./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:11:06,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:11:06,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:11:06,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:11:06,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:11:06,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:11:06,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:11:06,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:11:06,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:11:06,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:11:06,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:11:06,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:11:06,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:11:06,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:11:06,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:11:06,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:11:06,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:11:06,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:11:06,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:11:06,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:11:06,340 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:11:06,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:11:06,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:11:06,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:11:06,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:11:06,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:11:06,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:11:06,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:11:06,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:11:06,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:11:06,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:11:06,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:11:06,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:11:06,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:11:06,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:11:06,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:11:06,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:11:06,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:11:06,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:11:06,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:11:06,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:11:06,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:11:06,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:11:06,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:11:06,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:11:06,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:11:06,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:11:06,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:11:06,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:11:06,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:11:06,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:11:06,383 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:11:06,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:11:06,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:11:06,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:11:06,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:11:06,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:11:06,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:11:06,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:11:06,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:11:06,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:11:06,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:11:06,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:11:06,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:11:06,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:11:06,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:11:06,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:11:06,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:11:06,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:11:06,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:11:06,387 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:11:06,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:11:06,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:11:06,387 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd [2022-07-19 23:11:06,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:11:06,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:11:06,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:11:06,647 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:11:06,648 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:11:06,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-07-19 23:11:06,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9afe64ee/fa69702f59984c3a84cd94093e6cf729/FLAG22a5390bd [2022-07-19 23:11:07,680 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:11:07,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-07-19 23:11:07,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9afe64ee/fa69702f59984c3a84cd94093e6cf729/FLAG22a5390bd [2022-07-19 23:11:08,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9afe64ee/fa69702f59984c3a84cd94093e6cf729 [2022-07-19 23:11:08,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:11:08,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:11:08,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:11:08,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:11:08,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:11:08,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:11:08" (1/1) ... [2022-07-19 23:11:08,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435a6ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:08, skipping insertion in model container [2022-07-19 23:11:08,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:11:08" (1/1) ... [2022-07-19 23:11:08,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:11:08,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:11:16,886 WARN L230 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i[723056,723069] [2022-07-19 23:11:17,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:11:17,462 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:11:18,379 WARN L230 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i[723056,723069] [2022-07-19 23:11:18,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:11:18,706 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:11:18,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18 WrapperNode [2022-07-19 23:11:18,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:11:18,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:11:18,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:11:18,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:11:18,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18" (1/1) ... [2022-07-19 23:11:19,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18" (1/1) ... [2022-07-19 23:11:19,440 INFO L137 Inliner]: procedures = 905, calls = 9947, calls flagged for inlining = 323, calls inlined = 188, statements flattened = 12684 [2022-07-19 23:11:19,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:11:19,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:11:19,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:11:19,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:11:19,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18" (1/1) ... [2022-07-19 23:11:19,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18" (1/1) ... [2022-07-19 23:11:19,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18" (1/1) ... [2022-07-19 23:11:19,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18" (1/1) ... [2022-07-19 23:11:19,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18" (1/1) ... [2022-07-19 23:11:19,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18" (1/1) ... [2022-07-19 23:11:20,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18" (1/1) ... [2022-07-19 23:11:20,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:11:20,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:11:20,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:11:20,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:11:20,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18" (1/1) ... [2022-07-19 23:11:20,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:11:20,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:11:20,225 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) [2022-07-19 23:11:20,254 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 [2022-07-19 23:11:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM_page [2022-07-19 23:11:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM_page [2022-07-19 23:11:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-19 23:11:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-07-19 23:11:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-07-19 23:11:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_status_to_errno [2022-07-19 23:11:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_status_to_errno [2022-07-19 23:11:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icms [2022-07-19 23:11:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icms [2022-07-19 23:11:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:11:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:11:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-19 23:11:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-19 23:11:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-19 23:11:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-19 23:11:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_key [2022-07-19 23:11:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_key [2022-07-19 23:11:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure key_to_hw_index [2022-07-19 23:11:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure key_to_hw_index [2022-07-19 23:11:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-19 23:11:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-19 23:11:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-07-19 23:11:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-07-19 23:11:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-19 23:11:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-19 23:11:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_icm [2022-07-19 23:11:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_icm [2022-07-19 23:11:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-19 23:11:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-19 23:11:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uarc_virt [2022-07-19 23:11:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uarc_virt [2022-07-19 23:11:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-07-19 23:11:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-07-19 23:11:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-19 23:11:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-19 23:11:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2022-07-19 23:11:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2022-07-19 23:11:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:11:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:11:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2022-07-19 23:11:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2022-07-19 23:11:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_cleanup [2022-07-19 23:11:20,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_cleanup [2022-07-19 23:11:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_device [2022-07-19 23:11:20,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_device [2022-07-19 23:11:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:11:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:11:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2022-07-19 23:11:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2022-07-19 23:11:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_region [2022-07-19 23:11:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_region [2022-07-19 23:11:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:11:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:11:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-07-19 23:11:20,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-07-19 23:11:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure pci_pcie_cap [2022-07-19 23:11:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_pcie_cap [2022-07-19 23:11:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CLOSE_IB [2022-07-19 23:11:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CLOSE_IB [2022-07-19 23:11:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure clear_page [2022-07-19 23:11:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_page [2022-07-19 23:11:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_alloc [2022-07-19 23:11:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_alloc [2022-07-19 23:11:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:11:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_init_one [2022-07-19 23:11:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_init_one [2022-07-19 23:11:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_create_eq [2022-07-19 23:11:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_create_eq [2022-07-19 23:11:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt [2022-07-19 23:11:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt [2022-07-19 23:11:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm_table [2022-07-19 23:11:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm_table [2022-07-19 23:11:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_catas_cleanup [2022-07-19 23:11:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_catas_cleanup [2022-07-19 23:11:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure hw_index_to_key [2022-07-19 23:11:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_index_to_key [2022-07-19 23:11:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-19 23:11:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-19 23:11:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64_raw [2022-07-19 23:11:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64_raw [2022-07-19 23:11:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-19 23:11:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-19 23:11:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_use_polling [2022-07-19 23:11:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_use_polling [2022-07-19 23:11:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-19 23:11:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-19 23:11:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm_table [2022-07-19 23:11:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm_table [2022-07-19 23:11:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:11:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt_range [2022-07-19 23:11:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt_range [2022-07-19 23:11:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-19 23:11:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-19 23:11:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:11:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:11:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-19 23:11:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-19 23:11:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 23:11:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-19 23:11:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-19 23:11:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_free [2022-07-19 23:11:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_free [2022-07-19 23:11:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_cleanup [2022-07-19 23:11:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_cleanup [2022-07-19 23:11:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_eq_req_not [2022-07-19 23:11:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_eq_req_not [2022-07-19 23:11:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-19 23:11:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-19 23:11:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2022-07-19 23:11:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2022-07-19 23:11:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:11:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:11:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_cleanup [2022-07-19 23:11:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_cleanup [2022-07-19 23:11:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_eq_table [2022-07-19 23:11:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_eq_table [2022-07-19 23:11:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-19 23:11:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-19 23:11:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:11:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:11:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-19 23:11:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-19 23:11:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:11:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:11:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:11:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-19 23:11:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-19 23:11:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_av_table [2022-07-19 23:11:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_av_table [2022-07-19 23:11:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm [2022-07-19 23:11:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm [2022-07-19 23:11:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_alloc_mtt [2022-07-19 23:11:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_alloc_mtt [2022-07-19 23:11:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-07-19 23:11:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-07-19 23:11:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:11:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:11:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:11:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:11:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_is_memfree [2022-07-19 23:11:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_is_memfree [2022-07-19 23:11:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_eq_req_not [2022-07-19 23:11:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_eq_req_not [2022-07-19 23:11:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM [2022-07-19 23:11:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM [2022-07-19 23:11:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:11:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:11:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure set_eqe_hw [2022-07-19 23:11:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure set_eqe_hw [2022-07-19 23:11:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-19 23:11:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-19 23:11:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-19 23:11:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-19 23:11:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:11:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-19 23:11:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-19 23:11:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_update_rate [2022-07-19 23:11:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_update_rate [2022-07-19 23:11:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:11:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM [2022-07-19 23:11:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM [2022-07-19 23:11:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_init [2022-07-19 23:11:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_init [2022-07-19 23:11:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-19 23:11:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-19 23:11:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-19 23:11:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-19 23:11:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_uar_table [2022-07-19 23:11:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_uar_table [2022-07-19 23:11:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-19 23:11:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-19 23:11:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-19 23:11:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-19 23:11:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_addr [2022-07-19 23:11:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_addr [2022-07-19 23:11:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-19 23:11:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-19 23:11:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-19 23:11:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-19 23:11:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-19 23:11:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-19 23:11:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-19 23:11:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-19 23:11:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mtt [2022-07-19 23:11:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mtt [2022-07-19 23:11:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure go_bit [2022-07-19 23:11:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure go_bit [2022-07-19 23:11:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:11:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free [2022-07-19 23:11:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free [2022-07-19 23:11:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-07-19 23:11:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-07-19 23:11:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-19 23:11:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-19 23:11:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:11:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:11:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mthca_device_mutex [2022-07-19 23:11:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mthca_device_mutex [2022-07-19 23:11:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SW2HW_MPT [2022-07-19 23:11:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SW2HW_MPT [2022-07-19 23:11:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_write_word [2022-07-19 23:11:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_write_word [2022-07-19 23:11:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_irqs [2022-07-19 23:11:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_irqs [2022-07-19 23:11:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mr_table [2022-07-19 23:11:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mr_table [2022-07-19 23:11:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2022-07-19 23:11:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2022-07-19 23:11:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_GET [2022-07-19 23:11:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-19 23:11:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-19 23:11:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-19 23:11:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-19 23:11:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_notrans [2022-07-19 23:11:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_notrans [2022-07-19 23:11:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-07-19 23:11:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-07-19 23:11:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-19 23:11:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-19 23:11:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_put [2022-07-19 23:11:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_put [2022-07-19 23:11:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc [2022-07-19 23:11:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc [2022-07-19 23:11:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64 [2022-07-19 23:11:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64 [2022-07-19 23:11:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-19 23:11:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-19 23:11:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_imm [2022-07-19 23:11:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_imm [2022-07-19 23:11:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mcg_table [2022-07-19 23:11:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mcg_table [2022-07-19 23:11:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_qp_table [2022-07-19 23:11:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_qp_table [2022-07-19 23:11:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-19 23:11:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-19 23:11:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_device [2022-07-19 23:11:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_device [2022-07-19 23:11:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2022-07-19 23:11:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2022-07-19 23:11:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-19 23:11:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-19 23:11:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-19 23:11:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-19 23:11:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_INIT_HCA [2022-07-19 23:11:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_INIT_HCA [2022-07-19 23:11:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_hw_index_to_key [2022-07-19 23:11:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_hw_index_to_key [2022-07-19 23:11:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:11:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:11:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-19 23:11:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-19 23:11:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-19 23:11:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-19 23:11:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_cq_table [2022-07-19 23:11:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_cq_table [2022-07-19 23:11:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_cleanup [2022-07-19 23:11:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_cleanup [2022-07-19 23:11:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:11:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:11:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_close_hca [2022-07-19 23:11:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_close_hca [2022-07-19 23:11:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_EQ [2022-07-19 23:11:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_EQ [2022-07-19 23:11:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure down [2022-07-19 23:11:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2022-07-19 23:11:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-19 23:11:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-19 23:11:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAD_IFC [2022-07-19 23:11:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAD_IFC [2022-07-19 23:11:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_cmd [2022-07-19 23:11:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_cmd [2022-07-19 23:11:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-07-19 23:11:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-07-19 23:11:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:11:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-07-19 23:11:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-07-19 23:11:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_eq [2022-07-19 23:11:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_eq [2022-07-19 23:11:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_alloc [2022-07-19 23:11:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_alloc [2022-07-19 23:11:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mailbox [2022-07-19 23:11:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mailbox [2022-07-19 23:11:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-19 23:11:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-19 23:11:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-19 23:11:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-19 23:11:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 23:11:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_DISABLE_LAM [2022-07-19 23:11:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_DISABLE_LAM [2022-07-19 23:11:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-19 23:11:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-19 23:11:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 23:11:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-07-19 23:11:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-07-19 23:11:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_alloc [2022-07-19 23:11:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_alloc [2022-07-19 23:11:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2022-07-19 23:11:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2022-07-19 23:11:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mthca_device_mutex [2022-07-19 23:11:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mthca_device_mutex [2022-07-19 23:11:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_setup_hca [2022-07-19 23:11:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_setup_hca [2022-07-19 23:11:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:11:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:11:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc [2022-07-19 23:11:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc [2022-07-19 23:11:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CONF_SPECIAL_QP [2022-07-19 23:11:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CONF_SPECIAL_QP [2022-07-19 23:11:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_reg [2022-07-19 23:11:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_reg [2022-07-19 23:11:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_check_profile_val [2022-07-19 23:11:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_check_profile_val [2022-07-19 23:11:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2022-07-19 23:11:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2022-07-19 23:11:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_FA [2022-07-19 23:11:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_FA [2022-07-19 23:11:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_free [2022-07-19 23:11:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_free [2022-07-19 23:11:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-07-19 23:11:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-07-19 23:11:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt_size [2022-07-19 23:11:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt_size [2022-07-19 23:11:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure dma_get_cache_alignment [2022-07-19 23:11:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_get_cache_alignment [2022-07-19 23:11:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mr [2022-07-19 23:11:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mr [2022-07-19 23:11:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mailbox [2022-07-19 23:11:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mailbox [2022-07-19 23:11:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-19 23:11:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-19 23:11:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-19 23:11:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-19 23:11:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_dev_lim [2022-07-19 23:11:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_dev_lim [2022-07-19 23:11:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2022-07-19 23:11:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2022-07-19 23:11:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_hw_index_to_key [2022-07-19 23:11:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_hw_index_to_key [2022-07-19 23:11:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_QUERY_FW [2022-07-19 23:11:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_QUERY_FW [2022-07-19 23:11:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-07-19 23:11:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-07-19 23:11:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-19 23:11:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-19 23:11:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SYS_DIS [2022-07-19 23:11:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SYS_DIS [2022-07-19 23:11:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_init [2022-07-19 23:11:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_init [2022-07-19 23:11:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_box [2022-07-19 23:11:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_box [2022-07-19 23:11:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:11:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-07-19 23:11:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-07-19 23:11:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-19 23:11:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-19 23:11:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_make_profile [2022-07-19 23:11:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_make_profile [2022-07-19 23:11:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2022-07-19 23:11:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2022-07-19 23:11:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-19 23:11:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-19 23:11:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unregister_device [2022-07-19 23:11:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unregister_device [2022-07-19 23:11:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_key_to_hw_index [2022-07-19 23:11:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_key_to_hw_index [2022-07-19 23:11:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-07-19 23:11:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-07-19 23:11:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-19 23:11:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-19 23:11:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-19 23:11:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-19 23:11:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-19 23:11:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-19 23:11:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-19 23:11:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-19 23:11:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:11:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_find [2022-07-19 23:11:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_find [2022-07-19 23:11:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm [2022-07-19 23:11:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm [2022-07-19 23:11:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_size [2022-07-19 23:11:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_size [2022-07-19 23:11:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-19 23:11:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-19 23:11:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-19 23:11:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-19 23:11:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_srq_table [2022-07-19 23:11:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_srq_table [2022-07-19 23:11:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_poll [2022-07-19 23:11:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_poll [2022-07-19 23:11:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM_AUX [2022-07-19 23:11:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM_AUX [2022-07-19 23:11:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2022-07-19 23:11:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2022-07-19 23:11:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_wait [2022-07-19 23:11:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_wait [2022-07-19 23:11:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_phys [2022-07-19 23:11:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_phys [2022-07-19 23:11:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2022-07-19 23:11:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2022-07-19 23:11:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:11:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:11:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure get_eqe [2022-07-19 23:11:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eqe [2022-07-19 23:11:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure async_mask [2022-07-19 23:11:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mask [2022-07-19 23:11:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_init [2022-07-19 23:11:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_init [2022-07-19 23:11:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_free [2022-07-19 23:11:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_free [2022-07-19 23:11:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd [2022-07-19 23:11:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd [2022-07-19 23:11:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-19 23:11:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-19 23:11:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_get [2022-07-19 23:11:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_get [2022-07-19 23:11:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_remove_one [2022-07-19 23:11:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_remove_one [2022-07-19 23:11:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-19 23:11:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-19 23:11:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_pd_table [2022-07-19 23:11:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_pd_table [2022-07-19 23:11:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure init_query_mad [2022-07-19 23:11:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure init_query_mad [2022-07-19 23:11:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-19 23:11:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-19 23:11:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-07-19 23:11:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-07-19 23:11:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_post [2022-07-19 23:11:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_post [2022-07-19 23:11:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 23:11:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 23:11:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-19 23:11:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-19 23:11:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:11:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_regs [2022-07-19 23:11:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_regs [2022-07-19 23:11:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_PUT [2022-07-19 23:11:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt [2022-07-19 23:11:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt [2022-07-19 23:11:21,619 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:11:21,624 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:11:58,137 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:11:58,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:11:58,168 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:11:58,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:11:58 BoogieIcfgContainer [2022-07-19 23:11:58,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:11:58,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:11:58,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:11:58,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:11:58,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:11:08" (1/3) ... [2022-07-19 23:11:58,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63300872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:11:58, skipping insertion in model container [2022-07-19 23:11:58,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:11:18" (2/3) ... [2022-07-19 23:11:58,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63300872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:11:58, skipping insertion in model container [2022-07-19 23:11:58,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:11:58" (3/3) ... [2022-07-19 23:11:58,188 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-07-19 23:11:58,201 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:11:58,201 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:11:58,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:11:58,353 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@38f6281b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@12322a47 [2022-07-19 23:11:58,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:11:58,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 5017 states, 3592 states have (on average 1.3791759465478841) internal successors, (4954), 3661 states have internal predecessors, (4954), 1213 states have call successors, (1213), 210 states have call predecessors, (1213), 210 states have return successors, (1213), 1213 states have call predecessors, (1213), 1213 states have call successors, (1213) [2022-07-19 23:11:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-19 23:11:58,379 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:11:58,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:11:58,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:11:58,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:11:58,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1106398898, now seen corresponding path program 1 times [2022-07-19 23:11:58,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:11:58,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835993265] [2022-07-19 23:11:58,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:11:58,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:11:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:11:59,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:11:59,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:11:59,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835993265] [2022-07-19 23:11:59,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835993265] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:11:59,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:11:59,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:11:59,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996369827] [2022-07-19 23:11:59,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:11:59,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:11:59,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:11:59,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:11:59,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:11:59,086 INFO L87 Difference]: Start difference. First operand has 5017 states, 3592 states have (on average 1.3791759465478841) internal successors, (4954), 3661 states have internal predecessors, (4954), 1213 states have call successors, (1213), 210 states have call predecessors, (1213), 210 states have return successors, (1213), 1213 states have call predecessors, (1213), 1213 states have call successors, (1213) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:11:59,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:11:59,556 INFO L93 Difference]: Finished difference Result 10153 states and 15210 transitions. [2022-07-19 23:11:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:11:59,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-07-19 23:11:59,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:11:59,612 INFO L225 Difference]: With dead ends: 10153 [2022-07-19 23:11:59,612 INFO L226 Difference]: Without dead ends: 5113 [2022-07-19 23:11:59,655 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 [2022-07-19 23:11:59,659 INFO L413 NwaCegarLoop]: 7333 mSDtfsCounter, 198 mSDsluCounter, 7306 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 14639 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:11:59,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 14639 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:11:59,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5113 states. [2022-07-19 23:11:59,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5113 to 5083. [2022-07-19 23:11:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5083 states, 3642 states have (on average 1.3747940691927512) internal successors, (5007), 3710 states have internal predecessors, (5007), 1225 states have call successors, (1225), 216 states have call predecessors, (1225), 215 states have return successors, (1206), 1205 states have call predecessors, (1206), 1206 states have call successors, (1206) [2022-07-19 23:11:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 7438 transitions. [2022-07-19 23:11:59,961 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 7438 transitions. Word has length 18 [2022-07-19 23:11:59,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:11:59,961 INFO L495 AbstractCegarLoop]: Abstraction has 5083 states and 7438 transitions. [2022-07-19 23:11:59,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:11:59,962 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 7438 transitions. [2022-07-19 23:11:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-19 23:11:59,963 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:11:59,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:11:59,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:11:59,964 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:11:59,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:11:59,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1003916877, now seen corresponding path program 1 times [2022-07-19 23:11:59,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:11:59,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583645101] [2022-07-19 23:11:59,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:11:59,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:12:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:12:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:12:00,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:12:00,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583645101] [2022-07-19 23:12:00,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583645101] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:00,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:00,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:12:00,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093062705] [2022-07-19 23:12:00,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:00,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:12:00,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:12:00,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:12:00,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:00,398 INFO L87 Difference]: Start difference. First operand 5083 states and 7438 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:12:00,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:00,880 INFO L93 Difference]: Finished difference Result 15129 states and 22144 transitions. [2022-07-19 23:12:00,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:12:00,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-07-19 23:12:00,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:00,946 INFO L225 Difference]: With dead ends: 15129 [2022-07-19 23:12:00,947 INFO L226 Difference]: Without dead ends: 10049 [2022-07-19 23:12:00,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:12:00,979 INFO L413 NwaCegarLoop]: 14353 mSDtfsCounter, 7221 mSDsluCounter, 7216 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7221 SdHoareTripleChecker+Valid, 21569 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:00,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7221 Valid, 21569 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 23:12:00,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10049 states. [2022-07-19 23:12:01,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10049 to 10035. [2022-07-19 23:12:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10035 states, 7208 states have (on average 1.3738901220865705) internal successors, (9903), 7324 states have internal predecessors, (9903), 2403 states have call successors, (2403), 424 states have call predecessors, (2403), 423 states have return successors, (2384), 2384 states have call predecessors, (2384), 2384 states have call successors, (2384) [2022-07-19 23:12:01,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10035 states to 10035 states and 14690 transitions. [2022-07-19 23:12:01,398 INFO L78 Accepts]: Start accepts. Automaton has 10035 states and 14690 transitions. Word has length 21 [2022-07-19 23:12:01,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:01,399 INFO L495 AbstractCegarLoop]: Abstraction has 10035 states and 14690 transitions. [2022-07-19 23:12:01,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:12:01,400 INFO L276 IsEmpty]: Start isEmpty. Operand 10035 states and 14690 transitions. [2022-07-19 23:12:01,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-19 23:12:01,408 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:01,408 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:01,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:12:01,409 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:01,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:01,409 INFO L85 PathProgramCache]: Analyzing trace with hash -172954937, now seen corresponding path program 1 times [2022-07-19 23:12:01,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:12:01,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652757281] [2022-07-19 23:12:01,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:01,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:12:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:01,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:12:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:01,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 23:12:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:01,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 23:12:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:12:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:12:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:12:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 23:12:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:01,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 23:12:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:01,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:12:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:01,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:12:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-19 23:12:01,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:12:01,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652757281] [2022-07-19 23:12:01,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652757281] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:01,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:01,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:12:01,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471181642] [2022-07-19 23:12:01,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:01,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:12:01,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:12:01,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:12:01,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:12:01,923 INFO L87 Difference]: Start difference. First operand 10035 states and 14690 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:12:05,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:07,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:10,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:14,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:19,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:21,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:23,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:25,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:12:28,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:35,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:38,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:40,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:40,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:12:40,434 INFO L93 Difference]: Finished difference Result 22186 states and 32442 transitions. [2022-07-19 23:12:40,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:12:40,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 91 [2022-07-19 23:12:40,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:12:40,525 INFO L225 Difference]: With dead ends: 22186 [2022-07-19 23:12:40,525 INFO L226 Difference]: Without dead ends: 12154 [2022-07-19 23:12:40,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:12:40,580 INFO L413 NwaCegarLoop]: 7016 mSDtfsCounter, 7652 mSDsluCounter, 3527 mSDsCounter, 0 mSdLazyCounter, 3342 mSolverCounterSat, 2392 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8583 SdHoareTripleChecker+Valid, 10543 SdHoareTripleChecker+Invalid, 5743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2392 IncrementalHoareTripleChecker+Valid, 3342 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.7s IncrementalHoareTripleChecker+Time [2022-07-19 23:12:40,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8583 Valid, 10543 Invalid, 5743 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2392 Valid, 3342 Invalid, 9 Unknown, 0 Unchecked, 37.7s Time] [2022-07-19 23:12:40,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12154 states. [2022-07-19 23:12:41,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12154 to 11200. [2022-07-19 23:12:41,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11200 states, 7972 states have (on average 1.3563723030607124) internal successors, (10813), 8104 states have internal predecessors, (10813), 2677 states have call successors, (2677), 551 states have call predecessors, (2677), 550 states have return successors, (2658), 2656 states have call predecessors, (2658), 2658 states have call successors, (2658) [2022-07-19 23:12:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11200 states to 11200 states and 16148 transitions. [2022-07-19 23:12:41,292 INFO L78 Accepts]: Start accepts. Automaton has 11200 states and 16148 transitions. Word has length 91 [2022-07-19 23:12:41,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:12:41,295 INFO L495 AbstractCegarLoop]: Abstraction has 11200 states and 16148 transitions. [2022-07-19 23:12:41,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 23:12:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 11200 states and 16148 transitions. [2022-07-19 23:12:41,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-19 23:12:41,298 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:12:41,298 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:12:41,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:12:41,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:12:41,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:12:41,299 INFO L85 PathProgramCache]: Analyzing trace with hash 45899781, now seen corresponding path program 1 times [2022-07-19 23:12:41,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:12:41,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515277823] [2022-07-19 23:12:41,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:12:41,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:12:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:12:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 23:12:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 23:12:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:12:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:12:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:12:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 23:12:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 23:12:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:12:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:12:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:12:41,767 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-19 23:12:41,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:12:41,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515277823] [2022-07-19 23:12:41,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515277823] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:12:41,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:12:41,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:12:41,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973009226] [2022-07-19 23:12:41,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:12:41,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:12:41,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:12:41,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:12:41,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:12:41,770 INFO L87 Difference]: Start difference. First operand 11200 states and 16148 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-19 23:12:45,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:47,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:50,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:12:54,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:02,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:13:05,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:13,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:16,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:18,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:19,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:13:19,112 INFO L93 Difference]: Finished difference Result 12210 states and 17832 transitions. [2022-07-19 23:13:19,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:13:19,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 91 [2022-07-19 23:13:19,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:13:19,179 INFO L225 Difference]: With dead ends: 12210 [2022-07-19 23:13:19,180 INFO L226 Difference]: Without dead ends: 12181 [2022-07-19 23:13:19,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:13:19,189 INFO L413 NwaCegarLoop]: 7071 mSDtfsCounter, 7656 mSDsluCounter, 3587 mSDsCounter, 0 mSdLazyCounter, 3348 mSolverCounterSat, 2381 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8591 SdHoareTripleChecker+Valid, 10658 SdHoareTripleChecker+Invalid, 5738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2381 IncrementalHoareTripleChecker+Valid, 3348 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:13:19,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8591 Valid, 10658 Invalid, 5738 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2381 Valid, 3348 Invalid, 9 Unknown, 0 Unchecked, 36.5s Time] [2022-07-19 23:13:19,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12181 states. [2022-07-19 23:13:19,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12181 to 11200. [2022-07-19 23:13:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11200 states, 7972 states have (on average 1.3562468640240843) internal successors, (10812), 8104 states have internal predecessors, (10812), 2677 states have call successors, (2677), 551 states have call predecessors, (2677), 550 states have return successors, (2658), 2656 states have call predecessors, (2658), 2658 states have call successors, (2658) [2022-07-19 23:13:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11200 states to 11200 states and 16147 transitions. [2022-07-19 23:13:19,716 INFO L78 Accepts]: Start accepts. Automaton has 11200 states and 16147 transitions. Word has length 91 [2022-07-19 23:13:19,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:13:19,717 INFO L495 AbstractCegarLoop]: Abstraction has 11200 states and 16147 transitions. [2022-07-19 23:13:19,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-19 23:13:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 11200 states and 16147 transitions. [2022-07-19 23:13:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-19 23:13:19,720 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:13:19,720 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:13:19,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 23:13:19,721 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:13:19,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:13:19,721 INFO L85 PathProgramCache]: Analyzing trace with hash 103158083, now seen corresponding path program 1 times [2022-07-19 23:13:19,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:13:19,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937206917] [2022-07-19 23:13:19,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:13:19,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:13:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:13:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:20,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 23:13:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:20,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 23:13:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:20,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:13:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:13:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:20,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:13:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:20,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 23:13:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:20,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 23:13:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:13:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:20,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:13:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-19 23:13:20,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:13:20,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937206917] [2022-07-19 23:13:20,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937206917] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:13:20,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:13:20,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:13:20,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612218088] [2022-07-19 23:13:20,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:13:20,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:13:20,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:13:20,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:13:20,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:13:20,243 INFO L87 Difference]: Start difference. First operand 11200 states and 16147 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-19 23:13:23,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:25,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:29,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:36,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:13:38,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:45,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:48,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:50,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:51,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:13:51,036 INFO L93 Difference]: Finished difference Result 12260 states and 17861 transitions. [2022-07-19 23:13:51,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:13:51,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 91 [2022-07-19 23:13:51,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:13:51,089 INFO L225 Difference]: With dead ends: 12260 [2022-07-19 23:13:51,089 INFO L226 Difference]: Without dead ends: 12257 [2022-07-19 23:13:51,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:13:51,100 INFO L413 NwaCegarLoop]: 6883 mSDtfsCounter, 7412 mSDsluCounter, 3246 mSDsCounter, 0 mSdLazyCounter, 2748 mSolverCounterSat, 2292 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8244 SdHoareTripleChecker+Valid, 10129 SdHoareTripleChecker+Invalid, 5047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2292 IncrementalHoareTripleChecker+Valid, 2748 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:13:51,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8244 Valid, 10129 Invalid, 5047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2292 Valid, 2748 Invalid, 7 Unknown, 0 Unchecked, 30.2s Time] [2022-07-19 23:13:51,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12257 states. [2022-07-19 23:13:51,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12257 to 11293. [2022-07-19 23:13:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11293 states, 8038 states have (on average 1.3541925852202041) internal successors, (10885), 8169 states have internal predecessors, (10885), 2682 states have call successors, (2682), 573 states have call predecessors, (2682), 572 states have return successors, (2664), 2662 states have call predecessors, (2664), 2664 states have call successors, (2664) [2022-07-19 23:13:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11293 states to 11293 states and 16231 transitions. [2022-07-19 23:13:51,627 INFO L78 Accepts]: Start accepts. Automaton has 11293 states and 16231 transitions. Word has length 91 [2022-07-19 23:13:51,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:13:51,627 INFO L495 AbstractCegarLoop]: Abstraction has 11293 states and 16231 transitions. [2022-07-19 23:13:51,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-19 23:13:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 11293 states and 16231 transitions. [2022-07-19 23:13:51,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-19 23:13:51,633 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:13:51,633 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:13:51,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 23:13:51,634 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:13:51,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:13:51,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1099147578, now seen corresponding path program 1 times [2022-07-19 23:13:51,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:13:51,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551860736] [2022-07-19 23:13:51,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:13:51,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:13:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:51,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:13:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:51,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 23:13:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:51,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 23:13:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:13:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:13:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:13:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 23:13:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 23:13:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:52,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:13:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:13:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:13:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-19 23:13:52,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:13:52,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551860736] [2022-07-19 23:13:52,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551860736] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:13:52,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:13:52,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:13:52,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675844114] [2022-07-19 23:13:52,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:13:52,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:13:52,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:13:52,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:13:52,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:13:52,101 INFO L87 Difference]: Start difference. First operand 11293 states and 16231 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-19 23:13:55,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:13:57,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:02,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:08,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:14:10,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:16,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:19,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:22,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:22,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:14:22,277 INFO L93 Difference]: Finished difference Result 12259 states and 17859 transitions. [2022-07-19 23:14:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:14:22,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 92 [2022-07-19 23:14:22,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:14:22,336 INFO L225 Difference]: With dead ends: 12259 [2022-07-19 23:14:22,336 INFO L226 Difference]: Without dead ends: 12256 [2022-07-19 23:14:22,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:14:22,348 INFO L413 NwaCegarLoop]: 6897 mSDtfsCounter, 7396 mSDsluCounter, 3243 mSDsCounter, 0 mSdLazyCounter, 2750 mSolverCounterSat, 2284 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8229 SdHoareTripleChecker+Valid, 10140 SdHoareTripleChecker+Invalid, 5042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2284 IncrementalHoareTripleChecker+Valid, 2750 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:14:22,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8229 Valid, 10140 Invalid, 5042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2284 Valid, 2750 Invalid, 8 Unknown, 0 Unchecked, 29.5s Time] [2022-07-19 23:14:22,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12256 states. [2022-07-19 23:14:22,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12256 to 11292. [2022-07-19 23:14:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11292 states, 8038 states have (on average 1.3540681761632247) internal successors, (10884), 8168 states have internal predecessors, (10884), 2681 states have call successors, (2681), 573 states have call predecessors, (2681), 572 states have return successors, (2664), 2662 states have call predecessors, (2664), 2664 states have call successors, (2664) [2022-07-19 23:14:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11292 states to 11292 states and 16229 transitions. [2022-07-19 23:14:22,889 INFO L78 Accepts]: Start accepts. Automaton has 11292 states and 16229 transitions. Word has length 92 [2022-07-19 23:14:22,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:14:22,889 INFO L495 AbstractCegarLoop]: Abstraction has 11292 states and 16229 transitions. [2022-07-19 23:14:22,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-19 23:14:22,890 INFO L276 IsEmpty]: Start isEmpty. Operand 11292 states and 16229 transitions. [2022-07-19 23:14:22,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-19 23:14:22,890 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:14:22,890 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:14:22,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 23:14:22,891 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:14:22,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:14:22,891 INFO L85 PathProgramCache]: Analyzing trace with hash 284087462, now seen corresponding path program 1 times [2022-07-19 23:14:22,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:14:22,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625767487] [2022-07-19 23:14:22,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:14:22,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:14:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:23,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:14:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 23:14:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:23,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 23:14:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:23,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:14:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:23,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:14:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:23,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:14:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 23:14:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:23,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 23:14:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:14:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:14:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:14:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-19 23:14:23,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:14:23,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625767487] [2022-07-19 23:14:23,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625767487] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:14:23,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:14:23,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:14:23,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478193192] [2022-07-19 23:14:23,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:14:23,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:14:23,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:14:23,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:14:23,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:14:23,414 INFO L87 Difference]: Start difference. First operand 11292 states and 16229 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-19 23:14:27,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:29,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:31,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:35,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:41,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:14:43,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:51,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:55,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:14:58,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:15:01,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:15:07,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:15:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:15:07,818 INFO L93 Difference]: Finished difference Result 18062 states and 26148 transitions. [2022-07-19 23:15:07,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:15:07,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 93 [2022-07-19 23:15:07,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:15:07,898 INFO L225 Difference]: With dead ends: 18062 [2022-07-19 23:15:07,898 INFO L226 Difference]: Without dead ends: 18058 [2022-07-19 23:15:07,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:15:07,910 INFO L413 NwaCegarLoop]: 7508 mSDtfsCounter, 8287 mSDsluCounter, 5736 mSDsCounter, 0 mSdLazyCounter, 4691 mSolverCounterSat, 2851 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9295 SdHoareTripleChecker+Valid, 13244 SdHoareTripleChecker+Invalid, 7553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2851 IncrementalHoareTripleChecker+Valid, 4691 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:15:07,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9295 Valid, 13244 Invalid, 7553 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2851 Valid, 4691 Invalid, 11 Unknown, 0 Unchecked, 43.5s Time] [2022-07-19 23:15:07,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18058 states. [2022-07-19 23:15:08,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18058 to 16900. [2022-07-19 23:15:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16900 states, 11950 states have (on average 1.33907949790795) internal successors, (16002), 12224 states have internal predecessors, (16002), 3951 states have call successors, (3951), 975 states have call predecessors, (3951), 998 states have return successors, (4236), 3868 states have call predecessors, (4236), 3934 states have call successors, (4236) [2022-07-19 23:15:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16900 states to 16900 states and 24189 transitions. [2022-07-19 23:15:08,651 INFO L78 Accepts]: Start accepts. Automaton has 16900 states and 24189 transitions. Word has length 93 [2022-07-19 23:15:08,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:15:08,652 INFO L495 AbstractCegarLoop]: Abstraction has 16900 states and 24189 transitions. [2022-07-19 23:15:08,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-19 23:15:08,652 INFO L276 IsEmpty]: Start isEmpty. Operand 16900 states and 24189 transitions. [2022-07-19 23:15:08,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-19 23:15:08,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:15:08,653 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:15:08,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 23:15:08,654 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:15:08,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:15:08,654 INFO L85 PathProgramCache]: Analyzing trace with hash 214705609, now seen corresponding path program 1 times [2022-07-19 23:15:08,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:15:08,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473215611] [2022-07-19 23:15:08,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:15:08,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:15:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:15:08,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:15:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:15:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18