/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 05:15:31,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 05:15:31,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 05:15:31,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 05:15:31,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 05:15:31,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 05:15:31,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 05:15:31,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 05:15:31,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 05:15:31,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 05:15:31,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 05:15:31,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 05:15:31,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 05:15:31,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 05:15:31,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 05:15:31,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 05:15:31,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 05:15:31,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 05:15:31,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 05:15:31,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 05:15:31,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 05:15:31,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 05:15:31,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 05:15:31,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 05:15:31,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 05:15:31,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 05:15:31,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 05:15:31,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 05:15:31,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 05:15:31,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 05:15:31,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 05:15:31,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 05:15:31,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 05:15:31,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 05:15:31,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 05:15:31,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 05:15:31,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 05:15:31,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 05:15:31,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 05:15:31,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 05:15:31,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 05:15:31,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 05:15:31,577 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 05:15:31,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 05:15:31,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 05:15:31,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 05:15:31,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 05:15:31,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 05:15:31,579 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 05:15:31,579 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 05:15:31,579 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 05:15:31,580 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 05:15:31,580 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 05:15:31,580 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 05:15:31,580 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 05:15:31,580 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 05:15:31,581 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 05:15:31,581 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 05:15:31,581 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 05:15:31,581 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 05:15:31,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 05:15:31,582 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 05:15:31,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 05:15:31,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 05:15:31,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 05:15:31,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 05:15:31,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 05:15:31,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 05:15:31,583 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 05:15:31,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 05:15:31,584 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 05:15:31,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 05:15:31,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 05:15:31,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 05:15:31,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:15:31,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 05:15:31,585 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 05:15:31,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 05:15:31,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 05:15:31,585 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 05:15:31,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 05:15:31,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 05:15:31,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 05:15:31,586 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 05:15:31,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 05:15:31,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 05:15:31,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 05:15:31,770 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 05:15:31,772 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 05:15:31,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-04-03 05:15:32,773 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 05:15:33,181 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 05:15:33,181 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-04-03 05:15:33,219 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eb52191d/1fcb2cbed7a74e35a42b9530b23c19a0/FLAG306946902 [2023-04-03 05:15:33,233 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eb52191d/1fcb2cbed7a74e35a42b9530b23c19a0 [2023-04-03 05:15:33,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 05:15:33,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 05:15:33,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 05:15:33,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 05:15:33,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 05:15:33,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:15:33" (1/1) ... [2023-04-03 05:15:33,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd362f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:33, skipping insertion in model container [2023-04-03 05:15:33,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:15:33" (1/1) ... [2023-04-03 05:15:33,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 05:15:33,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 05:15:34,959 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2023-04-03 05:15:34,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:15:35,035 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 05:15:35,464 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2023-04-03 05:15:35,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:15:35,559 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:15:35,559 WARN L667 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:15:35,559 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:15:35,559 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:15:35,564 INFO L208 MainTranslator]: Completed translation [2023-04-03 05:15:35,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:35 WrapperNode [2023-04-03 05:15:35,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 05:15:35,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 05:15:35,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 05:15:35,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 05:15:35,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:35" (1/1) ... [2023-04-03 05:15:35,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:35" (1/1) ... [2023-04-03 05:15:35,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:35" (1/1) ... [2023-04-03 05:15:35,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:35" (1/1) ... [2023-04-03 05:15:35,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:35" (1/1) ... [2023-04-03 05:15:35,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:35" (1/1) ... [2023-04-03 05:15:35,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:35" (1/1) ... [2023-04-03 05:15:35,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:35" (1/1) ... [2023-04-03 05:15:35,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 05:15:35,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 05:15:35,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 05:15:35,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 05:15:35,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:35" (1/1) ... [2023-04-03 05:15:36,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:15:36,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:15:36,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 05:15:36,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 05:15:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 05:15:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 05:15:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 05:15:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 05:15:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 05:15:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-04-03 05:15:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:15:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:15:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-04-03 05:15:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-03 05:15:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-04-03 05:15:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-04-03 05:15:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~TO~$Pointer$ [2023-04-03 05:15:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure current_top_of_stack [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-04-03 05:15:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-04-03 05:15:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-04-03 05:15:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 05:15:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 05:15:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 05:15:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 05:15:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 05:15:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 05:15:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-03 05:15:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-04-03 05:15:36,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-04-03 05:15:36,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-04-03 05:15:36,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-04-03 05:15:36,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2023-04-03 05:15:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 05:15:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 05:15:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 05:15:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 05:15:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 05:15:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 05:15:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 05:15:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 05:15:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 05:15:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 05:15:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 05:15:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 05:15:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure class_create_file [2023-04-03 05:15:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-04-03 05:15:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 05:15:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 05:15:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2023-04-03 05:15:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __to_fd [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_dev [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_event_file [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_detach_umcast [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_cleanup_ucontext [2023-04-03 05:15:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2023-04-03 05:15:36,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2023-04-03 05:15:36,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2023-04-03 05:15:36,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2023-04-03 05:15:36,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2023-04-03 05:15:36,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_comp_handler [2023-04-03 05:15:36,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_async_handler [2023-04-03 05:15:36,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_cq_event_handler [2023-04-03 05:15:36,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_qp_event_handler [2023-04-03 05:15:36,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_srq_event_handler [2023-04-03 05:15:36,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_handler [2023-04-03 05:15:36,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2023-04-03 05:15:36,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_lookup_comp_file [2023-04-03 05:15:36,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2023-04-03 05:15:36,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2023-04-03 05:15:36,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2023-04-03 05:15:36,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure find_overflow_devnum [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure uverbs_devnode [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_init [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_cleanup [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_7 [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ib_client_4 [2023-04-03 05:15:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 05:15:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-04-03 05:15:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-03 05:15:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-03 05:15:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2023-04-03 05:15:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_6 [2023-04-03 05:15:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonseekable_open_7 [2023-04-03 05:15:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2023-04-03 05:15:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_9 [2023-04-03 05:15:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_10 [2023-04-03 05:15:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_11 [2023-04-03 05:15:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-04-03 05:15:36,070 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 05:15:36,070 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-03 05:15:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-03 05:15:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-04-03 05:15:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-04-03 05:15:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2023-04-03 05:15:36,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2023-04-03 05:15:36,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2023-04-03 05:15:36,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-04-03 05:15:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-04-03 05:15:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-04-03 05:15:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-04-03 05:15:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-04-03 05:15:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2023-04-03 05:15:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-04-03 05:15:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2023-04-03 05:15:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub___0 [2023-04-03 05:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put___0 [2023-04-03 05:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-04-03 05:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2023-04-03 05:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2023-04-03 05:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_poll_cq [2023-04-03 05:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2023-04-03 05:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2023-04-03 05:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2023-04-03 05:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure release_uobj [2023-04-03 05:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2023-04-03 05:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_ah [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure put_ah_read [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2023-04-03 05:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2023-04-03 05:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2023-04-03 05:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2023-04-03 05:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2023-04-03 05:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2023-04-03 05:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_get_context [2023-04-03 05:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2023-04-03 05:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_device [2023-04-03 05:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_port [2023-04-03 05:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_pd [2023-04-03 05:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dealloc_pd [2023-04-03 05:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_insert [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure find_xrcd [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open_xrcd [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close_xrcd [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dealloc_xrcd [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_reg_mr [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_rereg_mr [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dereg_mr [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_mw [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_dealloc_mw [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_comp_channel [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2023-04-03 05:15:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_cq_cb [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_cq [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_create_cq_cb [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_create_cq [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_resize_cq [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_wc_to_user [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_poll_cq [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_req_notify_cq [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_cq [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_qp [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open_qp [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_qp [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_qp [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_post_send [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2023-04-03 05:15:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_post_recv [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_post_srq_recv [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_ah [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_ah [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_attach_mcast [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_detach_mcast [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_spec_to_ib_spec [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_create_flow [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_destroy_flow [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_srq [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_create_xsrq [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_query_srq [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_destroy_srq [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_ah_attr_to_user [2023-04-03 05:15:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_qp_attr_to_user [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_path_rec_to_user [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_path_rec_from_user [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-04-03 05:15:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __fdget [2023-04-03 05:15:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2023-04-03 05:15:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 05:15:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-03 05:15:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-04-03 05:15:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-03 05:15:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 05:15:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 05:15:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-03 05:15:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 05:15:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-03 05:15:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 05:15:36,087 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 05:15:36,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 05:15:36,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure anon_inode_getfile [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure class_create_file_ns [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2023-04-03 05:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read_nested [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_attach_mcast [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_close_qp [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_ah [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_flow [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_qp [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-04-03 05:15:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_get_client_data [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_qp [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_open_qp [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_qp [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_srq [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_register_client [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_register_event_handler [2023-04-03 05:15:36,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_resolve_eth_l2_attrs [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_set_client_data [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_client [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_event_handler [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_preload [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure igrab [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure iput [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_set_name [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_7 [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-04-03 05:15:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_port_get_link_layer [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev_region [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-04-03 05:15:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-04-03 05:15:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-03 05:15:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 05:15:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 05:15:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 05:15:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 05:15:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 05:15:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 05:15:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 05:15:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 05:15:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 05:15:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 05:15:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 05:15:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 05:15:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 05:15:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-03 05:15:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure current_top_of_stack [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 05:15:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2023-04-03 05:15:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_set_name [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_6 [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 05:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_7 [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2023-04-03 05:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ib_client_4 [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure class_create_file_ns [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure class_create_file [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-04-03 05:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonseekable_open_7 [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure __fdget [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure __to_fd [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2023-04-03 05:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_9 [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_10 [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_11 [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure anon_inode_getfile [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_register_client [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_client [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_get_client_data [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_set_client_data [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_event_handler [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_close_qp [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2023-04-03 05:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2023-04-03 05:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2023-04-03 05:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2023-04-03 05:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2023-04-03 05:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_lookup_comp_file [2023-04-03 05:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2023-04-03 05:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2023-04-03 05:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_comp_handler [2023-04-03 05:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_cq_event_handler [2023-04-03 05:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_qp_event_handler [2023-04-03 05:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_srq_event_handler [2023-04-03 05:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_handler [2023-04-03 05:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dealloc_xrcd [2023-04-03 05:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_get_context [2023-04-03 05:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_device [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_port [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_pd [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dealloc_pd [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_reg_mr [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_rereg_mr [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dereg_mr [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_mw [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_dealloc_mw [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_comp_channel [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_cq [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_resize_cq [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_poll_cq [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_req_notify_cq [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_cq [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_qp [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open_qp [2023-04-03 05:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_qp [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_qp [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_post_send [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_post_recv [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_post_srq_recv [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_ah [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_ah [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_attach_mcast [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_detach_mcast [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_srq [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_query_srq [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_destroy_srq [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_xsrq [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open_xrcd [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close_xrcd [2023-04-03 05:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_create_flow [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_destroy_flow [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_create_cq [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_dev [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_event_file [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_detach_umcast [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_cleanup_ucontext [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_async_handler [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2023-04-03 05:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure find_overflow_devnum [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure uverbs_devnode [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_init [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_cleanup [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_7 [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-04-03 05:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-04-03 05:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure down_read_nested [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure idr_preload [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-04-03 05:15:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub___0 [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put___0 [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure iput [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure igrab [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure ib_register_event_handler [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_port_get_link_layer [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_ah [2023-04-03 05:15:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_srq [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_qp [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_qp [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_qp [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ib_open_qp [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ib_poll_cq [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ib_attach_mcast [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_flow [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure ib_resolve_eth_l2_attrs [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure release_uobj [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2023-04-03 05:15:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_ah [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure put_ah_read [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2023-04-03 05:15:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_insert [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure find_xrcd [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~TO~$Pointer$ [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u64~0~X~~u64~0~X~~u64~0~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_create_cq_cb [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_create_cq_cb [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure copy_wc_to_user [2023-04-03 05:15:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure kern_spec_to_ib_spec [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_qp_attr_to_user [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_ah_attr_to_user [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_path_rec_to_user [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_path_rec_from_user [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 05:15:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 05:15:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 05:15:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 05:15:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 05:15:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 05:15:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 05:15:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 05:15:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 05:15:37,281 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 05:15:37,286 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 05:15:37,781 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 05:16:03,429 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2023-04-03 05:16:09,957 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 05:16:11,019 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 05:16:11,019 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-03 05:16:11,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:16:11 BoogieIcfgContainer [2023-04-03 05:16:11,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 05:16:11,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 05:16:11,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 05:16:11,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 05:16:11,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 05:15:33" (1/3) ... [2023-04-03 05:16:11,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a088c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:16:11, skipping insertion in model container [2023-04-03 05:16:11,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:15:35" (2/3) ... [2023-04-03 05:16:11,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a088c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:16:11, skipping insertion in model container [2023-04-03 05:16:11,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:16:11" (3/3) ... [2023-04-03 05:16:11,033 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-04-03 05:16:11,045 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 05:16:11,046 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 05:16:11,136 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 05:16:11,141 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36817005, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 05:16:11,141 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 05:16:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 3300 states, 1885 states have (on average 1.3007957559681698) internal successors, (2452), 1972 states have internal predecessors, (2452), 1080 states have call successors, (1080), 321 states have call predecessors, (1080), 320 states have return successors, (1071), 1059 states have call predecessors, (1071), 1071 states have call successors, (1071) [2023-04-03 05:16:11,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2023-04-03 05:16:11,174 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:16:11,174 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:16:11,175 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:16:11,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:16:11,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1516337981, now seen corresponding path program 1 times [2023-04-03 05:16:11,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:16:11,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585448180] [2023-04-03 05:16:11,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:16:11,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:16:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:16:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2023-04-03 05:16:12,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:16:12,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585448180] [2023-04-03 05:16:12,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585448180] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:16:12,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:16:12,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:16:12,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576734503] [2023-04-03 05:16:12,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:16:12,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:16:12,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:16:12,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:16:12,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:16:12,571 INFO L87 Difference]: Start difference. First operand has 3300 states, 1885 states have (on average 1.3007957559681698) internal successors, (2452), 1972 states have internal predecessors, (2452), 1080 states have call successors, (1080), 321 states have call predecessors, (1080), 320 states have return successors, (1071), 1059 states have call predecessors, (1071), 1071 states have call successors, (1071) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 05:16:15,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:17,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:19,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:22,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:24,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:24,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:16:24,818 INFO L93 Difference]: Finished difference Result 9445 states and 13694 transitions. [2023-04-03 05:16:24,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:16:24,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 343 [2023-04-03 05:16:24,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:16:24,875 INFO L225 Difference]: With dead ends: 9445 [2023-04-03 05:16:24,875 INFO L226 Difference]: Without dead ends: 6266 [2023-04-03 05:16:24,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:16:24,899 INFO L413 NwaCegarLoop]: 4219 mSDtfsCounter, 4397 mSDsluCounter, 4055 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4397 SdHoareTripleChecker+Valid, 8274 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-04-03 05:16:24,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4397 Valid, 8274 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 652 Invalid, 3 Unknown, 0 Unchecked, 11.9s Time] [2023-04-03 05:16:24,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6266 states. [2023-04-03 05:16:25,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6266 to 6259. [2023-04-03 05:16:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6259 states, 3613 states have (on average 1.3039025740381953) internal successors, (4711), 3758 states have internal predecessors, (4711), 2030 states have call successors, (2030), 618 states have call predecessors, (2030), 615 states have return successors, (2035), 2006 states have call predecessors, (2035), 2026 states have call successors, (2035) [2023-04-03 05:16:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6259 states to 6259 states and 8776 transitions. [2023-04-03 05:16:25,201 INFO L78 Accepts]: Start accepts. Automaton has 6259 states and 8776 transitions. Word has length 343 [2023-04-03 05:16:25,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:16:25,204 INFO L495 AbstractCegarLoop]: Abstraction has 6259 states and 8776 transitions. [2023-04-03 05:16:25,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 05:16:25,204 INFO L276 IsEmpty]: Start isEmpty. Operand 6259 states and 8776 transitions. [2023-04-03 05:16:25,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2023-04-03 05:16:25,213 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:16:25,213 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:16:25,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 05:16:25,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:16:25,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:16:25,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2106204362, now seen corresponding path program 1 times [2023-04-03 05:16:25,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:16:25,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414848464] [2023-04-03 05:16:25,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:16:25,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:16:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:16:25,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2023-04-03 05:16:25,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:16:25,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414848464] [2023-04-03 05:16:25,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414848464] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:16:25,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:16:25,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:16:25,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303152479] [2023-04-03 05:16:25,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:16:25,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:16:25,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:16:25,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:16:25,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:16:25,671 INFO L87 Difference]: Start difference. First operand 6259 states and 8776 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 05:16:28,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:32,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:34,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:37,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:37,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:16:37,862 INFO L93 Difference]: Finished difference Result 18483 states and 26778 transitions. [2023-04-03 05:16:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:16:37,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 360 [2023-04-03 05:16:37,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:16:37,949 INFO L225 Difference]: With dead ends: 18483 [2023-04-03 05:16:37,949 INFO L226 Difference]: Without dead ends: 12292 [2023-04-03 05:16:37,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:16:37,976 INFO L413 NwaCegarLoop]: 4243 mSDtfsCounter, 4567 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4567 SdHoareTripleChecker+Valid, 8362 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-04-03 05:16:37,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4567 Valid, 8362 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 659 Invalid, 3 Unknown, 0 Unchecked, 11.7s Time] [2023-04-03 05:16:37,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12292 states. [2023-04-03 05:16:38,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12292 to 12260. [2023-04-03 05:16:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12260 states, 7081 states have (on average 1.3056065527467873) internal successors, (9245), 7369 states have internal predecessors, (9245), 3973 states have call successors, (3973), 1210 states have call predecessors, (3973), 1205 states have return successors, (4845), 3926 states have call predecessors, (4845), 3969 states have call successors, (4845) [2023-04-03 05:16:38,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12260 states to 12260 states and 18063 transitions. [2023-04-03 05:16:38,611 INFO L78 Accepts]: Start accepts. Automaton has 12260 states and 18063 transitions. Word has length 360 [2023-04-03 05:16:38,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:16:38,612 INFO L495 AbstractCegarLoop]: Abstraction has 12260 states and 18063 transitions. [2023-04-03 05:16:38,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 05:16:38,613 INFO L276 IsEmpty]: Start isEmpty. Operand 12260 states and 18063 transitions. [2023-04-03 05:16:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2023-04-03 05:16:38,620 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:16:38,620 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:16:38,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 05:16:38,620 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:16:38,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:16:38,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1785578046, now seen corresponding path program 1 times [2023-04-03 05:16:38,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:16:38,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088709329] [2023-04-03 05:16:38,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:16:38,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:16:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:16:39,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2023-04-03 05:16:39,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:16:39,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088709329] [2023-04-03 05:16:39,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088709329] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:16:39,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:16:39,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:16:39,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615693662] [2023-04-03 05:16:39,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:16:39,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:16:39,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:16:39,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:16:39,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:16:39,163 INFO L87 Difference]: Start difference. First operand 12260 states and 18063 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 05:16:42,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:44,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:45,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:16:45,077 INFO L93 Difference]: Finished difference Result 24078 states and 35392 transitions. [2023-04-03 05:16:45,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:16:45,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 368 [2023-04-03 05:16:45,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:16:45,192 INFO L225 Difference]: With dead ends: 24078 [2023-04-03 05:16:45,196 INFO L226 Difference]: Without dead ends: 11886 [2023-04-03 05:16:45,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:16:45,239 INFO L413 NwaCegarLoop]: 4054 mSDtfsCounter, 4362 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4362 SdHoareTripleChecker+Valid, 4055 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-04-03 05:16:45,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4362 Valid, 4055 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 318 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2023-04-03 05:16:45,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11886 states. [2023-04-03 05:16:45,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11886 to 11876. [2023-04-03 05:16:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11876 states, 6841 states have (on average 1.3022949861131414) internal successors, (8909), 7131 states have internal predecessors, (8909), 3854 states have call successors, (3854), 1183 states have call predecessors, (3854), 1180 states have return successors, (4647), 3807 states have call predecessors, (4647), 3850 states have call successors, (4647) [2023-04-03 05:16:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11876 states to 11876 states and 17410 transitions. [2023-04-03 05:16:45,732 INFO L78 Accepts]: Start accepts. Automaton has 11876 states and 17410 transitions. Word has length 368 [2023-04-03 05:16:45,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:16:45,733 INFO L495 AbstractCegarLoop]: Abstraction has 11876 states and 17410 transitions. [2023-04-03 05:16:45,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-03 05:16:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 11876 states and 17410 transitions. [2023-04-03 05:16:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2023-04-03 05:16:45,738 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:16:45,738 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:16:45,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 05:16:45,738 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:16:45,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:16:45,739 INFO L85 PathProgramCache]: Analyzing trace with hash -837027813, now seen corresponding path program 1 times [2023-04-03 05:16:45,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:16:45,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654721045] [2023-04-03 05:16:45,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:16:45,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:16:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:16:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2023-04-03 05:16:46,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:16:46,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654721045] [2023-04-03 05:16:46,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654721045] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:16:46,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:16:46,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:16:46,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584029706] [2023-04-03 05:16:46,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:16:46,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:16:46,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:16:46,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:16:46,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:16:46,178 INFO L87 Difference]: Start difference. First operand 11876 states and 17410 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 05:16:49,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:50,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:51,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:16:51,396 INFO L93 Difference]: Finished difference Result 23376 states and 34282 transitions. [2023-04-03 05:16:51,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:16:51,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 372 [2023-04-03 05:16:51,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:16:51,460 INFO L225 Difference]: With dead ends: 23376 [2023-04-03 05:16:51,460 INFO L226 Difference]: Without dead ends: 11568 [2023-04-03 05:16:51,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:16:51,509 INFO L413 NwaCegarLoop]: 3957 mSDtfsCounter, 4259 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4259 SdHoareTripleChecker+Valid, 3958 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-04-03 05:16:51,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4259 Valid, 3958 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 308 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-04-03 05:16:51,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11568 states. [2023-04-03 05:16:52,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11568 to 11568. [2023-04-03 05:16:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11568 states, 6651 states have (on average 1.2995038340099234) internal successors, (8643), 6937 states have internal predecessors, (8643), 3770 states have call successors, (3770), 1149 states have call predecessors, (3770), 1146 states have return successors, (4551), 3723 states have call predecessors, (4551), 3766 states have call successors, (4551) [2023-04-03 05:16:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11568 states to 11568 states and 16964 transitions. [2023-04-03 05:16:52,122 INFO L78 Accepts]: Start accepts. Automaton has 11568 states and 16964 transitions. Word has length 372 [2023-04-03 05:16:52,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:16:52,124 INFO L495 AbstractCegarLoop]: Abstraction has 11568 states and 16964 transitions. [2023-04-03 05:16:52,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 05:16:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 11568 states and 16964 transitions. [2023-04-03 05:16:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2023-04-03 05:16:52,127 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:16:52,127 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:16:52,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 05:16:52,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:16:52,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:16:52,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1960774576, now seen corresponding path program 1 times [2023-04-03 05:16:52,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:16:52,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691054820] [2023-04-03 05:16:52,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:16:52,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:16:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:16:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2023-04-03 05:16:52,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:16:52,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691054820] [2023-04-03 05:16:52,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691054820] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:16:52,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:16:52,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:16:52,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936975627] [2023-04-03 05:16:52,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:16:52,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:16:52,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:16:52,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:16:52,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:16:52,672 INFO L87 Difference]: Start difference. First operand 11568 states and 16964 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-03 05:16:56,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:16:58,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:00,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:02,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:04,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:06,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:17:06,423 INFO L93 Difference]: Finished difference Result 34500 states and 50596 transitions. [2023-04-03 05:17:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:17:06,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 390 [2023-04-03 05:17:06,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:17:06,519 INFO L225 Difference]: With dead ends: 34500 [2023-04-03 05:17:06,519 INFO L226 Difference]: Without dead ends: 23000 [2023-04-03 05:17:06,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:17:06,564 INFO L413 NwaCegarLoop]: 7606 mSDtfsCounter, 4232 mSDsluCounter, 3856 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4232 SdHoareTripleChecker+Valid, 11462 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-04-03 05:17:06,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4232 Valid, 11462 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 904 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2023-04-03 05:17:06,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23000 states. [2023-04-03 05:17:07,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23000 to 22992. [2023-04-03 05:17:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22992 states, 13221 states have (on average 1.2998260343393087) internal successors, (17185), 13789 states have internal predecessors, (17185), 7487 states have call successors, (7487), 2286 states have call predecessors, (7487), 2283 states have return successors, (9045), 7396 states have call predecessors, (9045), 7483 states have call successors, (9045) [2023-04-03 05:17:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22992 states to 22992 states and 33717 transitions. [2023-04-03 05:17:07,651 INFO L78 Accepts]: Start accepts. Automaton has 22992 states and 33717 transitions. Word has length 390 [2023-04-03 05:17:07,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:17:07,652 INFO L495 AbstractCegarLoop]: Abstraction has 22992 states and 33717 transitions. [2023-04-03 05:17:07,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-03 05:17:07,652 INFO L276 IsEmpty]: Start isEmpty. Operand 22992 states and 33717 transitions. [2023-04-03 05:17:07,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2023-04-03 05:17:07,655 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:17:07,655 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:17:07,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 05:17:07,655 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:17:07,656 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:17:07,656 INFO L85 PathProgramCache]: Analyzing trace with hash 549534132, now seen corresponding path program 1 times [2023-04-03 05:17:07,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:17:07,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434991687] [2023-04-03 05:17:07,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:17:07,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:17:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:17:08,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1917 trivial. 0 not checked. [2023-04-03 05:17:08,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:17:08,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434991687] [2023-04-03 05:17:08,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434991687] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:17:08,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:17:08,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:17:08,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358761176] [2023-04-03 05:17:08,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:17:08,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:17:08,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:17:08,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:17:08,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:17:08,357 INFO L87 Difference]: Start difference. First operand 22992 states and 33717 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2023-04-03 05:17:12,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:14,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:16,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:18,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:21,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:22,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:24,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:26,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:17:26,681 INFO L93 Difference]: Finished difference Result 57356 states and 84126 transitions. [2023-04-03 05:17:26,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:17:26,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 434 [2023-04-03 05:17:26,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:17:26,985 INFO L225 Difference]: With dead ends: 57356 [2023-04-03 05:17:26,986 INFO L226 Difference]: Without dead ends: 34440 [2023-04-03 05:17:27,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:17:27,091 INFO L413 NwaCegarLoop]: 7647 mSDtfsCounter, 4151 mSDsluCounter, 3941 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4151 SdHoareTripleChecker+Valid, 11588 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-04-03 05:17:27,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4151 Valid, 11588 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 903 Invalid, 5 Unknown, 0 Unchecked, 17.1s Time] [2023-04-03 05:17:27,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34440 states. [2023-04-03 05:17:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34440 to 34432. [2023-04-03 05:17:28,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34432 states, 19811 states have (on average 1.300035333905406) internal successors, (25755), 20661 states have internal predecessors, (25755), 11202 states have call successors, (11202), 3421 states have call predecessors, (11202), 3418 states have return successors, (13537), 11067 states have call predecessors, (13537), 11198 states have call successors, (13537) [2023-04-03 05:17:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34432 states to 34432 states and 50494 transitions. [2023-04-03 05:17:28,655 INFO L78 Accepts]: Start accepts. Automaton has 34432 states and 50494 transitions. Word has length 434 [2023-04-03 05:17:28,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:17:28,655 INFO L495 AbstractCegarLoop]: Abstraction has 34432 states and 50494 transitions. [2023-04-03 05:17:28,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2023-04-03 05:17:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 34432 states and 50494 transitions. [2023-04-03 05:17:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2023-04-03 05:17:28,659 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:17:28,659 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:17:28,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 05:17:28,659 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:17:28,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:17:28,660 INFO L85 PathProgramCache]: Analyzing trace with hash 460638473, now seen corresponding path program 1 times [2023-04-03 05:17:28,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:17:28,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215476348] [2023-04-03 05:17:28,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:17:28,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:17:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:17:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1940 trivial. 0 not checked. [2023-04-03 05:17:29,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:17:29,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215476348] [2023-04-03 05:17:29,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215476348] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:17:29,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:17:29,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 05:17:29,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284450235] [2023-04-03 05:17:29,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:17:29,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 05:17:29,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:17:29,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 05:17:29,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 05:17:29,795 INFO L87 Difference]: Start difference. First operand 34432 states and 50494 transitions. Second operand has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 4 states have call successors, (58), 5 states have call predecessors, (58), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-03 05:17:35,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:37,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:39,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:41,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:43,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:45,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:48,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:50,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:51,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:53,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:55,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:17:59,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:17:59,744 INFO L93 Difference]: Finished difference Result 68722 states and 105263 transitions. [2023-04-03 05:17:59,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 05:17:59,754 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 4 states have call successors, (58), 5 states have call predecessors, (58), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 450 [2023-04-03 05:17:59,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:17:59,911 INFO L225 Difference]: With dead ends: 68722 [2023-04-03 05:17:59,912 INFO L226 Difference]: Without dead ends: 34366 [2023-04-03 05:18:00,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-04-03 05:18:00,179 INFO L413 NwaCegarLoop]: 3942 mSDtfsCounter, 23 mSDsluCounter, 19695 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 19 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 23637 SdHoareTripleChecker+Invalid, 1981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2023-04-03 05:18:00,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 23637 Invalid, 1981 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1956 Invalid, 6 Unknown, 0 Unchecked, 28.6s Time] [2023-04-03 05:18:00,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34366 states. [2023-04-03 05:18:01,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34366 to 34318. [2023-04-03 05:18:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34318 states, 19781 states have (on average 1.2992770840705727) internal successors, (25701), 20625 states have internal predecessors, (25701), 11106 states have call successors, (11106), 3439 states have call predecessors, (11106), 3430 states have return successors, (13307), 10965 states have call predecessors, (13307), 11102 states have call successors, (13307) [2023-04-03 05:18:01,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34318 states to 34318 states and 50114 transitions. [2023-04-03 05:18:01,581 INFO L78 Accepts]: Start accepts. Automaton has 34318 states and 50114 transitions. Word has length 450 [2023-04-03 05:18:01,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:18:01,582 INFO L495 AbstractCegarLoop]: Abstraction has 34318 states and 50114 transitions. [2023-04-03 05:18:01,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 5 states have internal predecessors, (115), 4 states have call successors, (58), 5 states have call predecessors, (58), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-03 05:18:01,582 INFO L276 IsEmpty]: Start isEmpty. Operand 34318 states and 50114 transitions. [2023-04-03 05:18:01,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2023-04-03 05:18:01,591 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:18:01,591 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:18:01,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 05:18:01,591 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:18:01,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:18:01,592 INFO L85 PathProgramCache]: Analyzing trace with hash -844826865, now seen corresponding path program 1 times [2023-04-03 05:18:01,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:18:01,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926239065] [2023-04-03 05:18:01,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:18:01,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:18:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:18:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2300 trivial. 0 not checked. [2023-04-03 05:18:02,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:18:02,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926239065] [2023-04-03 05:18:02,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926239065] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:18:02,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:18:02,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:18:02,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866661877] [2023-04-03 05:18:02,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:18:02,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:18:02,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:18:02,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:18:02,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:18:02,302 INFO L87 Difference]: Start difference. First operand 34318 states and 50114 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2023-04-03 05:18:05,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:07,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:09,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:12,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:15,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:18:15,698 INFO L93 Difference]: Finished difference Result 85075 states and 125355 transitions. [2023-04-03 05:18:15,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:18:15,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 558 [2023-04-03 05:18:15,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:18:15,934 INFO L225 Difference]: With dead ends: 85075 [2023-04-03 05:18:15,934 INFO L226 Difference]: Without dead ends: 50833 [2023-04-03 05:18:16,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:18:16,037 INFO L413 NwaCegarLoop]: 5347 mSDtfsCounter, 4107 mSDsluCounter, 4017 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4107 SdHoareTripleChecker+Valid, 9364 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-04-03 05:18:16,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4107 Valid, 9364 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 734 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2023-04-03 05:18:16,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50833 states. [2023-04-03 05:18:17,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50833 to 50639. [2023-04-03 05:18:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50639 states, 29247 states have (on average 1.3005436455021029) internal successors, (38037), 30498 states have internal predecessors, (38037), 16344 states have call successors, (16344), 5056 states have call predecessors, (16344), 5047 states have return successors, (20723), 16140 states have call predecessors, (20723), 16340 states have call successors, (20723) [2023-04-03 05:18:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50639 states to 50639 states and 75104 transitions. [2023-04-03 05:18:18,179 INFO L78 Accepts]: Start accepts. Automaton has 50639 states and 75104 transitions. Word has length 558 [2023-04-03 05:18:18,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:18:18,180 INFO L495 AbstractCegarLoop]: Abstraction has 50639 states and 75104 transitions. [2023-04-03 05:18:18,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2023-04-03 05:18:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 50639 states and 75104 transitions. [2023-04-03 05:18:18,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2023-04-03 05:18:18,190 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:18:18,208 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:18:18,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 05:18:18,209 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:18:18,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:18:18,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1681264041, now seen corresponding path program 1 times [2023-04-03 05:18:18,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:18:18,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899743441] [2023-04-03 05:18:18,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:18:18,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:18:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:18:21,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2320 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 2308 trivial. 0 not checked. [2023-04-03 05:18:21,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:18:21,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899743441] [2023-04-03 05:18:21,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899743441] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:18:21,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604126647] [2023-04-03 05:18:21,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:18:21,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:18:21,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:18:21,950 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 05:18:21,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 05:18:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:18:23,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 6826 conjuncts, 13 conjunts are in the unsatisfiable core [2023-04-03 05:18:23,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:18:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2320 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 1801 trivial. 0 not checked. [2023-04-03 05:18:24,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-03 05:18:24,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604126647] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:18:24,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-03 05:18:24,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2023-04-03 05:18:24,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035717645] [2023-04-03 05:18:24,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:18:24,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 05:18:24,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:18:24,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 05:18:24,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2023-04-03 05:18:24,071 INFO L87 Difference]: Start difference. First operand 50639 states and 75104 transitions. Second operand has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (77), 4 states have call predecessors, (77), 3 states have call successors, (77) [2023-04-03 05:18:29,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:31,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:33,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:35,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:37,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:42,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:44,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:46,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:48,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:51,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:52,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:53,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:55,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:18:58,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:19:02,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:19:05,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:19:05,922 INFO L93 Difference]: Finished difference Result 151865 states and 225216 transitions. [2023-04-03 05:19:05,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-03 05:19:05,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (77), 4 states have call predecessors, (77), 3 states have call successors, (77) Word has length 571 [2023-04-03 05:19:05,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:19:06,497 INFO L225 Difference]: With dead ends: 151865 [2023-04-03 05:19:06,497 INFO L226 Difference]: Without dead ends: 101041 [2023-04-03 05:19:06,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2023-04-03 05:19:06,677 INFO L413 NwaCegarLoop]: 7798 mSDtfsCounter, 4162 mSDsluCounter, 27311 mSDsCounter, 0 mSdLazyCounter, 2811 mSolverCounterSat, 8 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4167 SdHoareTripleChecker+Valid, 35109 SdHoareTripleChecker+Invalid, 2828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2811 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2023-04-03 05:19:06,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4167 Valid, 35109 Invalid, 2828 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2811 Invalid, 9 Unknown, 0 Unchecked, 38.1s Time] [2023-04-03 05:19:06,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101041 states. [2023-04-03 05:19:10,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101041 to 100990. [2023-04-03 05:19:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100990 states, 58337 states have (on average 1.299964002262715) internal successors, (75836), 60814 states have internal predecessors, (75836), 32577 states have call successors, (32577), 10072 states have call predecessors, (32577), 10075 states have return successors, (41357), 32155 states have call predecessors, (41357), 32573 states have call successors, (41357) [2023-04-03 05:19:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100990 states to 100990 states and 149770 transitions. [2023-04-03 05:19:12,066 INFO L78 Accepts]: Start accepts. Automaton has 100990 states and 149770 transitions. Word has length 571 [2023-04-03 05:19:12,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:19:12,066 INFO L495 AbstractCegarLoop]: Abstraction has 100990 states and 149770 transitions. [2023-04-03 05:19:12,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (77), 4 states have call predecessors, (77), 3 states have call successors, (77) [2023-04-03 05:19:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 100990 states and 149770 transitions. [2023-04-03 05:19:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2023-04-03 05:19:12,106 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:19:12,106 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 05:19:12,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-03 05:19:12,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:19:12,327 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:19:12,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:19:12,328 INFO L85 PathProgramCache]: Analyzing trace with hash -950520470, now seen corresponding path program 1 times [2023-04-03 05:19:12,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:19:12,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177886133] [2023-04-03 05:19:12,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:19:12,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:19:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:19:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 2324 trivial. 0 not checked. [2023-04-03 05:19:15,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:19:15,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177886133] [2023-04-03 05:19:15,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177886133] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:19:15,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401658396] [2023-04-03 05:19:15,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:19:15,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:19:15,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:19:15,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 05:19:15,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-03 05:19:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:19:17,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 7003 conjuncts, 32 conjunts are in the unsatisfiable core [2023-04-03 05:19:17,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:19:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 2315 trivial. 0 not checked. [2023-04-03 05:19:18,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 05:19:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2023-04-03 05:19:19,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401658396] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-03 05:19:19,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-03 05:19:19,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11, 13] total 25 [2023-04-03 05:19:19,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187077715] [2023-04-03 05:19:19,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:19:19,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 05:19:19,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:19:19,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 05:19:19,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=550, Unknown=0, NotChecked=0, Total=600 [2023-04-03 05:19:19,366 INFO L87 Difference]: Start difference. First operand 100990 states and 149770 transitions. Second operand has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (85), 2 states have call predecessors, (85), 3 states have return successors, (80), 4 states have call predecessors, (80), 2 states have call successors, (80) [2023-04-03 05:19:24,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:19:26,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:19:28,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []