./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y --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 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:49:03,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:49:03,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:49:03,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:49:03,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:49:03,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:49:03,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:49:03,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:49:03,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:49:03,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:49:03,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:49:03,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:49:03,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:49:03,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:49:03,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:49:03,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:49:03,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:49:03,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:49:03,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:49:03,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:49:03,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:49:03,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:49:03,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:49:03,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:49:03,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:49:03,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:49:03,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:49:03,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:49:03,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:49:03,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:49:03,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:49:03,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:49:03,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:49:03,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:49:03,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:49:03,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:49:03,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:49:03,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:49:03,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:49:03,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:49:03,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:49:03,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:49:03,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:49:03,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:49:03,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:49:03,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:49:03,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:49:03,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:49:03,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:49:03,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:49:03,983 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:49:03,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:49:03,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:49:03,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:49:03,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:49:03,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:49:03,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:49:03,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:49:03,985 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:49:03,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:49:03,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:49:03,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:49:03,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:49:03,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:49:03,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:49:03,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:49:03,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:49:03,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:49:03,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:49:03,989 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:49:03,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:49:03,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:49:03,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:49:03,990 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_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2021-11-13 18:49:04,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:49:04,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:49:04,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:49:04,366 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:49:04,366 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:49:04,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-13 18:49:04,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/data/1c16d40e7/16300a95c9114688adfa415c5888956b/FLAGa4723ba07 [2021-11-13 18:49:05,696 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:49:05,697 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-13 18:49:05,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/data/1c16d40e7/16300a95c9114688adfa415c5888956b/FLAGa4723ba07 [2021-11-13 18:49:05,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/data/1c16d40e7/16300a95c9114688adfa415c5888956b [2021-11-13 18:49:05,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:49:05,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:49:05,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:49:05,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:49:05,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:49:05,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:49:05" (1/1) ... [2021-11-13 18:49:05,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288807f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:05, skipping insertion in model container [2021-11-13 18:49:05,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:49:05" (1/1) ... [2021-11-13 18:49:05,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:49:06,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:49:13,069 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-13 18:49:13,072 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-13 18:49:13,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:49:13,179 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:49:13,998 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-13 18:49:13,999 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-13 18:49:14,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:49:14,417 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:49:14,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14 WrapperNode [2021-11-13 18:49:14,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:49:14,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:49:14,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:49:14,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:49:14,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:14,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:15,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:49:15,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:49:15,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:49:15,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:49:15,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:15,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:15,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:15,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:15,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:15,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:16,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:16,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:49:16,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:49:16,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:49:16,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:49:16,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:16,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:49:16,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:49:16,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:49:16,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4233f9-5155-4ce6-ae42-abf2d4c524f0/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:49:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2021-11-13 18:49:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2021-11-13 18:49:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2021-11-13 18:49:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2021-11-13 18:49:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-13 18:49:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2021-11-13 18:49:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2021-11-13 18:49:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-13 18:49:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2021-11-13 18:49:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2021-11-13 18:49:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-13 18:49:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-13 18:49:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2021-11-13 18:49:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2021-11-13 18:49:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:49:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:49:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_85 [2021-11-13 18:49:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_85 [2021-11-13 18:49:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2021-11-13 18:49:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2021-11-13 18:49:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 18:49:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 18:49:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:49:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:49:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2021-11-13 18:49:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2021-11-13 18:49:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2021-11-13 18:49:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2021-11-13 18:49:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2021-11-13 18:49:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2021-11-13 18:49:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2021-11-13 18:49:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2021-11-13 18:49:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-13 18:49:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-13 18:49:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-13 18:49:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-13 18:49:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 18:49:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 18:49:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2021-11-13 18:49:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2021-11-13 18:49:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2021-11-13 18:49:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2021-11-13 18:49:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2021-11-13 18:49:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2021-11-13 18:49:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 18:49:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 18:49:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2021-11-13 18:49:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2021-11-13 18:49:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-13 18:49:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-13 18:49:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-13 18:49:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-13 18:49:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-13 18:49:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-13 18:49:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2021-11-13 18:49:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2021-11-13 18:49:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-13 18:49:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2021-11-13 18:49:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2021-11-13 18:49:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 18:49:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 18:49:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 18:49:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 18:49:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-13 18:49:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-13 18:49:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2021-11-13 18:49:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2021-11-13 18:49:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-13 18:49:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-13 18:49:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 18:49:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 18:49:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 18:49:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 18:49:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2021-11-13 18:49:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2021-11-13 18:49:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2021-11-13 18:49:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2021-11-13 18:49:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:49:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-13 18:49:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-13 18:49:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2021-11-13 18:49:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2021-11-13 18:49:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2021-11-13 18:49:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2021-11-13 18:49:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-13 18:49:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-13 18:49:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2021-11-13 18:49:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2021-11-13 18:49:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-13 18:49:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-13 18:49:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-13 18:49:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-13 18:49:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 18:49:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 18:49:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2021-11-13 18:49:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2021-11-13 18:49:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-13 18:49:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-13 18:49:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2021-11-13 18:49:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2021-11-13 18:49:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:49:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-13 18:49:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-13 18:49:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2021-11-13 18:49:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2021-11-13 18:49:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 18:49:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 18:49:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-13 18:49:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-13 18:49:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 18:49:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 18:49:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2021-11-13 18:49:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2021-11-13 18:49:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:49:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 18:49:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 18:49:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:49:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2021-11-13 18:49:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2021-11-13 18:49:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2021-11-13 18:49:16,541 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2021-11-13 18:49:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-13 18:49:16,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-13 18:49:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2021-11-13 18:49:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2021-11-13 18:49:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:49:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:49:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 18:49:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 18:49:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2021-11-13 18:49:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2021-11-13 18:49:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-13 18:49:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-13 18:49:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-13 18:49:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-13 18:49:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 18:49:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 18:49:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 18:49:16,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 18:49:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-11-13 18:49:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-11-13 18:49:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-13 18:49:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-13 18:49:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-13 18:49:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-13 18:49:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 18:49:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 18:49:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-13 18:49:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-13 18:49:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2021-11-13 18:49:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2021-11-13 18:49:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2021-11-13 18:49:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2021-11-13 18:49:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:49:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-13 18:49:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-13 18:49:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-13 18:49:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-13 18:49:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2021-11-13 18:49:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2021-11-13 18:49:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 18:49:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 18:49:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 18:49:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 18:49:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:49:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2021-11-13 18:49:16,557 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2021-11-13 18:49:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 18:49:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2021-11-13 18:49:16,557 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2021-11-13 18:49:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-13 18:49:16,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-13 18:49:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:49:16,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:49:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-13 18:49:16,558 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-13 18:49:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-13 18:49:16,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-13 18:49:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-13 18:49:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-13 18:49:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2021-11-13 18:49:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2021-11-13 18:49:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-13 18:49:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-13 18:49:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-13 18:49:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-13 18:49:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2021-11-13 18:49:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2021-11-13 18:49:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:49:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:49:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2021-11-13 18:49:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2021-11-13 18:49:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-13 18:49:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-13 18:49:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 18:49:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 18:49:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2021-11-13 18:49:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2021-11-13 18:49:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2021-11-13 18:49:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2021-11-13 18:49:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 18:49:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 18:49:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-11-13 18:49:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-11-13 18:49:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:49:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:49:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2021-11-13 18:49:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2021-11-13 18:49:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-13 18:49:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-13 18:49:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-13 18:49:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-13 18:49:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-13 18:49:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-13 18:49:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2021-11-13 18:49:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2021-11-13 18:49:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-13 18:49:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-13 18:49:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 18:49:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 18:49:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-13 18:49:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-13 18:49:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2021-11-13 18:49:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2021-11-13 18:49:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-13 18:49:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-13 18:49:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:49:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:49:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:49:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:49:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-13 18:49:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-13 18:49:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-11-13 18:49:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-11-13 18:49:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-13 18:49:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-13 18:49:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2021-11-13 18:49:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2021-11-13 18:49:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2021-11-13 18:49:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2021-11-13 18:49:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2021-11-13 18:49:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2021-11-13 18:49:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2021-11-13 18:49:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2021-11-13 18:49:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-13 18:49:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-13 18:49:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2021-11-13 18:49:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2021-11-13 18:49:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:49:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:49:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2021-11-13 18:49:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2021-11-13 18:49:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 18:49:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 18:49:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2021-11-13 18:49:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2021-11-13 18:49:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-13 18:49:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-13 18:49:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2021-11-13 18:49:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2021-11-13 18:49:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 18:49:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 18:49:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:49:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 18:49:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 18:49:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2021-11-13 18:49:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2021-11-13 18:49:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-11-13 18:49:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-11-13 18:49:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:49:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-13 18:49:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-13 18:49:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2021-11-13 18:49:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2021-11-13 18:49:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2021-11-13 18:49:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2021-11-13 18:49:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-13 18:49:16,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-13 18:49:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2021-11-13 18:49:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2021-11-13 18:49:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-13 18:49:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-13 18:49:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:49:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-13 18:49:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-13 18:49:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2021-11-13 18:49:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2021-11-13 18:49:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2021-11-13 18:49:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2021-11-13 18:49:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 18:49:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 18:49:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-13 18:49:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-13 18:49:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2021-11-13 18:49:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2021-11-13 18:49:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-13 18:49:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-13 18:49:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 18:49:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 18:49:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2021-11-13 18:49:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2021-11-13 18:49:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2021-11-13 18:49:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2021-11-13 18:49:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:49:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:49:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-13 18:49:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-13 18:49:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2021-11-13 18:49:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2021-11-13 18:49:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2021-11-13 18:49:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2021-11-13 18:49:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-13 18:49:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-13 18:49:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2021-11-13 18:49:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2021-11-13 18:49:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2021-11-13 18:49:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2021-11-13 18:49:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 18:49:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 18:49:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 18:49:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 18:49:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2021-11-13 18:49:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2021-11-13 18:49:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2021-11-13 18:49:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2021-11-13 18:49:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2021-11-13 18:49:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2021-11-13 18:49:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 18:49:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 18:49:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-13 18:49:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-13 18:49:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:49:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:49:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-13 18:49:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-11-13 18:49:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2021-11-13 18:49:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2021-11-13 18:49:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:49:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2021-11-13 18:49:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2021-11-13 18:49:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2021-11-13 18:49:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2021-11-13 18:49:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-13 18:49:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-13 18:49:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-13 18:49:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-13 18:49:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:49:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:49:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2021-11-13 18:49:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2021-11-13 18:49:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-13 18:49:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-13 18:49:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2021-11-13 18:49:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2021-11-13 18:49:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-13 18:49:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-13 18:49:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-13 18:49:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-13 18:49:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2021-11-13 18:49:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2021-11-13 18:49:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-13 18:49:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-13 18:49:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-13 18:49:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-13 18:49:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 18:49:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 18:49:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2021-11-13 18:49:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2021-11-13 18:49:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2021-11-13 18:49:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2021-11-13 18:49:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-13 18:49:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-13 18:49:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2021-11-13 18:49:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2021-11-13 18:49:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2021-11-13 18:49:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2021-11-13 18:49:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2021-11-13 18:49:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2021-11-13 18:49:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-13 18:49:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-13 18:49:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2021-11-13 18:49:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2021-11-13 18:49:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:49:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-13 18:49:16,596 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-13 18:49:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-13 18:49:16,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-13 18:49:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2021-11-13 18:49:16,596 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2021-11-13 18:49:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 18:49:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 18:49:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2021-11-13 18:49:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2021-11-13 18:49:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-13 18:49:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-13 18:49:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2021-11-13 18:49:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2021-11-13 18:49:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2021-11-13 18:49:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2021-11-13 18:49:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2021-11-13 18:49:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2021-11-13 18:49:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2021-11-13 18:49:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2021-11-13 18:49:18,742 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:50:45,393 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:50:45,393 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-13 18:50:45,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:50:45 BoogieIcfgContainer [2021-11-13 18:50:45,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:50:45,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:50:45,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:50:45,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:50:45,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:49:05" (1/3) ... [2021-11-13 18:50:45,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693051ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:50:45, skipping insertion in model container [2021-11-13 18:50:45,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14" (2/3) ... [2021-11-13 18:50:45,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693051ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:50:45, skipping insertion in model container [2021-11-13 18:50:45,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:50:45" (3/3) ... [2021-11-13 18:50:45,410 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-13 18:50:45,416 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:50:45,416 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:50:45,485 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:50:45,492 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 [2021-11-13 18:50:45,492 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:50:45,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 4459 states, 2940 states have (on average 1.3170068027210884) internal successors, (3872), 3105 states have internal predecessors, (3872), 1327 states have call successors, (1327), 192 states have call predecessors, (1327), 191 states have return successors, (1314), 1251 states have call predecessors, (1314), 1314 states have call successors, (1314) [2021-11-13 18:50:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-13 18:50:45,640 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:50:45,642 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-13 18:50:45,643 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:50:45,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:45,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1004962571, now seen corresponding path program 1 times [2021-11-13 18:50:45,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:45,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168789505] [2021-11-13 18:50:45,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:45,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:50:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:50:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:50:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:50:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:50:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:50:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:50:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 18:50:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:50:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:47,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:50:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-13 18:50:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 18:50:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-13 18:50:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-13 18:50:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 18:50:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-13 18:50:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,268 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-13 18:50:48,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:50:48,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168789505] [2021-11-13 18:50:48,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168789505] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:50:48,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:50:48,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:50:48,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663821477] [2021-11-13 18:50:48,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:50:48,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:50:48,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:50:48,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:50:48,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:50:48,345 INFO L87 Difference]: Start difference. First operand has 4459 states, 2940 states have (on average 1.3170068027210884) internal successors, (3872), 3105 states have internal predecessors, (3872), 1327 states have call successors, (1327), 192 states have call predecessors, (1327), 191 states have return successors, (1314), 1251 states have call predecessors, (1314), 1314 states have call successors, (1314) Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:50:50,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:52,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:55,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:05,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:08,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:12,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:26,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:51:26,835 INFO L93 Difference]: Finished difference Result 9221 states and 13854 transitions. [2021-11-13 18:51:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:51:26,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2021-11-13 18:51:26,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:51:26,922 INFO L225 Difference]: With dead ends: 9221 [2021-11-13 18:51:26,923 INFO L226 Difference]: Without dead ends: 4721 [2021-11-13 18:51:26,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:51:26,977 INFO L933 BasicCegarLoop]: 6230 mSDtfsCounter, 7019 mSDsluCounter, 6612 mSDsCounter, 0 mSdLazyCounter, 5210 mSolverCounterSat, 3630 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34914.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7945 SdHoareTripleChecker+Valid, 12842 SdHoareTripleChecker+Invalid, 8845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 175.01ms SdHoareTripleChecker+Time, 3630 IncrementalHoareTripleChecker+Valid, 5210 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37337.24ms IncrementalHoareTripleChecker+Time [2021-11-13 18:51:26,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7945 Valid, 12842 Invalid, 8845 Unknown, 0 Unchecked, 175.01ms Time], IncrementalHoareTripleChecker [3630 Valid, 5210 Invalid, 5 Unknown, 0 Unchecked, 37337.24ms Time] [2021-11-13 18:51:27,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4721 states. [2021-11-13 18:51:27,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4721 to 4512. [2021-11-13 18:51:27,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 2992 states have (on average 1.3081550802139037) internal successors, (3914), 3149 states have internal predecessors, (3914), 1312 states have call successors, (1312), 207 states have call predecessors, (1312), 207 states have return successors, (1312), 1250 states have call predecessors, (1312), 1312 states have call successors, (1312) [2021-11-13 18:51:27,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 6538 transitions. [2021-11-13 18:51:27,422 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 6538 transitions. Word has length 163 [2021-11-13 18:51:27,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:51:27,424 INFO L470 AbstractCegarLoop]: Abstraction has 4512 states and 6538 transitions. [2021-11-13 18:51:27,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:51:27,425 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 6538 transitions. [2021-11-13 18:51:27,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-13 18:51:27,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:51:27,432 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-13 18:51:27,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:51:27,432 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:51:27,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:51:27,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1009734701, now seen corresponding path program 1 times [2021-11-13 18:51:27,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:51:27,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025086657] [2021-11-13 18:51:27,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:51:27,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:51:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:51:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:51:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:51:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:51:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:51:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:51:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:51:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 18:51:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:51:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:51:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-13 18:51:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 18:51:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-13 18:51:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:51:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-13 18:51:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 18:51:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-13 18:51:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-13 18:51:28,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:51:28,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025086657] [2021-11-13 18:51:28,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025086657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:51:28,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:51:28,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:51:28,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261032643] [2021-11-13 18:51:28,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:51:28,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:51:28,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:51:29,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:51:29,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:51:29,001 INFO L87 Difference]: Start difference. First operand 4512 states and 6538 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:51:31,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:33,295 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:36,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:47,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:50,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:53,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:09,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:52:09,172 INFO L93 Difference]: Finished difference Result 9192 states and 13552 transitions. [2021-11-13 18:52:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:52:09,173 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 164 [2021-11-13 18:52:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:52:09,223 INFO L225 Difference]: With dead ends: 9192 [2021-11-13 18:52:09,223 INFO L226 Difference]: Without dead ends: 4721 [2021-11-13 18:52:09,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:52:09,260 INFO L933 BasicCegarLoop]: 6099 mSDtfsCounter, 9200 mSDsluCounter, 6510 mSDsCounter, 0 mSdLazyCounter, 5186 mSolverCounterSat, 8770 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36726.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9233 SdHoareTripleChecker+Valid, 12609 SdHoareTripleChecker+Invalid, 13961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 137.47ms SdHoareTripleChecker+Time, 8770 IncrementalHoareTripleChecker+Valid, 5186 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39105.67ms IncrementalHoareTripleChecker+Time [2021-11-13 18:52:09,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9233 Valid, 12609 Invalid, 13961 Unknown, 0 Unchecked, 137.47ms Time], IncrementalHoareTripleChecker [8770 Valid, 5186 Invalid, 5 Unknown, 0 Unchecked, 39105.67ms Time] [2021-11-13 18:52:09,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4721 states. [2021-11-13 18:52:09,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4721 to 4512. [2021-11-13 18:52:09,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 2992 states have (on average 1.3078208556149733) internal successors, (3913), 3149 states have internal predecessors, (3913), 1312 states have call successors, (1312), 207 states have call predecessors, (1312), 207 states have return successors, (1312), 1250 states have call predecessors, (1312), 1312 states have call successors, (1312) [2021-11-13 18:52:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 6537 transitions. [2021-11-13 18:52:09,574 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 6537 transitions. Word has length 164 [2021-11-13 18:52:09,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:52:09,575 INFO L470 AbstractCegarLoop]: Abstraction has 4512 states and 6537 transitions. [2021-11-13 18:52:09,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:52:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 6537 transitions. [2021-11-13 18:52:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-13 18:52:09,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:52:09,580 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-13 18:52:09,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:52:09,580 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:52:09,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:52:09,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1272187335, now seen corresponding path program 1 times [2021-11-13 18:52:09,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:52:09,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054449048] [2021-11-13 18:52:09,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:52:09,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:52:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:52:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:52:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:52:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:52:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:52:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:52:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:52:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 18:52:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:52:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:52:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-13 18:52:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 18:52:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-13 18:52:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-13 18:52:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 18:52:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-13 18:52:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-13 18:52:11,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:52:11,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054449048] [2021-11-13 18:52:11,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054449048] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:52:11,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:52:11,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:52:11,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565721845] [2021-11-13 18:52:11,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:52:11,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:52:11,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:52:11,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:52:11,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:52:11,067 INFO L87 Difference]: Start difference. First operand 4512 states and 6537 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:52:13,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:15,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:18,149 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:27,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:30,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:34,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:50,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:52:50,538 INFO L93 Difference]: Finished difference Result 9192 states and 13550 transitions. [2021-11-13 18:52:50,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:52:50,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 165 [2021-11-13 18:52:50,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:52:50,586 INFO L225 Difference]: With dead ends: 9192 [2021-11-13 18:52:50,587 INFO L226 Difference]: Without dead ends: 4721 [2021-11-13 18:52:50,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:52:50,618 INFO L933 BasicCegarLoop]: 6097 mSDtfsCounter, 9195 mSDsluCounter, 6514 mSDsCounter, 0 mSdLazyCounter, 5181 mSolverCounterSat, 8772 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36312.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9228 SdHoareTripleChecker+Valid, 12611 SdHoareTripleChecker+Invalid, 13959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 103.23ms SdHoareTripleChecker+Time, 8772 IncrementalHoareTripleChecker+Valid, 5181 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38611.51ms IncrementalHoareTripleChecker+Time [2021-11-13 18:52:50,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9228 Valid, 12611 Invalid, 13959 Unknown, 0 Unchecked, 103.23ms Time], IncrementalHoareTripleChecker [8772 Valid, 5181 Invalid, 6 Unknown, 0 Unchecked, 38611.51ms Time] [2021-11-13 18:52:50,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4721 states. [2021-11-13 18:52:50,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4721 to 4512. [2021-11-13 18:52:50,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 2992 states have (on average 1.3074866310160427) internal successors, (3912), 3149 states have internal predecessors, (3912), 1312 states have call successors, (1312), 207 states have call predecessors, (1312), 207 states have return successors, (1312), 1250 states have call predecessors, (1312), 1312 states have call successors, (1312) [2021-11-13 18:52:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 6536 transitions. [2021-11-13 18:52:50,922 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 6536 transitions. Word has length 165 [2021-11-13 18:52:50,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:52:50,924 INFO L470 AbstractCegarLoop]: Abstraction has 4512 states and 6536 transitions. [2021-11-13 18:52:50,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:52:50,924 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 6536 transitions. [2021-11-13 18:52:50,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-13 18:52:50,927 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:52:50,928 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-13 18:52:50,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:52:50,928 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:52:50,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:52:50,929 INFO L85 PathProgramCache]: Analyzing trace with hash 932801001, now seen corresponding path program 1 times [2021-11-13 18:52:50,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:52:50,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033501225] [2021-11-13 18:52:50,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:52:50,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:52:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:52:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:52:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:52:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:52:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:52:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:52:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:52:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 18:52:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:52:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:52:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-13 18:52:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 18:52:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-13 18:52:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:52:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-13 18:52:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 18:52:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-13 18:52:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:52:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-13 18:52:52,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:52:52,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033501225] [2021-11-13 18:52:52,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033501225] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:52:52,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:52:52,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:52:52,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264860886] [2021-11-13 18:52:52,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:52:52,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:52:52,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:52:52,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:52:52,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:52:52,412 INFO L87 Difference]: Start difference. First operand 4512 states and 6536 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:52:54,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:56,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:58,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:01,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:03,937 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:12,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:20,039 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:22,188 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:28,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:30,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:31,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:33,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:42,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:48,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:53:50,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:54:10,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:54:12,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:54:23,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:54:25,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:54:27,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:54:31,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:54:33,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:54:35,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:54:45,725 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:54:47,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:54:49,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:46,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:55:46,207 INFO L93 Difference]: Finished difference Result 18318 states and 27378 transitions. [2021-11-13 18:55:46,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 18:55:46,208 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 166 [2021-11-13 18:55:46,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:55:46,383 INFO L225 Difference]: With dead ends: 18318 [2021-11-13 18:55:46,383 INFO L226 Difference]: Without dead ends: 13847 [2021-11-13 18:55:46,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-11-13 18:55:46,416 INFO L933 BasicCegarLoop]: 13125 mSDtfsCounter, 20124 mSDsluCounter, 20988 mSDsCounter, 0 mSdLazyCounter, 19820 mSolverCounterSat, 11306 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161761.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21865 SdHoareTripleChecker+Valid, 34113 SdHoareTripleChecker+Invalid, 31148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 360.73ms SdHoareTripleChecker+Time, 11306 IncrementalHoareTripleChecker+Valid, 19820 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171191.90ms IncrementalHoareTripleChecker+Time [2021-11-13 18:55:46,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21865 Valid, 34113 Invalid, 31148 Unknown, 0 Unchecked, 360.73ms Time], IncrementalHoareTripleChecker [11306 Valid, 19820 Invalid, 22 Unknown, 0 Unchecked, 171191.90ms Time] [2021-11-13 18:55:46,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13847 states. [2021-11-13 18:55:47,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13847 to 13317. [2021-11-13 18:55:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13317 states, 8845 states have (on average 1.3087620124364048) internal successors, (11576), 9325 states have internal predecessors, (11576), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 617 states have return successors, (4182), 3663 states have call predecessors, (4182), 3854 states have call successors, (4182) [2021-11-13 18:55:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13317 states to 13317 states and 19612 transitions. [2021-11-13 18:55:47,644 INFO L78 Accepts]: Start accepts. Automaton has 13317 states and 19612 transitions. Word has length 166 [2021-11-13 18:55:47,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:55:47,645 INFO L470 AbstractCegarLoop]: Abstraction has 13317 states and 19612 transitions. [2021-11-13 18:55:47,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:55:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 13317 states and 19612 transitions. [2021-11-13 18:55:47,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-13 18:55:47,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:55:47,654 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-13 18:55:47,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:55:47,655 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:55:47,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:47,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1577951733, now seen corresponding path program 1 times [2021-11-13 18:55:47,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:47,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919146771] [2021-11-13 18:55:47,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:47,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:55:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:55:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:55:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:55:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:55:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 18:55:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-13 18:55:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-13 18:55:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-13 18:55:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:55:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-13 18:55:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:55:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-13 18:55:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:55:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 18:55:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:55:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:55:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:48,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 18:55:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:49,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:55:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:49,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:49,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-13 18:55:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:49,096 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-11-13 18:55:49,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:55:49,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919146771] [2021-11-13 18:55:49,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919146771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:55:49,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:55:49,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:55:49,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386961720] [2021-11-13 18:55:49,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:55:49,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:55:49,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:55:49,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:55:49,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:55:49,100 INFO L87 Difference]: Start difference. First operand 13317 states and 19612 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-13 18:55:51,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:54,109 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:02,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:05,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:08,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:19,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:56:19,093 INFO L93 Difference]: Finished difference Result 21485 states and 32438 transitions. [2021-11-13 18:56:19,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:56:19,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 200 [2021-11-13 18:56:19,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:56:19,251 INFO L225 Difference]: With dead ends: 21485 [2021-11-13 18:56:19,252 INFO L226 Difference]: Without dead ends: 15899 [2021-11-13 18:56:19,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:56:19,304 INFO L933 BasicCegarLoop]: 7100 mSDtfsCounter, 2326 mSDsluCounter, 9231 mSDsCounter, 0 mSdLazyCounter, 2521 mSolverCounterSat, 2836 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26396.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2907 SdHoareTripleChecker+Valid, 16331 SdHoareTripleChecker+Invalid, 5361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 102.36ms SdHoareTripleChecker+Time, 2836 IncrementalHoareTripleChecker+Valid, 2521 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28707.91ms IncrementalHoareTripleChecker+Time [2021-11-13 18:56:19,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2907 Valid, 16331 Invalid, 5361 Unknown, 0 Unchecked, 102.36ms Time], IncrementalHoareTripleChecker [2836 Valid, 2521 Invalid, 4 Unknown, 0 Unchecked, 28707.91ms Time] [2021-11-13 18:56:19,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15899 states. [2021-11-13 18:56:20,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15899 to 13318. [2021-11-13 18:56:20,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 8846 states have (on average 1.3087271082975356) internal successors, (11577), 9326 states have internal predecessors, (11577), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 617 states have return successors, (4182), 3663 states have call predecessors, (4182), 3854 states have call successors, (4182) [2021-11-13 18:56:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 19613 transitions. [2021-11-13 18:56:20,947 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 19613 transitions. Word has length 200 [2021-11-13 18:56:20,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:56:20,948 INFO L470 AbstractCegarLoop]: Abstraction has 13318 states and 19613 transitions. [2021-11-13 18:56:20,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-13 18:56:20,949 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 19613 transitions. [2021-11-13 18:56:20,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-13 18:56:20,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:56:20,955 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-13 18:56:20,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:56:20,956 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:56:20,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:20,956 INFO L85 PathProgramCache]: Analyzing trace with hash -883724157, now seen corresponding path program 1 times [2021-11-13 18:56:20,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:56:20,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397958111] [2021-11-13 18:56:20,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:20,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:56:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:56:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:21,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:56:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:56:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:56:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:56:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 18:56:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:56:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:56:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-13 18:56:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 18:56:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-13 18:56:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-13 18:56:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 18:56:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-13 18:56:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:22,855 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-13 18:56:22,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:56:22,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397958111] [2021-11-13 18:56:22,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397958111] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:56:22,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:56:22,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:56:22,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934552969] [2021-11-13 18:56:22,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:56:22,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:56:22,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:56:22,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:56:22,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:56:22,858 INFO L87 Difference]: Start difference. First operand 13318 states and 19613 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:56:25,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:27,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:30,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:37,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:52,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:57,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:00,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:06,898 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:12,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:50,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:57:50,345 INFO L93 Difference]: Finished difference Result 35982 states and 54451 transitions. [2021-11-13 18:57:50,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 18:57:50,346 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 167 [2021-11-13 18:57:50,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:57:50,567 INFO L225 Difference]: With dead ends: 35982 [2021-11-13 18:57:50,567 INFO L226 Difference]: Without dead ends: 22706 [2021-11-13 18:57:50,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-13 18:57:50,710 INFO L933 BasicCegarLoop]: 9042 mSDtfsCounter, 14008 mSDsluCounter, 12183 mSDsCounter, 0 mSdLazyCounter, 11716 mSolverCounterSat, 10627 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78802.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14951 SdHoareTripleChecker+Valid, 21225 SdHoareTripleChecker+Invalid, 22351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 204.64ms SdHoareTripleChecker+Time, 10627 IncrementalHoareTripleChecker+Valid, 11716 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84811.21ms IncrementalHoareTripleChecker+Time [2021-11-13 18:57:50,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14951 Valid, 21225 Invalid, 22351 Unknown, 0 Unchecked, 204.64ms Time], IncrementalHoareTripleChecker [10627 Valid, 11716 Invalid, 8 Unknown, 0 Unchecked, 84811.21ms Time] [2021-11-13 18:57:50,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22706 states. [2021-11-13 18:57:52,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22706 to 21867. [2021-11-13 18:57:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21867 states, 14507 states have (on average 1.3076445853725787) internal successors, (18970), 15295 states have internal predecessors, (18970), 6353 states have call successors, (6353), 991 states have call predecessors, (6353), 1006 states have return successors, (7068), 6035 states have call predecessors, (7068), 6353 states have call successors, (7068) [2021-11-13 18:57:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21867 states to 21867 states and 32391 transitions. [2021-11-13 18:57:53,398 INFO L78 Accepts]: Start accepts. Automaton has 21867 states and 32391 transitions. Word has length 167 [2021-11-13 18:57:53,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:57:53,399 INFO L470 AbstractCegarLoop]: Abstraction has 21867 states and 32391 transitions. [2021-11-13 18:57:53,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:57:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 21867 states and 32391 transitions. [2021-11-13 18:57:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-13 18:57:53,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:57:53,404 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-13 18:57:53,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:57:53,405 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:57:53,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:57:53,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1246912603, now seen corresponding path program 1 times [2021-11-13 18:57:53,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:57:53,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640188500] [2021-11-13 18:57:53,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:57:53,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:57:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:57:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:57:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:57:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:57:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:57:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 18:57:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:57:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:57:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-13 18:57:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 18:57:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-13 18:57:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:55,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:55,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-13 18:57:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:55,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 18:57:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:55,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-13 18:57:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:55,401 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-13 18:57:55,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:57:55,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640188500] [2021-11-13 18:57:55,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640188500] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:57:55,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:57:55,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:57:55,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110869543] [2021-11-13 18:57:55,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:57:55,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:57:55,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:57:55,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:57:55,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:57:55,404 INFO L87 Difference]: Start difference. First operand 21867 states and 32391 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:57:57,663 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:59,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:03,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:23,818 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:28,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:31,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:37,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:44,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:23,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:59:23,359 INFO L93 Difference]: Finished difference Result 36026 states and 54509 transitions. [2021-11-13 18:59:23,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 18:59:23,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2021-11-13 18:59:23,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:59:23,529 INFO L225 Difference]: With dead ends: 36026 [2021-11-13 18:59:23,529 INFO L226 Difference]: Without dead ends: 22706 [2021-11-13 18:59:23,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-13 18:59:23,654 INFO L933 BasicCegarLoop]: 8944 mSDtfsCounter, 14074 mSDsluCounter, 12052 mSDsCounter, 0 mSdLazyCounter, 11684 mSolverCounterSat, 10687 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79196.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15021 SdHoareTripleChecker+Valid, 20996 SdHoareTripleChecker+Invalid, 22379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 198.31ms SdHoareTripleChecker+Time, 10687 IncrementalHoareTripleChecker+Valid, 11684 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85275.55ms IncrementalHoareTripleChecker+Time [2021-11-13 18:59:23,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15021 Valid, 20996 Invalid, 22379 Unknown, 0 Unchecked, 198.31ms Time], IncrementalHoareTripleChecker [10687 Valid, 11684 Invalid, 8 Unknown, 0 Unchecked, 85275.55ms Time] [2021-11-13 18:59:23,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22706 states. [2021-11-13 18:59:25,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22706 to 21867. [2021-11-13 18:59:25,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21867 states, 14507 states have (on average 1.3074377886537534) internal successors, (18967), 15295 states have internal predecessors, (18967), 6353 states have call successors, (6353), 991 states have call predecessors, (6353), 1006 states have return successors, (7068), 6035 states have call predecessors, (7068), 6353 states have call successors, (7068) [2021-11-13 18:59:25,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21867 states to 21867 states and 32388 transitions. [2021-11-13 18:59:25,710 INFO L78 Accepts]: Start accepts. Automaton has 21867 states and 32388 transitions. Word has length 168 [2021-11-13 18:59:25,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:59:25,711 INFO L470 AbstractCegarLoop]: Abstraction has 21867 states and 32388 transitions. [2021-11-13 18:59:25,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:59:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 21867 states and 32388 transitions. [2021-11-13 18:59:25,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-13 18:59:25,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:59:25,716 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-13 18:59:25,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 18:59:25,717 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:59:25,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:25,717 INFO L85 PathProgramCache]: Analyzing trace with hash 493664063, now seen corresponding path program 1 times [2021-11-13 18:59:25,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:25,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934590302] [2021-11-13 18:59:25,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:25,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:26,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:59:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:59:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:59:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:59:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:59:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:59:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:59:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 18:59:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:59:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:59:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-13 18:59:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 18:59:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-13 18:59:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-13 18:59:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 18:59:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-13 18:59:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:27,811 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-13 18:59:27,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:27,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934590302] [2021-11-13 18:59:27,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934590302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:27,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:27,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:59:27,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044814506] [2021-11-13 18:59:27,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:27,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:59:27,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:27,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:59:27,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:59:27,814 INFO L87 Difference]: Start difference. First operand 21867 states and 32388 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:59:30,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:32,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:34,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:37,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:39,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:50,898 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:58,970 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:01,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:04,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:10,538 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:11,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:39,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:00:39,531 INFO L93 Difference]: Finished difference Result 36020 states and 54492 transitions. [2021-11-13 19:00:39,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:00:39,532 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 169 [2021-11-13 19:00:39,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:00:39,679 INFO L225 Difference]: With dead ends: 36020 [2021-11-13 19:00:39,680 INFO L226 Difference]: Without dead ends: 22700 [2021-11-13 19:00:39,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-13 19:00:39,785 INFO L933 BasicCegarLoop]: 6074 mSDtfsCounter, 8451 mSDsluCounter, 9031 mSDsCounter, 0 mSdLazyCounter, 7034 mSolverCounterSat, 7302 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65018.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8484 SdHoareTripleChecker+Valid, 15105 SdHoareTripleChecker+Invalid, 14346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 146.72ms SdHoareTripleChecker+Time, 7302 IncrementalHoareTripleChecker+Valid, 7034 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69464.29ms IncrementalHoareTripleChecker+Time [2021-11-13 19:00:39,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8484 Valid, 15105 Invalid, 14346 Unknown, 0 Unchecked, 146.72ms Time], IncrementalHoareTripleChecker [7302 Valid, 7034 Invalid, 10 Unknown, 0 Unchecked, 69464.29ms Time] [2021-11-13 19:00:39,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22700 states. [2021-11-13 19:00:41,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22700 to 21867. [2021-11-13 19:00:41,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21867 states, 14507 states have (on average 1.3072309919349279) internal successors, (18964), 15295 states have internal predecessors, (18964), 6353 states have call successors, (6353), 991 states have call predecessors, (6353), 1006 states have return successors, (7068), 6035 states have call predecessors, (7068), 6353 states have call successors, (7068) [2021-11-13 19:00:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21867 states to 21867 states and 32385 transitions. [2021-11-13 19:00:41,561 INFO L78 Accepts]: Start accepts. Automaton has 21867 states and 32385 transitions. Word has length 169 [2021-11-13 19:00:41,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:00:41,565 INFO L470 AbstractCegarLoop]: Abstraction has 21867 states and 32385 transitions. [2021-11-13 19:00:41,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 19:00:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 21867 states and 32385 transitions. [2021-11-13 19:00:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-13 19:00:41,571 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:00:41,571 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-13 19:00:41,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 19:00:41,571 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:41,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:41,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1019833879, now seen corresponding path program 1 times [2021-11-13 19:00:41,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:41,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344257588] [2021-11-13 19:00:41,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:41,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:00:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:42,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:00:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:42,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:00:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:00:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:42,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:42,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:00:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:42,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:00:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:42,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:00:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 19:00:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-13 19:00:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-13 19:00:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-13 19:00:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 19:00:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-13 19:00:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:00:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:00:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-13 19:00:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:00:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:00:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 19:00:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:00:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:00:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:00:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 19:00:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:00:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-13 19:00:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,777 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-11-13 19:00:43,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:43,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344257588] [2021-11-13 19:00:43,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344257588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:43,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:43,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 19:00:43,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177937521] [2021-11-13 19:00:43,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:43,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 19:00:43,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:43,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 19:00:43,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 19:00:43,780 INFO L87 Difference]: Start difference. First operand 21867 states and 32385 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-13 19:00:46,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:48,181 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:50,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:53,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:55,797 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:05,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:13,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:15,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:18,754 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:20,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:22,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:24,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:29,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:30,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []