11-20 07:35:57,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:57,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:35:57,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:57,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:35:57,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:35:57,058 INFO L87 Difference]: Start difference. First operand 1589 states and 2093 transitions. Second operand has 10 states, 10 states have (on average 14.6) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-20 07:36:03,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:03,362 INFO L93 Difference]: Finished difference Result 3845 states and 5245 transitions. [2021-11-20 07:36:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:36:03,364 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 343 [2021-11-20 07:36:03,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:03,382 INFO L225 Difference]: With dead ends: 3845 [2021-11-20 07:36:03,382 INFO L226 Difference]: Without dead ends: 2300 [2021-11-20 07:36:03,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:36:03,389 INFO L933 BasicCegarLoop]: 774 mSDtfsCounter, 809 mSDsluCounter, 1928 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:03,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [820 Valid, 2702 Invalid, 1746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-11-20 07:36:03,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2021-11-20 07:36:03,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 1589. [2021-11-20 07:36:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1167 states have (on average 1.2596401028277635) internal successors, (1470), 1174 states have internal predecessors, (1470), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2021-11-20 07:36:03,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2093 transitions. [2021-11-20 07:36:03,520 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2093 transitions. Word has length 343 [2021-11-20 07:36:03,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:03,521 INFO L470 AbstractCegarLoop]: Abstraction has 1589 states and 2093 transitions. [2021-11-20 07:36:03,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-20 07:36:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2093 transitions. [2021-11-20 07:36:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-20 07:36:03,526 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:03,526 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:03,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 07:36:03,527 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:03,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:03,527 INFO L85 PathProgramCache]: Analyzing trace with hash -227082982, now seen corresponding path program 1 times [2021-11-20 07:36:03,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:03,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178402214] [2021-11-20 07:36:03,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:03,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:36:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:36:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:36:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:36:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:36:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:36:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:36:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:36:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:36:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:36:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:36:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:36:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:36:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:36:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-20 07:36:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-20 07:36:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-20 07:36:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-20 07:36:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 07:36:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:36:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-20 07:36:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-20 07:36:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:36:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-20 07:36:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-20 07:36:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 07:36:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-20 07:36:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:04,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-20 07:36:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2021-11-20 07:36:04,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:04,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178402214] [2021-11-20 07:36:04,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178402214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:04,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:04,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:36:04,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025384941] [2021-11-20 07:36:04,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:04,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:36:04,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:04,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:36:04,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:36:04,044 INFO L87 Difference]: Start difference. First operand 1589 states and 2093 transitions. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-20 07:36:09,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:09,677 INFO L93 Difference]: Finished difference Result 3281 states and 4352 transitions. [2021-11-20 07:36:09,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:36:09,678 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 348 [2021-11-20 07:36:09,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:09,691 INFO L225 Difference]: With dead ends: 3281 [2021-11-20 07:36:09,691 INFO L226 Difference]: Without dead ends: 1736 [2021-11-20 07:36:09,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:36:09,697 INFO L933 BasicCegarLoop]: 561 mSDtfsCounter, 357 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:09,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 1966 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-11-20 07:36:09,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2021-11-20 07:36:09,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1592. [2021-11-20 07:36:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1170 states have (on average 1.258974358974359) internal successors, (1473), 1177 states have internal predecessors, (1473), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2021-11-20 07:36:09,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2096 transitions. [2021-11-20 07:36:09,807 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2096 transitions. Word has length 348 [2021-11-20 07:36:09,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:09,808 INFO L470 AbstractCegarLoop]: Abstraction has 1592 states and 2096 transitions. [2021-11-20 07:36:09,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-20 07:36:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2096 transitions. [2021-11-20 07:36:09,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-20 07:36:09,813 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:09,814 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:09,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 07:36:09,814 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:09,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:09,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1157196423, now seen corresponding path program 1 times [2021-11-20 07:36:09,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:09,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187939676] [2021-11-20 07:36:09,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:09,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:09,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:36:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:09,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:09,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:36:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:09,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:36:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:36:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:36:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:36:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:36:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:36:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:36:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:36:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:36:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:36:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:36:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:36:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-20 07:36:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-20 07:36:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-20 07:36:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-20 07:36:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 07:36:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:36:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-20 07:36:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-20 07:36:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:36:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-20 07:36:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-20 07:36:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 07:36:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-20 07:36:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-20 07:36:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2021-11-20 07:36:10,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:10,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187939676] [2021-11-20 07:36:10,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187939676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:10,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:10,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:36:10,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252251106] [2021-11-20 07:36:10,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:10,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:36:10,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:10,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:36:10,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:36:10,277 INFO L87 Difference]: Start difference. First operand 1592 states and 2096 transitions. Second operand has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-20 07:36:13,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:13,339 INFO L93 Difference]: Finished difference Result 3290 states and 4361 transitions. [2021-11-20 07:36:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:36:13,340 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 345 [2021-11-20 07:36:13,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:13,356 INFO L225 Difference]: With dead ends: 3290 [2021-11-20 07:36:13,356 INFO L226 Difference]: Without dead ends: 1742 [2021-11-20 07:36:13,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:36:13,364 INFO L933 BasicCegarLoop]: 560 mSDtfsCounter, 726 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 662 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 662 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:13,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 1607 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [662 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-20 07:36:13,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2021-11-20 07:36:13,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1595. [2021-11-20 07:36:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1173 states have (on average 1.258312020460358) internal successors, (1476), 1180 states have internal predecessors, (1476), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2021-11-20 07:36:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2099 transitions. [2021-11-20 07:36:13,512 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2099 transitions. Word has length 345 [2021-11-20 07:36:13,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:13,513 INFO L470 AbstractCegarLoop]: Abstraction has 1595 states and 2099 transitions. [2021-11-20 07:36:13,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (36), 8 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-20 07:36:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2099 transitions. [2021-11-20 07:36:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-20 07:36:13,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:13,520 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:13,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 07:36:13,521 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:13,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:13,521 INFO L85 PathProgramCache]: Analyzing trace with hash -369358881, now seen corresponding path program 1 times [2021-11-20 07:36:13,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:13,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854463079] [2021-11-20 07:36:13,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:13,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:36:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:36:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:36:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:36:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:36:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:36:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:36:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:36:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:36:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:36:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:36:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:36:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:36:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:36:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:36:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 07:36:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-20 07:36:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:36:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:36:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:36:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:36:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:36:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-20 07:36:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:36:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 07:36:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-20 07:36:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-20 07:36:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-20 07:36:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-20 07:36:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-20 07:36:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2021-11-20 07:36:14,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:14,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854463079] [2021-11-20 07:36:14,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854463079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:14,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:14,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:36:14,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724746474] [2021-11-20 07:36:14,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:14,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:36:14,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:14,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:36:14,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:36:14,032 INFO L87 Difference]: Start difference. First operand 1595 states and 2099 transitions. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-20 07:36:18,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:18,633 INFO L93 Difference]: Finished difference Result 3293 states and 4364 transitions. [2021-11-20 07:36:18,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:36:18,634 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 354 [2021-11-20 07:36:18,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:18,648 INFO L225 Difference]: With dead ends: 3293 [2021-11-20 07:36:18,648 INFO L226 Difference]: Without dead ends: 1742 [2021-11-20 07:36:18,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:36:18,655 INFO L933 BasicCegarLoop]: 560 mSDtfsCounter, 497 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:18,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 1792 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-20 07:36:18,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2021-11-20 07:36:18,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1598. [2021-11-20 07:36:18,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 1176 states have (on average 1.2576530612244898) internal successors, (1479), 1183 states have internal predecessors, (1479), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2021-11-20 07:36:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2102 transitions. [2021-11-20 07:36:18,781 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2102 transitions. Word has length 354 [2021-11-20 07:36:18,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:18,781 INFO L470 AbstractCegarLoop]: Abstraction has 1598 states and 2102 transitions. [2021-11-20 07:36:18,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-20 07:36:18,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2102 transitions. [2021-11-20 07:36:18,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-20 07:36:18,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:18,787 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:18,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 07:36:18,787 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:18,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:18,788 INFO L85 PathProgramCache]: Analyzing trace with hash -745898536, now seen corresponding path program 1 times [2021-11-20 07:36:18,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:18,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852489722] [2021-11-20 07:36:18,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:18,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:36:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:36:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:36:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:36:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:36:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:36:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:36:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:36:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:36:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:36:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:36:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:36:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:36:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:36:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-20 07:36:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-20 07:36:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-20 07:36:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-20 07:36:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-20 07:36:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:36:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 07:36:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-20 07:36:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-20 07:36:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-20 07:36:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-20 07:36:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-20 07:36:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-20 07:36:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-20 07:36:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,366 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2021-11-20 07:36:19,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:19,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852489722] [2021-11-20 07:36:19,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852489722] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:36:19,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850188341] [2021-11-20 07:36:19,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:19,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:36:19,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:36:19,369 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:36:19,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:36:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:20,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 2880 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:36:20,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:36:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2021-11-20 07:36:20,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:36:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2021-11-20 07:36:21,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850188341] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:36:21,480 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:36:21,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 11 [2021-11-20 07:36:21,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104845595] [2021-11-20 07:36:21,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:36:21,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:36:21,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:21,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:36:21,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:36:21,484 INFO L87 Difference]: Start difference. First operand 1598 states and 2102 transitions. Second operand has 11 states, 11 states have (on average 18.454545454545453) internal successors, (203), 5 states have internal predecessors, (203), 2 states have call successors, (72), 8 states have call predecessors, (72), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-20 07:36:27,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:27,028 INFO L93 Difference]: Finished difference Result 3302 states and 4373 transitions. [2021-11-20 07:36:27,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:36:27,029 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 18.454545454545453) internal successors, (203), 5 states have internal predecessors, (203), 2 states have call successors, (72), 8 states have call predecessors, (72), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 350 [2021-11-20 07:36:27,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:27,044 INFO L225 Difference]: With dead ends: 3302 [2021-11-20 07:36:27,044 INFO L226 Difference]: Without dead ends: 1748 [2021-11-20 07:36:27,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 808 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:36:27,051 INFO L933 BasicCegarLoop]: 558 mSDtfsCounter, 383 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 1562 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 1562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:27,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 2339 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 1562 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-11-20 07:36:27,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2021-11-20 07:36:27,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1604. [2021-11-20 07:36:27,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1182 states have (on average 1.2563451776649746) internal successors, (1485), 1189 states have internal predecessors, (1485), 290 states have call successors, (290), 121 states have call predecessors, (290), 131 states have return successors, (333), 299 states have call predecessors, (333), 290 states have call successors, (333) [2021-11-20 07:36:27,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2108 transitions. [2021-11-20 07:36:27,205 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2108 transitions. Word has length 350 [2021-11-20 07:36:27,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:27,206 INFO L470 AbstractCegarLoop]: Abstraction has 1604 states and 2108 transitions. [2021-11-20 07:36:27,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.454545454545453) internal successors, (203), 5 states have internal predecessors, (203), 2 states have call successors, (72), 8 states have call predecessors, (72), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-20 07:36:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2108 transitions. [2021-11-20 07:36:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-20 07:36:27,211 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:27,212 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:27,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:36:27,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:36:27,425 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:27,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:27,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1923251230, now seen corresponding path program 1 times [2021-11-20 07:36:27,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:27,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345332797] [2021-11-20 07:36:27,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:27,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:36:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:36:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:36:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:36:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:36:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:36:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:36:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:36:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:36:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:36:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:36:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:36:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:36:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:36:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:36:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 07:36:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-20 07:36:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:36:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:36:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:36:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:36:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:36:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:27,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-20 07:36:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:36:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 07:36:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-20 07:36:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-20 07:36:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-20 07:36:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-20 07:36:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-20 07:36:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-11-20 07:36:28,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:28,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345332797] [2021-11-20 07:36:28,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345332797] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:36:28,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611692768] [2021-11-20 07:36:28,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:28,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:36:28,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:36:28,141 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:36:28,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:36:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:28,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 2819 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 07:36:28,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:36:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-20 07:36:31,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:36:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2021-11-20 07:36:32,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611692768] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:36:32,188 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:36:32,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 7] total 24 [2021-11-20 07:36:32,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604678173] [2021-11-20 07:36:32,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:36:32,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-20 07:36:32,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:32,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-20 07:36:32,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2021-11-20 07:36:32,191 INFO L87 Difference]: Start difference. First operand 1604 states and 2108 transitions. Second operand has 24 states, 24 states have (on average 16.125) internal successors, (387), 18 states have internal predecessors, (387), 12 states have call successors, (105), 16 states have call predecessors, (105), 8 states have return successors, (97), 12 states have call predecessors, (97), 12 states have call successors, (97) [2021-11-20 07:36:43,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:43,086 INFO L93 Difference]: Finished difference Result 2387 states and 3190 transitions. [2021-11-20 07:36:43,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-20 07:36:43,086 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 16.125) internal successors, (387), 18 states have internal predecessors, (387), 12 states have call successors, (105), 16 states have call predecessors, (105), 8 states have return successors, (97), 12 states have call predecessors, (97), 12 states have call successors, (97) Word has length 351 [2021-11-20 07:36:43,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:43,103 INFO L225 Difference]: With dead ends: 2387 [2021-11-20 07:36:43,103 INFO L226 Difference]: Without dead ends: 2385 [2021-11-20 07:36:43,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 806 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=734, Invalid=2458, Unknown=0, NotChecked=0, Total=3192 [2021-11-20 07:36:43,106 INFO L933 BasicCegarLoop]: 512 mSDtfsCounter, 11740 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 5540 mSolverCounterSat, 7218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11888 SdHoareTripleChecker+Valid, 3556 SdHoareTripleChecker+Invalid, 12758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7218 IncrementalHoareTripleChecker+Valid, 5540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:43,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11888 Valid, 3556 Invalid, 12758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7218 Valid, 5540 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2021-11-20 07:36:43,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2385 states. [2021-11-20 07:36:43,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2385 to 2210. [2021-11-20 07:36:43,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2210 states, 1633 states have (on average 1.2590324556031842) internal successors, (2056), 1648 states have internal predecessors, (2056), 399 states have call successors, (399), 160 states have call predecessors, (399), 177 states have return successors, (484), 409 states have call predecessors, (484), 399 states have call successors, (484) [2021-11-20 07:36:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 2939 transitions. [2021-11-20 07:36:43,284 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 2939 transitions. Word has length 351 [2021-11-20 07:36:43,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:43,285 INFO L470 AbstractCegarLoop]: Abstraction has 2210 states and 2939 transitions. [2021-11-20 07:36:43,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 16.125) internal successors, (387), 18 states have internal predecessors, (387), 12 states have call successors, (105), 16 states have call predecessors, (105), 8 states have return successors, (97), 12 states have call predecessors, (97), 12 states have call successors, (97) [2021-11-20 07:36:43,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2939 transitions. [2021-11-20 07:36:43,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-20 07:36:43,291 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:43,291 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:43,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:36:43,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-20 07:36:43,505 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:43,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:43,506 INFO L85 PathProgramCache]: Analyzing trace with hash 937109599, now seen corresponding path program 1 times [2021-11-20 07:36:43,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:43,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806342723] [2021-11-20 07:36:43,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:43,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:36:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:36:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:36:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:36:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:36:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:36:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:36:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:36:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:36:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:36:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:36:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:36:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:36:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:36:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:36:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 07:36:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-20 07:36:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:36:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:36:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:36:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:36:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:36:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-20 07:36:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:36:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 07:36:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-20 07:36:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-20 07:36:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-20 07:36:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-20 07:36:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-20 07:36:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-20 07:36:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2021-11-20 07:36:44,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:44,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806342723] [2021-11-20 07:36:44,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806342723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:44,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:44,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-20 07:36:44,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708921175] [2021-11-20 07:36:44,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:44,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 07:36:44,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:44,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 07:36:44,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:36:44,210 INFO L87 Difference]: Start difference. First operand 2210 states and 2939 transitions. Second operand has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-20 07:36:51,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:51,022 INFO L93 Difference]: Finished difference Result 5375 states and 7390 transitions. [2021-11-20 07:36:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:36:51,022 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 369 [2021-11-20 07:36:51,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:51,041 INFO L225 Difference]: With dead ends: 5375 [2021-11-20 07:36:51,041 INFO L226 Difference]: Without dead ends: 3209 [2021-11-20 07:36:51,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:36:51,051 INFO L933 BasicCegarLoop]: 738 mSDtfsCounter, 654 mSDsluCounter, 3444 mSDsCounter, 0 mSdLazyCounter, 2047 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 4182 SdHoareTripleChecker+Invalid, 2497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 2047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:51,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [702 Valid, 4182 Invalid, 2497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 2047 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-11-20 07:36:51,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3209 states. [2021-11-20 07:36:51,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3209 to 2230. [2021-11-20 07:36:51,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2230 states, 1649 states have (on average 1.2565191024863553) internal successors, (2072), 1664 states have internal predecessors, (2072), 399 states have call successors, (399), 160 states have call predecessors, (399), 181 states have return successors, (492), 413 states have call predecessors, (492), 399 states have call successors, (492) [2021-11-20 07:36:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 2963 transitions. [2021-11-20 07:36:51,243 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 2963 transitions. Word has length 369 [2021-11-20 07:36:51,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:51,244 INFO L470 AbstractCegarLoop]: Abstraction has 2230 states and 2963 transitions. [2021-11-20 07:36:51,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-20 07:36:51,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2963 transitions. [2021-11-20 07:36:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-11-20 07:36:51,250 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:51,250 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:51,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 07:36:51,251 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:51,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:51,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1250365364, now seen corresponding path program 1 times [2021-11-20 07:36:51,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:51,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803432473] [2021-11-20 07:36:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:51,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:36:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:36:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:36:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:36:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:36:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:36:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:36:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:36:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:36:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:36:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:36:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:36:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:36:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:36:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-20 07:36:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-20 07:36:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-20 07:36:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-20 07:36:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-20 07:36:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:36:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 07:36:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-20 07:36:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-20 07:36:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-20 07:36:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-20 07:36:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-20 07:36:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-20 07:36:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-20 07:36:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-20 07:36:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2021-11-20 07:36:51,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:51,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803432473] [2021-11-20 07:36:51,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803432473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:51,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:51,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 07:36:51,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482796] [2021-11-20 07:36:51,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:51,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:36:51,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:51,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:36:51,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:36:51,845 INFO L87 Difference]: Start difference. First operand 2230 states and 2963 transitions. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (37), 8 states have call predecessors, (37), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-20 07:36:56,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:56,974 INFO L93 Difference]: Finished difference Result 5427 states and 7450 transitions. [2021-11-20 07:36:56,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:36:56,975 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (37), 8 states have call predecessors, (37), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 367 [2021-11-20 07:36:56,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:56,990 INFO L225 Difference]: With dead ends: 5427 [2021-11-20 07:36:56,990 INFO L226 Difference]: Without dead ends: 3241 [2021-11-20 07:36:56,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:36:57,000 INFO L933 BasicCegarLoop]: 801 mSDtfsCounter, 680 mSDsluCounter, 2842 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:57,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [727 Valid, 3643 Invalid, 1952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-11-20 07:36:57,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3241 states. [2021-11-20 07:36:57,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3241 to 2238. [2021-11-20 07:36:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2238 states, 1657 states have (on average 1.255280627640314) internal successors, (2080), 1668 states have internal predecessors, (2080), 399 states have call successors, (399), 160 states have call predecessors, (399), 181 states have return successors, (492), 417 states have call predecessors, (492), 399 states have call successors, (492) [2021-11-20 07:36:57,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 2971 transitions. [2021-11-20 07:36:57,229 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 2971 transitions. Word has length 367 [2021-11-20 07:36:57,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:57,230 INFO L470 AbstractCegarLoop]: Abstraction has 2238 states and 2971 transitions. [2021-11-20 07:36:57,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (37), 8 states have call predecessors, (37), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-20 07:36:57,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2971 transitions. [2021-11-20 07:36:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-11-20 07:36:57,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:57,236 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:57,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 07:36:57,237 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:57,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:57,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1622650162, now seen corresponding path program 1 times [2021-11-20 07:36:57,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:57,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105067461] [2021-11-20 07:36:57,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:57,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:36:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:36:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:36:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:36:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:36:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:36:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:36:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:36:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:36:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:36:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:36:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:36:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:36:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:36:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:36:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-20 07:36:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-20 07:36:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-20 07:36:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-20 07:36:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-20 07:36:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:36:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:36:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:36:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:36:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:36:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-20 07:36:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-20 07:36:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-20 07:36:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-20 07:36:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-20 07:36:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-20 07:36:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-20 07:36:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-20 07:36:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-11-20 07:36:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2021-11-20 07:36:57,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:57,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105067461] [2021-11-20 07:36:57,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105067461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:57,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:57,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 07:36:57,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584558257] [2021-11-20 07:36:57,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:57,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:36:57,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:57,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:36:57,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:36:57,778 INFO L87 Difference]: Start difference. First operand 2238 states and 2971 transitions. Second operand has 11 states, 11 states have (on average 15.0) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-20 07:37:07,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:37:07,070 INFO L93 Difference]: Finished difference Result 5475 states and 7510 transitions. [2021-11-20 07:37:07,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:37:07,070 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.0) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 394 [2021-11-20 07:37:07,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:37:07,084 INFO L225 Difference]: With dead ends: 5475 [2021-11-20 07:37:07,085 INFO L226 Difference]: Without dead ends: 3281 [2021-11-20 07:37:07,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:37:07,094 INFO L933 BasicCegarLoop]: 816 mSDtfsCounter, 659 mSDsluCounter, 3545 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 4361 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:37:07,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [711 Valid, 4361 Invalid, 2485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [406 Valid, 2079 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2021-11-20 07:37:07,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2021-11-20 07:37:07,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 2246. [2021-11-20 07:37:07,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2246 states, 1665 states have (on average 1.2540540540540541) internal successors, (2088), 1672 states have internal predecessors, (2088), 399 states have call successors, (399), 160 states have call predecessors, (399), 181 states have return successors, (492), 421 states have call predecessors, (492), 399 states have call successors, (492) [2021-11-20 07:37:07,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 2246 states and 2979 transitions. [2021-11-20 07:37:07,328 INFO L78 Accepts]: Start accepts. Automaton has 2246 states and 2979 transitions. Word has length 394 [2021-11-20 07:37:07,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:37:07,329 INFO L470 AbstractCegarLoop]: Abstraction has 2246 states and 2979 transitions. [2021-11-20 07:37:07,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.0) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-20 07:37:07,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2979 transitions. [2021-11-20 07:37:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-20 07:37:07,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:37:07,336 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:37:07,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 07:37:07,337 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:37:07,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:07,337 INFO L85 PathProgramCache]: Analyzing trace with hash 786125256, now seen corresponding path program 1 times [2021-11-20 07:37:07,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:07,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942784996] [2021-11-20 07:37:07,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:07,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:37:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:37:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:37:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:37:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:37:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:37:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:37:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:37:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:37:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:37:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:37:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:37:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 07:37:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 07:37:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:37:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:37:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:37:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:37:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:37:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 07:37:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-20 07:37:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:37:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:37:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:37:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:37:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:37:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-20 07:37:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 07:37:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-20 07:37:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-20 07:37:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-20 07:37:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-20 07:37:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:08,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:08,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-20 07:37:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:08,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-20 07:37:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-20 07:37:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 661 trivial. 0 not checked. [2021-11-20 07:37:08,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:37:08,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942784996] [2021-11-20 07:37:08,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942784996] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:37:08,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755585918] [2021-11-20 07:37:08,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:08,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:37:08,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:37:08,057 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:37:08,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 07:37:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:08,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 2983 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 07:37:08,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:37:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2021-11-20 07:37:09,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:37:09,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755585918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:09,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:37:09,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2021-11-20 07:37:09,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612738626] [2021-11-20 07:37:09,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:09,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:37:09,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:37:09,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:37:09,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:37:09,677 INFO L87 Difference]: Start difference. First operand 2246 states and 2979 transitions. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-20 07:37:09,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:37:09,897 INFO L93 Difference]: Finished difference Result 4476 states and 5940 transitions. [2021-11-20 07:37:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:37:09,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 395 [2021-11-20 07:37:09,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:37:09,908 INFO L225 Difference]: With dead ends: 4476 [2021-11-20 07:37:09,908 INFO L226 Difference]: Without dead ends: 2242 [2021-11-20 07:37:09,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-11-20 07:37:09,918 INFO L933 BasicCegarLoop]: 589 mSDtfsCounter, 3 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:37:09,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1761 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:37:09,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2021-11-20 07:37:10,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2198. [2021-11-20 07:37:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2198 states, 1625 states have (on average 1.248) internal successors, (2028), 1632 states have internal predecessors, (2028), 395 states have call successors, (395), 156 states have call predecessors, (395), 177 states have return successors, (488), 417 states have call predecessors, (488), 395 states have call successors, (488) [2021-11-20 07:37:10,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 2911 transitions. [2021-11-20 07:37:10,118 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 2911 transitions. Word has length 395 [2021-11-20 07:37:10,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:37:10,119 INFO L470 AbstractCegarLoop]: Abstraction has 2198 states and 2911 transitions. [2021-11-20 07:37:10,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-20 07:37:10,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2911 transitions. [2021-11-20 07:37:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2021-11-20 07:37:10,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:37:10,126 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:37:10,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-20 07:37:10,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f393eff-59b6-4304-9ff5-f485f1b82613/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:37:10,354 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:37:10,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:10,354 INFO L85 PathProgramCache]: Analyzing trace with hash 458134970, now seen corresponding path program 1 times [2021-11-20 07:37:10,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:10,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195960208] [2021-11-20 07:37:10,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:10,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:37:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:37:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:37:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:37:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:37:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:37:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:37:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:37:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:37:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:37:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:37:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-20 07:37:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 07:37:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:37:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:37:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 07:37:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-20 07:37:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:37:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:37:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:37:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:37:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:37:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:37:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:37:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-20 07:37:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 07:37:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-20 07:37:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-20 07:37:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-20 07:37:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-20 07:37:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-20 07:37:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-20 07:37:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-20 07:37:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2021-11-20 07:37:11,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:37:11,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195960208] [2021-11-20 07:37:11,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195960208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:11,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:11,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-20 07:37:11,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186620327] [2021-11-20 07:37:11,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:11,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 07:37:11,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:37:11,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 07:37:11,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:37:11,092 INFO L87 Difference]: Start difference. First operand 2198 states and 2911 transitions. Second operand has 12 states, 12 states have (on average 13.75) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-20 07:37:16,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:22,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:37:22,558 INFO L93 Difference]: Finished difference Result 5319 states and 7274 transitions. [2021-11-20 07:37:22,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:37:22,558 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.75) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 396 [2021-11-20 07:37:22,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:37:22,574 INFO L225 Difference]: With dead ends: 5319 [2021-11-20 07:37:22,574 INFO L226 Difference]: Without dead ends: 3165 [2021-11-20 07:37:22,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:37:22,584 INFO L933 BasicCegarLoop]: 788 mSDtfsCounter, 560 mSDsluCounter, 3984 mSDsCounter, 0 mSdLazyCounter, 2378 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 4772 SdHoareTripleChecker+Invalid, 2691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 2378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:37:22,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [608 Valid, 4772 Invalid, 2691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 2378 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2021-11-20 07:37:22,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3165 states. [2021-11-20 07:37:22,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3165 to 2206. [2021-11-20 07:37:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2206 states, 1633 states have (on average 1.2467850581751379) internal successors, (2036), 1636 states have internal predecessors, (2036), 395 states have call successors, (395), 156 states have call predecessors, (395), 177 states have return successors, (488), 421 states have call predecessors, (488), 395 states have call successors, (488) [2021-11-20 07:37:22,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2919 transitions. [2021-11-20 07:37:22,804 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2919 transitions. Word has length 396 [2021-11-20 07:37:22,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:37:22,805 INFO L470 AbstractCegarLoop]: Abstraction has 2206 states and 2919 transitions. [2021-11-20 07:37:22,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.75) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (40), 8 states have call predecessors, (40), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-20 07:37:22,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2919 transitions. [2021-11-20 07:37:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2021-11-20 07:37:22,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:37:22,812 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:37:22,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 07:37:22,813 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:37:22,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:22,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1703051090, now seen corresponding path program 1 times [2021-11-20 07:37:22,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:22,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591661747] [2021-11-20 07:37:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:22,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:37:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:37:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 07:37:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:37:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 07:37:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:37:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:37:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 07:37:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 07:37:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:37:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:37:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-20 07:37:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 07:37:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:37:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-20 07:37:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-20 07:37:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-20 07:37:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:37:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:37:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:37:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:37:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-20 07:37:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:29,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-20 07:37:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:37:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:37:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:30,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 07:37:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:30,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:37:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:30,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:37:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-20 07:37:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:30,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-20 07:37:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-20 07:37:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-20 07:37:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat