./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 f4b24e32 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-?-f4b24e3 [2022-07-13 23:48:44,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:48:44,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:48:44,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:48:44,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:48:44,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:48:44,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:48:44,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:48:44,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:48:44,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:48:44,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:48:44,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:48:44,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:48:44,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:48:44,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:48:44,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:48:44,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:48:44,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:48:44,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:48:44,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:48:44,451 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:48:44,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:48:44,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:48:44,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:48:44,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:48:44,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:48:44,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:48:44,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:48:44,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:48:44,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:48:44,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:48:44,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:48:44,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:48:44,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:48:44,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:48:44,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:48:44,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:48:44,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:48:44,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:48:44,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:48:44,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:48:44,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:48:44,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:48:44,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:48:44,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:48:44,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:48:44,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:48:44,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:48:44,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:48:44,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:48:44,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:48:44,504 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:48:44,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:48:44,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:48:44,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:48:44,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:48:44,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:48:44,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:48:44,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:48:44,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:48:44,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:48:44,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:48:44,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:48:44,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:48:44,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:48:44,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:48:44,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:48:44,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:48:44,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:48:44,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:48:44,508 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:48:44,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:48:44,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:48:44,509 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd [2022-07-13 23:48:44,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:48:44,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:48:44,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:48:44,820 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:48:44,822 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:48:44,825 INFO L432 ainManager$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 [2022-07-13 23:48:44,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc30be100/53b44837cc004761aa8b1cb1caca40c8/FLAG709755272 [2022-07-13 23:48:45,911 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:48:45,912 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 [2022-07-13 23:48:45,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc30be100/53b44837cc004761aa8b1cb1caca40c8/FLAG709755272 [2022-07-13 23:48:46,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc30be100/53b44837cc004761aa8b1cb1caca40c8 [2022-07-13 23:48:46,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:48:46,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:48:46,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:48:46,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:48:46,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:48:46,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:48:46" (1/1) ... [2022-07-13 23:48:46,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4922ccb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:46, skipping insertion in model container [2022-07-13 23:48:46,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:48:46" (1/1) ... [2022-07-13 23:48:46,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:48:46,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:48:57,233 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] [2022-07-13 23:48:57,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:48:57,887 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:48:59,164 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] [2022-07-13 23:48:59,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:48:59,541 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:48:59,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59 WrapperNode [2022-07-13 23:48:59,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:48:59,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:48:59,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:48:59,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:48:59,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59" (1/1) ... [2022-07-13 23:49:00,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59" (1/1) ... [2022-07-13 23:49:00,396 INFO L137 Inliner]: procedures = 905, calls = 9947, calls flagged for inlining = 323, calls inlined = 188, statements flattened = 12684 [2022-07-13 23:49:00,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:49:00,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:49:00,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:49:00,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:49:00,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59" (1/1) ... [2022-07-13 23:49:00,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59" (1/1) ... [2022-07-13 23:49:00,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59" (1/1) ... [2022-07-13 23:49:00,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59" (1/1) ... [2022-07-13 23:49:00,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59" (1/1) ... [2022-07-13 23:49:00,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59" (1/1) ... [2022-07-13 23:49:00,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59" (1/1) ... [2022-07-13 23:49:01,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:49:01,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:49:01,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:49:01,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:49:01,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59" (1/1) ... [2022-07-13 23:49:01,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:49:01,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:49:01,193 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) [2022-07-13 23:49:01,246 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 [2022-07-13 23:49:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM_page [2022-07-13 23:49:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM_page [2022-07-13 23:49:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-13 23:49:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-07-13 23:49:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-07-13 23:49:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_status_to_errno [2022-07-13 23:49:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_status_to_errno [2022-07-13 23:49:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icms [2022-07-13 23:49:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icms [2022-07-13 23:49:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-13 23:49:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-13 23:49:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-13 23:49:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-13 23:49:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-13 23:49:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-13 23:49:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_key [2022-07-13 23:49:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_key [2022-07-13 23:49:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure key_to_hw_index [2022-07-13 23:49:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure key_to_hw_index [2022-07-13 23:49:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-13 23:49:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-13 23:49:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-07-13 23:49:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-07-13 23:49:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-13 23:49:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-13 23:49:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_icm [2022-07-13 23:49:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_icm [2022-07-13 23:49:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-13 23:49:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-13 23:49:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uarc_virt [2022-07-13 23:49:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uarc_virt [2022-07-13 23:49:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-07-13 23:49:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-07-13 23:49:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-13 23:49:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-13 23:49:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2022-07-13 23:49:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2022-07-13 23:49:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-13 23:49:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-13 23:49:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2022-07-13 23:49:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2022-07-13 23:49:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_cleanup [2022-07-13 23:49:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_cleanup [2022-07-13 23:49:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_device [2022-07-13 23:49:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_device [2022-07-13 23:49:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-13 23:49:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-13 23:49:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2022-07-13 23:49:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2022-07-13 23:49:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_region [2022-07-13 23:49:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_region [2022-07-13 23:49:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-13 23:49:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-13 23:49:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-07-13 23:49:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-07-13 23:49:01,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_pcie_cap [2022-07-13 23:49:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_pcie_cap [2022-07-13 23:49:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CLOSE_IB [2022-07-13 23:49:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CLOSE_IB [2022-07-13 23:49:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure clear_page [2022-07-13 23:49:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_page [2022-07-13 23:49:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_alloc [2022-07-13 23:49:01,303 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_alloc [2022-07-13 23:49:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 23:49:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_init_one [2022-07-13 23:49:01,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_init_one [2022-07-13 23:49:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_create_eq [2022-07-13 23:49:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_create_eq [2022-07-13 23:49:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt [2022-07-13 23:49:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt [2022-07-13 23:49:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm_table [2022-07-13 23:49:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm_table [2022-07-13 23:49:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_catas_cleanup [2022-07-13 23:49:01,305 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_catas_cleanup [2022-07-13 23:49:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure hw_index_to_key [2022-07-13 23:49:01,305 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_index_to_key [2022-07-13 23:49:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-13 23:49:01,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-13 23:49:01,306 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64_raw [2022-07-13 23:49:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64_raw [2022-07-13 23:49:01,306 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-13 23:49:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-13 23:49:01,306 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_use_polling [2022-07-13 23:49:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_use_polling [2022-07-13 23:49:01,306 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-13 23:49:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-13 23:49:01,307 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm_table [2022-07-13 23:49:01,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm_table [2022-07-13 23:49:01,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:49:01,307 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt_range [2022-07-13 23:49:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt_range [2022-07-13 23:49:01,308 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-13 23:49:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-13 23:49:01,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:49:01,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:49:01,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-13 23:49:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-13 23:49:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-13 23:49:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-13 23:49:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-13 23:49:01,310 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_free [2022-07-13 23:49:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_free [2022-07-13 23:49:01,311 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_cleanup [2022-07-13 23:49:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_cleanup [2022-07-13 23:49:01,311 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_eq_req_not [2022-07-13 23:49:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_eq_req_not [2022-07-13 23:49:01,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-13 23:49:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-13 23:49:01,311 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2022-07-13 23:49:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2022-07-13 23:49:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-13 23:49:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-13 23:49:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_cleanup [2022-07-13 23:49:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_cleanup [2022-07-13 23:49:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_eq_table [2022-07-13 23:49:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_eq_table [2022-07-13 23:49:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-13 23:49:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-13 23:49:01,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:49:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:49:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-13 23:49:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-13 23:49:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-13 23:49:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-13 23:49:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:49:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-13 23:49:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-13 23:49:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_av_table [2022-07-13 23:49:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_av_table [2022-07-13 23:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm [2022-07-13 23:49:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm [2022-07-13 23:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_alloc_mtt [2022-07-13 23:49:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_alloc_mtt [2022-07-13 23:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-07-13 23:49:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-07-13 23:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:49:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:49:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:49:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:49:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_is_memfree [2022-07-13 23:49:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_is_memfree [2022-07-13 23:49:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_eq_req_not [2022-07-13 23:49:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_eq_req_not [2022-07-13 23:49:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM [2022-07-13 23:49:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM [2022-07-13 23:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 23:49:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 23:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure set_eqe_hw [2022-07-13 23:49:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure set_eqe_hw [2022-07-13 23:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-13 23:49:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-13 23:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-13 23:49:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-13 23:49:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:49:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-13 23:49:01,347 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-13 23:49:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_update_rate [2022-07-13 23:49:01,347 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_update_rate [2022-07-13 23:49:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:49:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM [2022-07-13 23:49:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM [2022-07-13 23:49:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_init [2022-07-13 23:49:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_init [2022-07-13 23:49:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-13 23:49:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-13 23:49:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-13 23:49:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-13 23:49:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_uar_table [2022-07-13 23:49:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_uar_table [2022-07-13 23:49:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-13 23:49:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-13 23:49:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-13 23:49:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-13 23:49:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_addr [2022-07-13 23:49:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_addr [2022-07-13 23:49:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-13 23:49:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-13 23:49:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-13 23:49:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-13 23:49:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-13 23:49:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-13 23:49:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-13 23:49:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-13 23:49:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mtt [2022-07-13 23:49:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mtt [2022-07-13 23:49:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure go_bit [2022-07-13 23:49:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure go_bit [2022-07-13 23:49:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 23:49:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free [2022-07-13 23:49:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free [2022-07-13 23:49:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-07-13 23:49:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-07-13 23:49:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-13 23:49:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-13 23:49:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:49:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:49:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mthca_device_mutex [2022-07-13 23:49:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mthca_device_mutex [2022-07-13 23:49:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SW2HW_MPT [2022-07-13 23:49:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SW2HW_MPT [2022-07-13 23:49:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_write_word [2022-07-13 23:49:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_write_word [2022-07-13 23:49:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_irqs [2022-07-13 23:49:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_irqs [2022-07-13 23:49:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mr_table [2022-07-13 23:49:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mr_table [2022-07-13 23:49:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2022-07-13 23:49:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2022-07-13 23:49:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_GET [2022-07-13 23:49:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-13 23:49:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-13 23:49:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-07-13 23:49:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-07-13 23:49:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_notrans [2022-07-13 23:49:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_notrans [2022-07-13 23:49:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-07-13 23:49:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-07-13 23:49:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-13 23:49:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-13 23:49:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_put [2022-07-13 23:49:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_put [2022-07-13 23:49:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc [2022-07-13 23:49:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc [2022-07-13 23:49:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64 [2022-07-13 23:49:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64 [2022-07-13 23:49:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-13 23:49:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-13 23:49:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_imm [2022-07-13 23:49:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_imm [2022-07-13 23:49:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mcg_table [2022-07-13 23:49:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mcg_table [2022-07-13 23:49:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_qp_table [2022-07-13 23:49:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_qp_table [2022-07-13 23:49:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-13 23:49:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-13 23:49:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_device [2022-07-13 23:49:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_device [2022-07-13 23:49:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2022-07-13 23:49:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2022-07-13 23:49:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-13 23:49:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-13 23:49:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-13 23:49:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-13 23:49:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_INIT_HCA [2022-07-13 23:49:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_INIT_HCA [2022-07-13 23:49:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_hw_index_to_key [2022-07-13 23:49:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_hw_index_to_key [2022-07-13 23:49:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:49:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:49:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-13 23:49:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-13 23:49:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-13 23:49:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-13 23:49:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_cq_table [2022-07-13 23:49:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_cq_table [2022-07-13 23:49:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_cleanup [2022-07-13 23:49:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_cleanup [2022-07-13 23:49:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-13 23:49:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-13 23:49:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_close_hca [2022-07-13 23:49:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_close_hca [2022-07-13 23:49:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_EQ [2022-07-13 23:49:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_EQ [2022-07-13 23:49:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure down [2022-07-13 23:49:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2022-07-13 23:49:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-13 23:49:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-13 23:49:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAD_IFC [2022-07-13 23:49:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAD_IFC [2022-07-13 23:49:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_cmd [2022-07-13 23:49:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_cmd [2022-07-13 23:49:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-07-13 23:49:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-07-13 23:49:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:49:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-07-13 23:49:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-07-13 23:49:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_eq [2022-07-13 23:49:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_eq [2022-07-13 23:49:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_alloc [2022-07-13 23:49:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_alloc [2022-07-13 23:49:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mailbox [2022-07-13 23:49:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mailbox [2022-07-13 23:49:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-13 23:49:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-13 23:49:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-13 23:49:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-13 23:49:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-13 23:49:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_DISABLE_LAM [2022-07-13 23:49:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_DISABLE_LAM [2022-07-13 23:49:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-13 23:49:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-13 23:49:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-13 23:49:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-07-13 23:49:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-07-13 23:49:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_alloc [2022-07-13 23:49:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_alloc [2022-07-13 23:49:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2022-07-13 23:49:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2022-07-13 23:49:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mthca_device_mutex [2022-07-13 23:49:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mthca_device_mutex [2022-07-13 23:49:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_setup_hca [2022-07-13 23:49:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_setup_hca [2022-07-13 23:49:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-13 23:49:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-13 23:49:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc [2022-07-13 23:49:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc [2022-07-13 23:49:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CONF_SPECIAL_QP [2022-07-13 23:49:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CONF_SPECIAL_QP [2022-07-13 23:49:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_reg [2022-07-13 23:49:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_reg [2022-07-13 23:49:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_check_profile_val [2022-07-13 23:49:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_check_profile_val [2022-07-13 23:49:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2022-07-13 23:49:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2022-07-13 23:49:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_FA [2022-07-13 23:49:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_FA [2022-07-13 23:49:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_free [2022-07-13 23:49:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_free [2022-07-13 23:49:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-07-13 23:49:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-07-13 23:49:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt_size [2022-07-13 23:49:01,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt_size [2022-07-13 23:49:01,371 INFO L130 BoogieDeclarations]: Found specification of procedure dma_get_cache_alignment [2022-07-13 23:49:01,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_get_cache_alignment [2022-07-13 23:49:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mr [2022-07-13 23:49:01,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mr [2022-07-13 23:49:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mailbox [2022-07-13 23:49:01,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mailbox [2022-07-13 23:49:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-13 23:49:01,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-13 23:49:01,372 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-13 23:49:01,372 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-13 23:49:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_dev_lim [2022-07-13 23:49:01,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_dev_lim [2022-07-13 23:49:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2022-07-13 23:49:01,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2022-07-13 23:49:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_hw_index_to_key [2022-07-13 23:49:01,373 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_hw_index_to_key [2022-07-13 23:49:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_QUERY_FW [2022-07-13 23:49:01,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_QUERY_FW [2022-07-13 23:49:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-07-13 23:49:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-07-13 23:49:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-13 23:49:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-13 23:49:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SYS_DIS [2022-07-13 23:49:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SYS_DIS [2022-07-13 23:49:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_init [2022-07-13 23:49:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_init [2022-07-13 23:49:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_box [2022-07-13 23:49:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_box [2022-07-13 23:49:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:49:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-07-13 23:49:01,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-07-13 23:49:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-13 23:49:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-13 23:49:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_make_profile [2022-07-13 23:49:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_make_profile [2022-07-13 23:49:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2022-07-13 23:49:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2022-07-13 23:49:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-13 23:49:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-13 23:49:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unregister_device [2022-07-13 23:49:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unregister_device [2022-07-13 23:49:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_key_to_hw_index [2022-07-13 23:49:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_key_to_hw_index [2022-07-13 23:49:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-07-13 23:49:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-07-13 23:49:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-13 23:49:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-13 23:49:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-13 23:49:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-13 23:49:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-13 23:49:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-13 23:49:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-13 23:49:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-13 23:49:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:49:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_find [2022-07-13 23:49:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_find [2022-07-13 23:49:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm [2022-07-13 23:49:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm [2022-07-13 23:49:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_size [2022-07-13 23:49:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_size [2022-07-13 23:49:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-13 23:49:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-13 23:49:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-13 23:49:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-13 23:49:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_srq_table [2022-07-13 23:49:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_srq_table [2022-07-13 23:49:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_poll [2022-07-13 23:49:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_poll [2022-07-13 23:49:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM_AUX [2022-07-13 23:49:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM_AUX [2022-07-13 23:49:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2022-07-13 23:49:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2022-07-13 23:49:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_wait [2022-07-13 23:49:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_wait [2022-07-13 23:49:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_phys [2022-07-13 23:49:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_phys [2022-07-13 23:49:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2022-07-13 23:49:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2022-07-13 23:49:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-13 23:49:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-13 23:49:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure get_eqe [2022-07-13 23:49:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eqe [2022-07-13 23:49:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure async_mask [2022-07-13 23:49:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mask [2022-07-13 23:49:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_init [2022-07-13 23:49:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_init [2022-07-13 23:49:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_free [2022-07-13 23:49:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_free [2022-07-13 23:49:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd [2022-07-13 23:49:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd [2022-07-13 23:49:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-13 23:49:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-13 23:49:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_get [2022-07-13 23:49:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_get [2022-07-13 23:49:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_remove_one [2022-07-13 23:49:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_remove_one [2022-07-13 23:49:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-13 23:49:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-13 23:49:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_pd_table [2022-07-13 23:49:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_pd_table [2022-07-13 23:49:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure init_query_mad [2022-07-13 23:49:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure init_query_mad [2022-07-13 23:49:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-07-13 23:49:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-07-13 23:49:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-07-13 23:49:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-07-13 23:49:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_post [2022-07-13 23:49:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_post [2022-07-13 23:49:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-13 23:49:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-13 23:49:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-13 23:49:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-13 23:49:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 23:49:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_regs [2022-07-13 23:49:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_regs [2022-07-13 23:49:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_PUT [2022-07-13 23:49:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt [2022-07-13 23:49:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt [2022-07-13 23:49:02,856 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:49:02,860 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:49:39,915 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:49:39,948 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:49:39,949 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 23:49:39,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:49:39 BoogieIcfgContainer [2022-07-13 23:49:39,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:49:39,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:49:39,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:49:39,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:49:39,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:48:46" (1/3) ... [2022-07-13 23:49:39,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1280e5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:49:39, skipping insertion in model container [2022-07-13 23:49:39,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:48:59" (2/3) ... [2022-07-13 23:49:39,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1280e5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:49:39, skipping insertion in model container [2022-07-13 23:49:39,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:49:39" (3/3) ... [2022-07-13 23:49:39,964 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-07-13 23:49:39,977 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:49:39,977 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:49:40,273 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:49:40,280 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@a35d2f1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@490f9436 [2022-07-13 23:49:40,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:49:40,297 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) [2022-07-13 23:49:40,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-13 23:49:40,307 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:40,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:49:40,308 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:40,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:40,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1106398898, now seen corresponding path program 1 times [2022-07-13 23:49:40,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:40,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509884233] [2022-07-13 23:49:40,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:40,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:40,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:49:40,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:40,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509884233] [2022-07-13 23:49:40,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509884233] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:40,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:49:40,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:49:40,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821144024] [2022-07-13 23:49:40,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:40,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:49:40,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:40,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:49:40,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:49:40,995 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) [2022-07-13 23:49:41,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:41,483 INFO L93 Difference]: Finished difference Result 10153 states and 15210 transitions. [2022-07-13 23:49:41,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:49:41,488 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 [2022-07-13 23:49:41,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:41,537 INFO L225 Difference]: With dead ends: 10153 [2022-07-13 23:49:41,538 INFO L226 Difference]: Without dead ends: 5113 [2022-07-13 23:49:41,582 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 [2022-07-13 23:49:41,585 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 [2022-07-13 23:49:41,586 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] [2022-07-13 23:49:41,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5113 states. [2022-07-13 23:49:41,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5113 to 5083. [2022-07-13 23:49:41,835 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) [2022-07-13 23:49:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 7438 transitions. [2022-07-13 23:49:41,875 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 7438 transitions. Word has length 18 [2022-07-13 23:49:41,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:41,876 INFO L495 AbstractCegarLoop]: Abstraction has 5083 states and 7438 transitions. [2022-07-13 23:49:41,876 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) [2022-07-13 23:49:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 7438 transitions. [2022-07-13 23:49:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-13 23:49:41,878 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:41,878 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] [2022-07-13 23:49:41,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 23:49:41,879 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:41,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:41,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1003916877, now seen corresponding path program 1 times [2022-07-13 23:49:41,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:41,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765965551] [2022-07-13 23:49:41,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:41,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 23:49:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:49:42,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:42,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765965551] [2022-07-13 23:49:42,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765965551] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:42,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:49:42,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:49:42,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996111020] [2022-07-13 23:49:42,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:42,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:49:42,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:42,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:49:42,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:49:42,194 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) [2022-07-13 23:49:42,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:49:42,668 INFO L93 Difference]: Finished difference Result 15129 states and 22144 transitions. [2022-07-13 23:49:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:49:42,669 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 [2022-07-13 23:49:42,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:49:42,744 INFO L225 Difference]: With dead ends: 15129 [2022-07-13 23:49:42,745 INFO L226 Difference]: Without dead ends: 10049 [2022-07-13 23:49:42,774 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 [2022-07-13 23:49:42,776 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 [2022-07-13 23:49:42,776 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] [2022-07-13 23:49:42,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10049 states. [2022-07-13 23:49:43,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10049 to 10035. [2022-07-13 23:49:43,463 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) [2022-07-13 23:49:43,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10035 states to 10035 states and 14690 transitions. [2022-07-13 23:49:43,525 INFO L78 Accepts]: Start accepts. Automaton has 10035 states and 14690 transitions. Word has length 21 [2022-07-13 23:49:43,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:49:43,525 INFO L495 AbstractCegarLoop]: Abstraction has 10035 states and 14690 transitions. [2022-07-13 23:49:43,526 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) [2022-07-13 23:49:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 10035 states and 14690 transitions. [2022-07-13 23:49:43,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-13 23:49:43,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:49:43,531 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] [2022-07-13 23:49:43,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 23:49:43,532 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:49:43,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:49:43,532 INFO L85 PathProgramCache]: Analyzing trace with hash -172954937, now seen corresponding path program 1 times [2022-07-13 23:49:43,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:49:43,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912752134] [2022-07-13 23:49:43,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:49:43,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:49:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 23:49:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:44,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:49:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:44,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 23:49:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:44,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 23:49:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:44,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:49:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 23:49:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:44,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-13 23:49:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-13 23:49:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:44,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 23:49:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:49:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:49:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-13 23:49:44,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:49:44,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912752134] [2022-07-13 23:49:44,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912752134] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:49:44,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:49:44,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:49:44,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26024133] [2022-07-13 23:49:44,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:49:44,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:49:44,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:49:44,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:49:44,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:49:44,316 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) [2022-07-13 23:49:47,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:49:49,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:49:54,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:00,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:50:03,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:10,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:11,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:50:11,389 INFO L93 Difference]: Finished difference Result 21126 states and 31078 transitions. [2022-07-13 23:50:11,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:50:11,393 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 [2022-07-13 23:50:11,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:50:11,468 INFO L225 Difference]: With dead ends: 21126 [2022-07-13 23:50:11,469 INFO L226 Difference]: Without dead ends: 11094 [2022-07-13 23:50:11,511 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 [2022-07-13 23:50:11,512 INFO L413 NwaCegarLoop]: 6913 mSDtfsCounter, 7404 mSDsluCounter, 3243 mSDsCounter, 0 mSdLazyCounter, 2753 mSolverCounterSat, 2279 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8240 SdHoareTripleChecker+Valid, 10156 SdHoareTripleChecker+Invalid, 5038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2279 IncrementalHoareTripleChecker+Valid, 2753 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-07-13 23:50:11,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8240 Valid, 10156 Invalid, 5038 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2279 Valid, 2753 Invalid, 6 Unknown, 0 Unchecked, 26.3s Time] [2022-07-13 23:50:11,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11094 states. [2022-07-13 23:50:12,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11094 to 10192. [2022-07-13 23:50:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10192 states, 7318 states have (on average 1.3701831101393824) internal successors, (10027), 7436 states have internal predecessors, (10027), 2419 states have call successors, (2419), 455 states have call predecessors, (2419), 454 states have return successors, (2400), 2398 states have call predecessors, (2400), 2400 states have call successors, (2400) [2022-07-13 23:50:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10192 states to 10192 states and 14846 transitions. [2022-07-13 23:50:12,101 INFO L78 Accepts]: Start accepts. Automaton has 10192 states and 14846 transitions. Word has length 91 [2022-07-13 23:50:12,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:50:12,103 INFO L495 AbstractCegarLoop]: Abstraction has 10192 states and 14846 transitions. [2022-07-13 23:50:12,103 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) [2022-07-13 23:50:12,104 INFO L276 IsEmpty]: Start isEmpty. Operand 10192 states and 14846 transitions. [2022-07-13 23:50:12,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-13 23:50:12,108 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:50:12,108 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] [2022-07-13 23:50:12,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 23:50:12,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:50:12,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:50:12,109 INFO L85 PathProgramCache]: Analyzing trace with hash 45899781, now seen corresponding path program 1 times [2022-07-13 23:50:12,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:50:12,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730486712] [2022-07-13 23:50:12,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:50:12,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:50:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:12,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 23:50:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:12,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:50:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:12,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 23:50:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 23:50:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 23:50:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:12,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-13 23:50:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:12,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-13 23:50:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 23:50:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:50:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:12,544 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-13 23:50:12,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:50:12,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730486712] [2022-07-13 23:50:12,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730486712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:50:12,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:50:12,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:50:12,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712923057] [2022-07-13 23:50:12,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:50:12,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:50:12,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:50:12,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:50:12,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:50:12,550 INFO L87 Difference]: Start difference. First operand 10192 states and 14846 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) [2022-07-13 23:50:15,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:18,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:20,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:25,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:31,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:35,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:50:37,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:45,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:46,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:50:46,100 INFO L93 Difference]: Finished difference Result 12304 states and 17918 transitions. [2022-07-13 23:50:46,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:50:46,102 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 [2022-07-13 23:50:46,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:50:46,162 INFO L225 Difference]: With dead ends: 12304 [2022-07-13 23:50:46,162 INFO L226 Difference]: Without dead ends: 12275 [2022-07-13 23:50:46,172 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 [2022-07-13 23:50:46,173 INFO L413 NwaCegarLoop]: 7071 mSDtfsCounter, 7652 mSDsluCounter, 3586 mSDsCounter, 0 mSdLazyCounter, 3348 mSolverCounterSat, 2384 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8586 SdHoareTripleChecker+Valid, 10657 SdHoareTripleChecker+Invalid, 5740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2384 IncrementalHoareTripleChecker+Valid, 3348 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2022-07-13 23:50:46,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8586 Valid, 10657 Invalid, 5740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2384 Valid, 3348 Invalid, 8 Unknown, 0 Unchecked, 32.8s Time] [2022-07-13 23:50:46,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12275 states. [2022-07-13 23:50:46,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12275 to 11294. [2022-07-13 23:50:46,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11294 states, 8038 states have (on average 1.3543169942771833) internal successors, (10886), 8170 states have internal predecessors, (10886), 2683 states have call successors, (2683), 573 states have call predecessors, (2683), 572 states have return successors, (2664), 2662 states have call predecessors, (2664), 2664 states have call successors, (2664) [2022-07-13 23:50:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11294 states to 11294 states and 16233 transitions. [2022-07-13 23:50:46,714 INFO L78 Accepts]: Start accepts. Automaton has 11294 states and 16233 transitions. Word has length 91 [2022-07-13 23:50:46,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:50:46,715 INFO L495 AbstractCegarLoop]: Abstraction has 11294 states and 16233 transitions. [2022-07-13 23:50:46,715 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) [2022-07-13 23:50:46,715 INFO L276 IsEmpty]: Start isEmpty. Operand 11294 states and 16233 transitions. [2022-07-13 23:50:46,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-13 23:50:46,716 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:50:46,716 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] [2022-07-13 23:50:46,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 23:50:46,717 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:50:46,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:50:46,717 INFO L85 PathProgramCache]: Analyzing trace with hash 103158083, now seen corresponding path program 1 times [2022-07-13 23:50:46,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:50:46,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37109750] [2022-07-13 23:50:46,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:50:46,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:50:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:47,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 23:50:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:50:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:47,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 23:50:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:47,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 23:50:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:50:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:47,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 23:50:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-13 23:50:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-13 23:50:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:47,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 23:50:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:47,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:50:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:50:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-13 23:50:47,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:50:47,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37109750] [2022-07-13 23:50:47,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37109750] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:50:47,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:50:47,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:50:47,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693956093] [2022-07-13 23:50:47,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:50:47,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:50:47,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:50:47,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:50:47,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:50:47,308 INFO L87 Difference]: Start difference. First operand 11294 states and 16233 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) [2022-07-13 23:50:50,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:52,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:55,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:50:59,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:06,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:10,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:51:18,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:21,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:21,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:51:21,752 INFO L93 Difference]: Finished difference Result 12250 states and 17839 transitions. [2022-07-13 23:51:21,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:51:21,755 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 [2022-07-13 23:51:21,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:51:21,812 INFO L225 Difference]: With dead ends: 12250 [2022-07-13 23:51:21,813 INFO L226 Difference]: Without dead ends: 12247 [2022-07-13 23:51:21,823 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 [2022-07-13 23:51:21,825 INFO L413 NwaCegarLoop]: 7019 mSDtfsCounter, 7635 mSDsluCounter, 3522 mSDsCounter, 0 mSdLazyCounter, 3346 mSolverCounterSat, 2383 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8567 SdHoareTripleChecker+Valid, 10541 SdHoareTripleChecker+Invalid, 5737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2383 IncrementalHoareTripleChecker+Valid, 3346 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2022-07-13 23:51:21,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8567 Valid, 10541 Invalid, 5737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2383 Valid, 3346 Invalid, 8 Unknown, 0 Unchecked, 33.8s Time] [2022-07-13 23:51:21,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12247 states. [2022-07-13 23:51:22,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12247 to 11293. [2022-07-13 23:51:22,374 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) [2022-07-13 23:51:22,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11293 states to 11293 states and 16231 transitions. [2022-07-13 23:51:22,430 INFO L78 Accepts]: Start accepts. Automaton has 11293 states and 16231 transitions. Word has length 91 [2022-07-13 23:51:22,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:51:22,431 INFO L495 AbstractCegarLoop]: Abstraction has 11293 states and 16231 transitions. [2022-07-13 23:51:22,431 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) [2022-07-13 23:51:22,431 INFO L276 IsEmpty]: Start isEmpty. Operand 11293 states and 16231 transitions. [2022-07-13 23:51:22,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-13 23:51:22,437 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:51:22,437 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] [2022-07-13 23:51:22,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 23:51:22,438 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:51:22,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:51:22,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1099147578, now seen corresponding path program 1 times [2022-07-13 23:51:22,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:51:22,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213260781] [2022-07-13 23:51:22,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:51:22,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:51:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:22,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 23:51:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:22,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:51:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:22,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 23:51:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 23:51:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:22,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:51:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:22,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 23:51:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:22,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-13 23:51:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:22,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-13 23:51:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:22,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 23:51:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:22,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:51:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-13 23:51:22,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:51:22,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213260781] [2022-07-13 23:51:22,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213260781] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:51:22,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:51:22,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:51:22,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600903418] [2022-07-13 23:51:22,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:51:22,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:51:22,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:51:22,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:51:22,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:51:22,905 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) [2022-07-13 23:51:26,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:28,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:32,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:36,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:40,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:51:42,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:49,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:52,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:54,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:51:54,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:51:54,382 INFO L93 Difference]: Finished difference Result 12259 states and 17859 transitions. [2022-07-13 23:51:54,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:51:54,384 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 [2022-07-13 23:51:54,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:51:54,437 INFO L225 Difference]: With dead ends: 12259 [2022-07-13 23:51:54,437 INFO L226 Difference]: Without dead ends: 12256 [2022-07-13 23:51:54,447 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 [2022-07-13 23:51:54,449 INFO L413 NwaCegarLoop]: 6888 mSDtfsCounter, 7401 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 2745 mSolverCounterSat, 2292 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8233 SdHoareTripleChecker+Valid, 10133 SdHoareTripleChecker+Invalid, 5046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2292 IncrementalHoareTripleChecker+Valid, 2745 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2022-07-13 23:51:54,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8233 Valid, 10133 Invalid, 5046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2292 Valid, 2745 Invalid, 9 Unknown, 0 Unchecked, 30.9s Time] [2022-07-13 23:51:54,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12256 states. [2022-07-13 23:51:54,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12256 to 11292. [2022-07-13 23:51:54,992 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) [2022-07-13 23:51:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11292 states to 11292 states and 16229 transitions. [2022-07-13 23:51:55,045 INFO L78 Accepts]: Start accepts. Automaton has 11292 states and 16229 transitions. Word has length 92 [2022-07-13 23:51:55,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:51:55,046 INFO L495 AbstractCegarLoop]: Abstraction has 11292 states and 16229 transitions. [2022-07-13 23:51:55,047 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) [2022-07-13 23:51:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 11292 states and 16229 transitions. [2022-07-13 23:51:55,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-13 23:51:55,048 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:51:55,048 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] [2022-07-13 23:51:55,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 23:51:55,048 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:51:55,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:51:55,049 INFO L85 PathProgramCache]: Analyzing trace with hash 284087462, now seen corresponding path program 1 times [2022-07-13 23:51:55,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:51:55,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441169330] [2022-07-13 23:51:55,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:51:55,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:51:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:55,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 23:51:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:55,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:51:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 23:51:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 23:51:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:51:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 23:51:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-13 23:51:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:55,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-13 23:51:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 23:51:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:51:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:51:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-13 23:51:55,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:51:55,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441169330] [2022-07-13 23:51:55,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441169330] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:51:55,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:51:55,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:51:55,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395539049] [2022-07-13 23:51:55,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:51:55,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:51:55,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:51:55,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:51:55,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:51:55,435 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) [2022-07-13 23:51:59,015 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 [] [2022-07-13 23:52:01,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:52:05,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:52:11,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-13 23:52:13,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:52:21,448 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 [] [2022-07-13 23:52:21,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:52:21,650 INFO L93 Difference]: Finished difference Result 12438 states and 18067 transitions. [2022-07-13 23:52:21,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:52:21,652 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 [2022-07-13 23:52:21,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:52:21,714 INFO L225 Difference]: With dead ends: 12438 [2022-07-13 23:52:21,714 INFO L226 Difference]: Without dead ends: 12434 [2022-07-13 23:52:21,726 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 [2022-07-13 23:52:21,728 INFO L413 NwaCegarLoop]: 6929 mSDtfsCounter, 7434 mSDsluCounter, 3170 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 2293 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8247 SdHoareTripleChecker+Valid, 10099 SdHoareTripleChecker+Invalid, 5089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2293 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-07-13 23:52:21,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8247 Valid, 10099 Invalid, 5089 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2293 Valid, 2790 Invalid, 6 Unknown, 0 Unchecked, 25.6s Time] [2022-07-13 23:52:21,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12434 states. [2022-07-13 23:52:22,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12434 to 11404. [2022-07-13 23:52:22,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11404 states, 8122 states have (on average 1.352253139620783) internal successors, (10983), 8250 states have internal predecessors, (10983), 2683 states have call successors, (2683), 599 states have call predecessors, (2683), 598 states have return successors, (2668), 2666 states have call predecessors, (2668), 2668 states have call successors, (2668) [2022-07-13 23:52:22,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11404 states to 11404 states and 16334 transitions. [2022-07-13 23:52:22,276 INFO L78 Accepts]: Start accepts. Automaton has 11404 states and 16334 transitions. Word has length 93 [2022-07-13 23:52:22,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:52:22,276 INFO L495 AbstractCegarLoop]: Abstraction has 11404 states and 16334 transitions. [2022-07-13 23:52:22,276 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) [2022-07-13 23:52:22,277 INFO L276 IsEmpty]: Start isEmpty. Operand 11404 states and 16334 transitions. [2022-07-13 23:52:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-13 23:52:22,277 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:52:22,278 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] [2022-07-13 23:52:22,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 23:52:22,278 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:52:22,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:52:22,279 INFO L85 PathProgramCache]: Analyzing trace with hash 214705609, now seen corresponding path program 1 times [2022-07-13 23:52:22,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:52:22,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504072864] [2022-07-13 23:52:22,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:52:22,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:52:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 23:52:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:22,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 23:52:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:22,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 23:52:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 23:52:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:22,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:52:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:22,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 23:52:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-13 23:52:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-13 23:52:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:22,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 23:52:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 23:52:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:22,753 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-07-13 23:52:22,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:52:22,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504072864] [2022-07-13 23:52:22,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504072864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:52:22,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:52:22,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:52:22,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659745068] [2022-07-13 23:52:22,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:52:22,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:52:22,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:52:22,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:52:22,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:52:22,755 INFO L87 Difference]: Start difference. First operand 11404 states and 16334 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-07-13 23:52:26,027 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 [] [2022-07-13 23:52:28,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:52:30,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:52:33,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:52:37,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:52:41,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []